Hematology-Oncology Fellowship: ERAS Timeline, Match & Prep

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Hematology and Medical Oncology is an ERAS July Application Cycle specialty with 194 participating programs out of 200 listed in the AAMC ERAS directory for the 2027 cycle. A combined fellowship typically runs 3 years after an Internal Medicine residency per the NRMP. You can submit your MyERAS application starting July 1, 2026 at 9 a.m. ET, programs begin reviewing files on July 15, 2026, and the NRMP Medicine and Pediatric Specialties Match ends on Match Day, DEC 02 at 12:00 PM ET. Sources: AAMC ERAS 2027 Participating Specialties & Programs: Hematology and Medical Oncology, AAMC 2027 ERAS Fellowship Application Timeline, AAMC Apply to Fellowships with the ERAS System. Last checked November 3, 2026.

What is a hematology-oncology fellowship and how many programs participate?

According to the National Resident Matching Program (NRMP), a combined Hematology/Oncology fellowship trains physicians in the diagnosis, treatment, and prevention of disorders of the blood, bone marrow, immunologic, and hemostatic or vascular systems, alongside all forms of cancer and its therapy. To enter the fellowship, you must first complete a residency in Internal Medicine and meet all Graduate Medical Education (GME) entry requirements set by the Accreditation Council for Graduate Medical Education (ACGME) and the sponsoring institution.

Per the NRMP Medicine and Pediatric Specialties Match directory, a combined Hematology/Oncology fellowship typically lasts 3 years. Standalone Hematology fellowships and standalone Oncology fellowships each have a typical length of 2 years after an Internal Medicine residency. Pediatric Hematology/Oncology is a separate 3-year fellowship in the same NRMP match for applicants who completed a Pediatrics or Medicine/Pediatrics residency. The ACGME sets separate subspecialty program requirements for Hematology and Medical Oncology, standalone Hematology, and standalone Medical Oncology, with current editions effective July 1, 2026.

For the 2027 Electronic Residency Application Service (ERAS) cycle, the AAMC ERAS directory lists 200 Hematology and Medical Oncology (Internal Medicine) programs in total. Of those 200 programs, 194 are participating in ERAS, 1 is listed as unregistered, 2 are not participating, and 3 are no longer accepting applications. By our calculation from the AAMC ERAS 2027 directory, 97% of listed Hematology and Medical Oncology programs (194 of 200) accept applications through ERAS this cycle.

To practice for your interviews out loud, Confetto is an AI mock interviewer for residency and fellowship applicants that runs specialty interviews with follow-up questions on your own experiences and research. Start your free week on our residency interview practice page.

2026-2027 ERAS hematology-oncology fellowship timeline and program signaling

Hematology and Medical Oncology is a July Application Cycle specialty in ERAS. Your application opens in early June and goes to programs in mid-July of your PGY-2 to PGY-3 transition summer. If you are comparing fellowship dates with the fall residency schedule, see our ERAS application and timeline guide.

The AAMC's 2027 ERAS Fellowship Application Timeline sets exact timestamps for every step. The 2027 ERAS season begins on June 4, 2026 at 9 a.m. ET, and the ERAS Fellowship Documents Office (EFDO) distributes tokens to fellowship applicants on June 5, 2026. July cycle fellowship applicants may begin submitting applications to programs on July 1, 2026 at 9 a.m. ET. Programs can begin reviewing July cycle applications on July 15, 2026 at 9 a.m. ET, which gives you a 14-day window before program directors open their first batch of files. The 2027 ERAS season ends on May 31, 2027 at 5 p.m. ET.

For the 2027 ERAS recruitment season, Hematology and Medical Oncology (Internal Medicine) programs may choose to participate in program signaling. According to the AAMC ERAS directory, applicants to participating Hematology and Medical Oncology programs can use 20 signals in total: 5 gold signals and 15 silver signals. Check each program's website and its status in the MyERAS portal before assigning your signals so you do not use one on a program that has opted out.

Once you click submit on the final screen of the MyERAS certify and submit process, your application is permanently and irrevocably locked. You cannot change or update any section after submission except the Personal Information section. MyERAS does not include a spell or grammar check feature, so read the PDF preview (displayed in APA format under View/Print MyERAS Application) before you lock the form.

NRMP Medicine and Pediatric Specialties Match dates (July 2027 appointments0

Registering with ERAS does not register you for the Match. ERAS and the NRMP are separate entities, and you must register separately in the NRMP Registration, Ranking, and Results (R3) system after applications are submitted and interviews are underway.

Hematology/Oncology participates in the NRMP's combined Medicine and Pediatric Specialties Match, which is the largest fellowship match in the Specialties Matching Service (SMS) and covers more than 30 subspecialties across Internal Medicine, Pediatrics, Addiction, and Multidisciplinary training. You can rank combined Hematology/Oncology programs, standalone Hematology programs, standalone Oncology programs, or other participating subspecialties on the same rank order list, and you can participate in the combined Match as a couple. For another internal medicine subspecialty, see our interventional cardiology fellowship page.

For July 2027 appointments in the NRMP Medicine and Pediatric Specialties Match, the Match opens on AUG 26 at 12:00 PM ET and Ranking opens on SEP 30 at 12:00 PM ET. The Quota Change Deadline is OCT 28 at 11:59 PM ET, the Rank Order List Certification Deadline is NOV 18 at 09:00 PM ET, and Match Day is DEC 02 at 12:00 PM ET.

ID numbers required for NRMP registration: U.S. MD graduates must enter a USMLE ID. International medical school graduates (IMGs) must enter an ECFMG ID (entering a USMLE ID is optional and is the same number). U.S. DO graduates must enter both an AOA ID and an NBOME ID.
AAMC ID link: Entering your AAMC ID during NRMP registration is recommended so programs can find you in the R3 system. Once you get your NRMP ID, log back into MyERAS and add it to your Personal Information profile.
Use a personal email: The NRMP advises using a personal email address in the R3 system because residency institutional email accounts may be disabled at graduation.

MyERAS documents, EFDO rules, Letters of Recommendation and fees

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Every fellowship applicant uses one standard MyERAS application form that goes to every program you select. You cannot customize the application body for individual programs, but you can customize your submission by assigning specific Personal Statements and Letters of Recommendation (LoRs) to each program.

The ERAS Fellowship Documents Office (EFDO) serves as the Designated Dean's Office for all fellowship applicants, whether you graduated from a U.S. or international medical school. The EFDO does not accept paper documents sent by mail or courier. Instead, you manage uploads and medical school document requests through EFDO Online Services via a unique link on the Additional Documents page inside MyERAS.

If you certified and submitted an application in a prior ERAS season up to 7 years prior, you can import your prior application data and associated Letters of Recommendation into the 2027 season. While the AAMC supports Chrome, Firefox, Edge, and Safari for most services, the Program Director's Workstation (PDWS) does not fully support Safari, and AAMC recommends Mac users work in Firefox or Chrome.

Letters of Recommendation (LoRs): You can assign up to 4 LoRs to each program. Confirm each LoR entry in MyERAS to generate a Letter ID, which your writer uses to upload the letter through the ERAS Letter of Recommendation Portal (LoRP).
Personal Statements: You can create an unlimited number of personal statements, but you may assign only 1 personal statement to each program. Personal statements must be in plain text only (no HTML, bold, italics, underline, color, or special alignment), drafted in Notepad (Windows) or TextEdit (Mac).
Application Photo: Uploaded in EFDO Online Services. The file must not exceed 2.5 by 3.5 inches or 100kb.
MSPE and Medical School Transcript: The EFDO uploads your Medical School Performance Evaluation (MSPE) and Medical School (MS) transcript after you request them through EFDO Online Services. You must still assign both documents to your chosen programs in MyERAS.
USMLE and COMLEX-USA Transcripts: The NBME, NBOME, or ECFMG charges a one-time fee of $80 to transmit your USMLE or COMLEX-USA transcript to designated programs after you authorize release and assign it in MyERAS.
ECFMG Status Report (IMGs only): Uploaded directly to ERAS by the ECFMG to confirm the month and year examinations were passed for certification. It does not include your USMLE transcript.
Application Fees: ERAS fellowship application fees are based on the number of programs you apply to. MyERAS calculates the total automatically and accepts Visa, MasterCard, American Express, and Discover.

What programs weigh and how research funding works in fellowship

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According to the AAMC's MyERAS and Interview Preparation guides, programs first review your MyERAS application and supporting documents to determine if you meet their eligibility criteria. Program staff then select a subset of applicants to interview so they can evaluate the person behind the application and see how your values and goals align with the program's mission.

One benchmark for academic career development during fellowship is the American Society of Clinical Oncology (ASCO) Conquer Cancer Young Investigator Award (YIA). Understanding how the YIA works helps you speak concretely in interviews about how you would fund and structure your upper-level fellowship research.

Grant amount and purpose: The ASCO Conquer Cancer YIA is a one-year mentored research grant totaling $50,000 that supports personnel, research expenses, and travel to the Conquer Cancer Grants & Awards Ceremony at the ASCO Annual Meeting during the transition from fellowship to a faculty appointment.
When you apply: Eligible applicants include physicians (MD, DO, or international equivalent) within the last 2 years of their final accredited oncology subspecialty training (including hematology-oncology or medical oncology fellowship) or within the first year of an initial full-time academic faculty appointment, and within 10 years of obtaining their medical degree.
Protected time requirement: YIA recipients must commit at least 60% of their total time to research during the one-year award period and work with a mentor from the sponsoring institution.
2027 dedicated funding areas: Alongside its general competition for all areas of cancer research, Conquer Cancer lists dedicated donor funding for 2027 (as of July 1, 2026) in ALK-related cancers, breast cancers, colon cancer, genomics, therapeutics, pancreatic cancer, pediatric cancers, prostate cancer, sarcoma, and Northern California-based researchers.

The hematology-oncology fellowship interview day and questions to practice

Per the NRMP, fellowship interview dates and formats are set by individual programs rather than centralized by the Match. Because July cycle programs begin reviewing ERAS applications on July 15, 2026 and the NRMP Rank Order List Certification Deadline is NOV 18 at 09:00 PM ET, interviews take place between mid-July and mid-November.

Check your invitation email and each program's website for your exact interview schedule. For more subspecialty prompts, read our fellowship interview questions guide, or review behavioral structures in residency interview questions and example answers. Our team wrote the practice questions and sample answers below to match the clinical, research, and career-fit topics that come up in hematology-oncology interviews.

Sample Question 1: Why hematology-oncology, and how do you plan to use the research and scholarly time in the second and third years of our fellowship?

"I came into Internal Medicine residency thinking I would be a hospitalist, and my inpatient oncology rotation in early PGY-2 changed my mind. I cared for a 54-year-old man with newly diagnosed diffuse large B-cell lymphoma who developed tumor lysis syndrome on his second night. What stayed with me was not only managing his acute lab derangements in the hospital, but following him into my mentor's outpatient clinic three months later when his interim scan showed a complete response. No other subspecialty combines that level of inpatient physiology with multi-year outpatient continuity and clinical trials that change the standard of care inside a single training cycle. In my second and third years here, I want to focus on clinical outcomes research in lymphoid malignancies. During residency I built a retrospective database of 140 older patients treated with immunochemotherapy to look at dose reductions and hospitalization rates. In fellowship, I want to pair that clinical dataset experience with formal clinical trial protocol training under a lymphoma mentor, and apply for an ASCO Conquer Cancer Young Investigator Award to support my protected 60% research time during my final year." (Example answer written by our team. The applicant is invented.)

Sample Question 2: Walk me through a research project on your MyERAS application. What was your exact role, what went wrong, and what is the next question it raises?

"On my MyERAS application, the project I led from start to finish was a retrospective study of venous thromboembolism rates in hospitalized patients with gastrointestinal malignancies at our county hospital. My role was writing the IRB protocol, defining the inclusion criteria with my hematology mentor, and abstracting chart data for 210 patients over two years. About halfway through data collection, we realized that outpatient anticoagulation prescriptions filled at outside pharmacies were not captured in our main medication administration record, which made our initial recurrence numbers look artificially high. I went back through the hematology clinic notes and discharge summaries to verify every outpatient prescription manually, and we added a sensitivity analysis to account for patients lost to follow-up. We found that patients with gastric and pancreatic tumors had nearly double the inpatient thrombosis rate of colorectal patients despite standard prophylaxis. That raised the question I want to study in fellowship: how we can use clinical and laboratory risk scores at admission to identify which patients need outpatient thromboprophylaxis at discharge." (Example answer written by our team. The applicant is invented.)

Why hematology-oncology, and how do you see the balance between classical hematology, malignant hematology, and solid tumor oncology in your career?
Walk me through a research project on your MyERAS application. What was your exact role, what went wrong, and what is the next question it raises?
How would you use your protected scholarly time in the second and third years of fellowship here?
Tell me about a difficult goals-of-care conversation you led during your Internal Medicine residency. What did you say, and what did you learn?
Where do you see yourself 5 years after fellowship, and why does our program's structure fit that goal?
Tell me about a complicated inpatient consult or ICU patient with a hematologic or oncologic emergency that you helped manage.
If you are considering an academic career, what mentorship and grant mechanisms (such as an ASCO Young Investigator Award) would you want to pursue during fellowship?
What questions do you have for us about our continuity clinic, call structure, or mentorship?

Month-by-month checklist for the 2026-2027 application and match cycle

This checklist is our team's step-by-step plan built around the official AAMC ERAS and NRMP Medicine and Pediatric Specialties Match dates for July 2027 appointments. To rehearse your interview answers out loud between rotations, Confetto runs AI mock interviews with realistic follow-up questions and rubric-based feedback. Start your free week on our residency interview practice page.

Starting June 4, 2026: The 2027 ERAS season opens June 4 at 9 a.m. ET, and the EFDO releases tokens June 5. Open EFDO Online Services in MyERAS, request your MSPE and medical school transcript, upload a photo under 2.5 by 3.5 inches and 100kb, confirm up to 4 LoR entries per program, draft your plain-text personal statement, and pick the programs for your 5 gold and 15 silver signals.
Starting July 1, 2026: Applicant submission opens July 1 at 9 a.m. ET. Proofread your PDF application in APA view, certify and submit MyERAS, pay the $80 USMLE or COMLEX-USA transcript fee, and assign up to 4 LoRs and 1 personal statement to each program before July 15.
July 15 to AUG 26: Programs begin reviewing applications July 15 at 9 a.m. ET. Reply promptly to interview invitations. When the NRMP Match opens AUG 26 at 12:00 PM ET, register in the R3 system with a personal email address and your required exam ID, then add your new NRMP ID to your MyERAS Personal Information profile.
SEP 30 to DEC 02: NRMP Ranking opens SEP 30 at 12:00 PM ET, and the Quota Change Deadline is OCT 28 at 11:59 PM ET. Certify your final Rank Order List before NOV 18 at 09:00 PM ET. Match Day results are released DEC 02 at 12:00 PM ET.

Practice question

Why hematology-oncology, and how do you plan to use the research and scholarly time in the second and third years of our fellowship?

See an example answer

I came into Internal Medicine residency thinking I would be a hospitalist, and my inpatient oncology rotation in early PGY-2 changed my mind. I cared for a 54-year-old man with newly diagnosed diffuse large B-cell lymphoma who developed tumor lysis syndrome on his second night. What stayed with me was not only managing his acute lab derangements in the hospital, but following him into my mentor's outpatient clinic three months later when his interim scan showed a complete response. No other subspecialty combines that level of inpatient physiology with multi-year outpatient continuity and clinical trials that change the standard of care inside a single training cycle. In my second and third years here, I want to focus on clinical outcomes research in lymphoid malignancies. During residency I built a retrospective database of 140 older patients treated with immunochemotherapy to look at dose reductions and hospitalization rates. In fellowship, I want to pair that clinical dataset experience with formal clinical trial protocol training under a lymphoma mentor, and apply for an ASCO Conquer Cancer Young Investigator Award to support my protected 60% research time during my final year.

Example answer written by our team. The applicant is invented. This answer works because it names one specific patient transition from inpatient to outpatient care rather than offering generic praise for oncology, connects past residency work (a 140-patient retrospective dataset) to a specific next skill in fellowship (clinical trial protocol design), and names a real grant mechanism (the ASCO Conquer Cancer Young Investigator Award and its 60% research commitment) that proves the applicant knows how upper-level fellowship years work.

Frequently asked questions

When can I submit my ERAS application for a hematology-oncology fellowship?

Hematology and Medical Oncology is an ERAS July Application Cycle specialty. For the 2027 season, the EFDO distributes tokens on June 5, 2026, you can begin submitting applications on July 1, 2026 at 9 a.m. ET, and programs begin reviewing applications on July 15, 2026 at 9 a.m. ET.

How many program signals do hematology-oncology fellowship applicants get in ERAS?

For the 2027 ERAS cycle, applicants to participating Hematology and Medical Oncology (Internal Medicine) programs can use 20 signals in total: 5 gold signals and 15 silver signals.

When is Match Day for the hematology-oncology fellowship?

Hematology/Oncology participates in the NRMP Medicine and Pediatric Specialties Match. For July 2027 appointments, the Match opens on AUG 26 at 12:00 PM ET, Rank Order List Certification closes on NOV 18 at 09:00 PM ET, and Match Day is DEC 02 at 12:00 PM ET.

How long is a hematology-oncology fellowship?

According to the NRMP, a combined Hematology/Oncology fellowship is typically 3 years in length after you complete an Internal Medicine residency. Standalone Hematology fellowships and standalone Oncology fellowships are each typically 2 years in length.

How many Letters of Recommendation can I assign to each hematology-oncology program in MyERAS?

You can assign up to 4 Letters of Recommendation (LoRs) and 1 plain-text personal statement to each fellowship program in MyERAS. You can create an unlimited number of personal statements and LoR entries in your account, then assign specific ones to each program.