William Rafelson, M.D.
Hematology & Oncology Physician · Morristown, NJ
William Rafelson, M.D. is a hematology & oncology physician with a practice address in Morristown, New Jersey, and NPI 1992142046, issued on May 30, 2013. Check the license (New Jersey 25MA10781500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Rafelson
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 25MA10781500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Madison Ave, Morristown, NJ 07960
- Phone
- (973) 971-7960
- Enumerated
- May 30, 2013
- Record last updated
- Oct 29, 2023
- Fax
- (973) 898-1640
- Medicare enrollment
- Enrolled (PECOS I20200813002136); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 399 in New Jersey → Look up another NPI →
Also registered at 100 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmed Abdelhalim, MDInternal Medicine Physician1104386051
- Bavly Abdelmesih, MDStudent in an Organized Health Care Education/Training Program1932901378
- Fatema Abdulhussein, MDStudent in an Organized Health Care Education/Training Program1235514274
- Arkadiy Abkin, MDAnesthesiology Physician1316928666
Verify William Rafelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA10781500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
125 Medicare Part D claims for 41 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Prednisone27 claims
- Eliquis15 claims
- Abiraterone Acetate14 claims
- Nubeqa11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,697.76
111 payments; by number, the most common kind was food and beverage; the largest payer was Exelixis Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Practice Associates Medical GroupMorristown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Rafelson among 399 hematology & oncology physician records in New Jersey
William Rafelson, M.D. is one of 399 hematology & oncology physician records with a practice address in New Jersey. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2009 · median 2002 among the 294 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New Jersey
There are 399 hematology & oncology physician records in New Jersey.
All 399 in New Jersey → Every provider in Morristown → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Kenneth Adler, M.D,Morristown, NJ 079601922096916
- Mohamad Cherry, MDMorristown, NJ 079601386690840
- Ellen Early, M.D.Morristown, NJ 079601912995960
- Charles Farber, M.D, PHDMorristown, NJ 079601144218215
- Gary Gerstein, M.D.Morristown, NJ 079601689662769
- Shilpi Gupta, MDMorristown, NJ 079601508009366
- Aisha Masood, M.D.Morristown, NJ 079601023103876
- Steven Papish, M.D.Morristown, NJ 079601811985997
Common questions
What is William Rafelson, M.D.'s NPI number?
William Rafelson, M.D.'s National Provider Identifier (NPI) is 1992142046, issued on May 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is William Rafelson, M.D. located?
The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (973) 971-7960. Providers update this record themselves, so call before visiting.
How can I verify William Rafelson, M.D.'s license?
NPPES lists New Jersey license number 25MA10781500, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Rafelson, M.D. prescribe under Medicare Part D?
In 2024, William Rafelson, M.D. had 125 Medicare Part D claims for 41 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is William Rafelson, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.