Michael Andrew Pfeffer, M.B.B.S.
Hematology (Internal Medicine) Physician · Boston, MA
Michael Andrew Pfeffer, M.B.B.S. is a hematology (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1376074021, issued on Mar 24, 2017. Check the license (Massachusetts 1014731, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael Andrew Pfeffer
- Credential
- M.B.B.S.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- 1014731 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 231-9943
- Enumerated
- Mar 24, 2017
- Record last updated
- Mar 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20230801000046); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 117 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Michael Andrew Pfeffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1014731Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
77 Medicare Part D claims for 34 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Eliquis33 claims
- Hydroxyurea15 claims
- Xarelto12 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.
Bills Medicare through 2 group practices
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Andrew Pfeffer among 117 hematology (internal medicine) physician records in Massachusetts
Michael Andrew Pfeffer, M.B.B.S. is one of 117 hematology (internal medicine) physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2006 among the 77 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Massachusetts
There are 117 hematology (internal medicine) physician records in Massachusetts.
All 117 in Massachusetts → Every provider in Boston → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Heather Benjamin, M.D.Boston, MA 021141619046604
- Walter Dzik, MDBoston, MA 021141295726495
- Salvia Jain, MDBoston, MA 021141417168055
- Jagar Jasem, MD,MPHBoston, MA 021141972926988
- Debbie Jiang, MDBoston, MA 021141073994687
- Geon Kim, MDBoston, MA 021141710369640
- Carolyn Krasner, MDBoston, MA 021141497767479
- David Kuter, MD DPHILBoston, MA 021141457342024
Common questions
What is Michael Andrew Pfeffer, M.B.B.S.'s NPI number?
Michael Andrew Pfeffer, M.B.B.S.'s National Provider Identifier (NPI) is 1376074021, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Michael Andrew Pfeffer, M.B.B.S. located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 231-9943. Providers update this record themselves, so call before visiting.
How can I verify Michael Andrew Pfeffer, M.B.B.S.'s license?
NPPES lists Massachusetts license number 1014731, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Andrew Pfeffer, M.B.B.S. prescribe under Medicare Part D?
In 2024, Michael Andrew Pfeffer, M.B.B.S. had 77 Medicare Part D claims for 34 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
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.