James Fu, MD
Hematology & Oncology Physician · Boston, MA
James Fu, MD is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1609404326, issued on Mar 29, 2020. Check the license (Massachusetts 1013790, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James Fu
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 1013790 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-8944
- Enumerated
- Mar 29, 2020
- Record last updated
- May 13, 2026
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 461 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Fu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1013790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
197 Medicare Part D claims for 60 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Anastrozole18 claims
- Acyclovir15 claims
- Tagrisso14 claims
- Prednisone13 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.
James Fu among 461 hematology & oncology physician records in Massachusetts
James Fu, MD is one of 461 hematology & oncology physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.
- NPI issued2020 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 62% 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 Massachusetts 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 Massachusetts
There are 461 hematology & oncology physician records in Massachusetts.
All 461 in Massachusetts → Every provider in Boston → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Anubha Bharthuar, MDBoston, MA 021111063739969
- Parva Bhatt, M.D.Boston, MA 021111689055832
- Sharan Bijlani, MDBoston, MA 021111962061903
- Rachel Buchsbaum, MDBoston, MA 021111255360640
- Raymond Comenzo, MDBoston, MA 021111750352787
- Jacob Elkon, MDBoston, MA 021111104153105
- Ruchi Hamal, MDBoston, MA 021111447670823
- Andreas Klein, MDBoston, MA 021111285740969
Common questions
What is James Fu, MD's NPI number?
James Fu, MD's National Provider Identifier (NPI) is 1609404326, issued on Mar 29, 2020. An NPI identifies a provider in billing; it is not a license.
Where is James Fu, MD located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-8944. Providers update this record themselves, so call before visiting.
How can I verify James Fu, MD's license?
NPPES lists Massachusetts license number 1013790, 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 James Fu, MD prescribe under Medicare Part D?
In 2024, James Fu, MD had 197 Medicare Part D claims for 60 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.