David T. Felson, MD
Rheumatology Physician · Boston, MA
David T. Felson, MD is a rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1942266655, issued on Apr 21, 2006. Check the license (Massachusetts 48220, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David T. Felson
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 48220 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Albany St, Boston, MA 02118
- Phone
- (617) 638-7460
- Enumerated
- Apr 21, 2006
- Record last updated
- Feb 6, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (617) 638-5226
- Medicaid ID
- 110065337A MA
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 725 Albany St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David T. Felson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 48220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average rheumatology physician in 2024
446 Medicare Part D claims for 46 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Prednisone48 claims
- Methotrexate34 claims
- Diclofenac Sodium29 claims
- Nabumetone29 claims
- Hydroxychloroquine Sulfate27 claims
- Omeprazole26 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.
David T. Felson among 343 rheumatology physician records in Massachusetts
David T. Felson, MD is one of 343 rheumatology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 45% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2014 · 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 207RR0500X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Massachusetts
There are 343 rheumatology physician records in Massachusetts.
All 343 in Massachusetts → Every provider in Boston → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Hyon-Kyoo Choi, MD, PHDBoston, MA 021181629157128
- Sonali Desai, M.D.Boston, MA 021181952420879
- Maureen Dubreuil, MDBoston, MA 021181053586784
- Peter Grayson, MDBoston, MA 021181639195571
- David Hunter, M.D.Boston, MA 021181649238999
- Eugene Kissin, M.D.Boston, MA 021181295770386
- Robert LafyatisBoston, MA 021181902896822
- Caryn Libbey, M.D.Boston, MA 021181417934142
Common questions
What is David T. Felson, MD's NPI number?
David T. Felson, MD's National Provider Identifier (NPI) is 1942266655, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David T. Felson, MD located?
The NPPES record lists a practice address at 725 Albany St, Boston, MA, 02118. Phone: (617) 638-7460. Providers update this record themselves, so call before visiting.
How can I verify David T. Felson, MD's license?
NPPES lists Massachusetts license number 48220, 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 David T. Felson, MD prescribe under Medicare Part D?
In 2024, David T. Felson, MD had 446 Medicare Part D claims for 46 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.