Athanasios Vassilopoulos, MD
Rheumatology Physician · Boston, MA
Athanasios Vassilopoulos, MD is a rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1194415927, issued on May 15, 2023. Check the license (Massachusetts 3021648, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Athanasios Vassilopoulos
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 3021648 MA
Self-reported in NPPES; status is on the state search - Practice location
- 60 Fenwood RD, Boston, MA 02115
- Phone
- (617) 732-5500
- Enumerated
- May 15, 2023
- Record last updated
- Jun 30, 2026
- Fax
- (617) 732-5766
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 60 Fenwood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber AcquayeStudent in an Organized Health Care Education/Training Program1932903671
- David AdamowiczGeriatric Psychiatry Physician1154987857
- Louisa Grace Aja, MDStudent in an Organized Health Care Education/Training Program1023950417
- Christopher Anderson, M.D.Neurology Physician1720108400
- Rachel AsherStudent in an Organized Health Care Education/Training Program1376047563
- Sheena Baratono, MD PHDNeurology Physician1164885919
Verify Athanasios Vassilopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 3021648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average rheumatology physician in 2024
66 Medicare Part D claims for 27 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of 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.
Industry payments in 2024: $39.11
1 payment: food and beverage; the largest payer was Travere Therapeutics, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Athanasios Vassilopoulos among 343 rheumatology physician records in Massachusetts
Athanasios Vassilopoulos, 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 2023, is newer than over 99% of them.
- NPI issued2023 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% 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 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
- Paul Anderson, M.D., PH.D.Boston, MA 021151235127432
- Ronald Anderson, MDBoston, MA 021151154388478
- Michael Brenner, MDBoston, MA 021151699732909
- Jack Bukowski, MD PHDBoston, MA 021151639121544
- Jonathan Coblyn, MDBoston, MA 021151447200969
- Karen Costenbader, MD MPHBoston, MA 021151447216825
- I Cheng Ho, MDBoston, MA 021151346292133
- Elizabeth Karlson, MDBoston, MA 021151548228075
Common questions
What is Athanasios Vassilopoulos, MD's NPI number?
Athanasios Vassilopoulos, MD's National Provider Identifier (NPI) is 1194415927, issued on May 15, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Athanasios Vassilopoulos, MD located?
The NPPES record lists a practice address at 60 Fenwood RD, Boston, MA, 02115. Phone: (617) 732-5500. Providers update this record themselves, so call before visiting.
How can I verify Athanasios Vassilopoulos, MD's license?
NPPES lists Massachusetts license number 3021648, 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 Athanasios Vassilopoulos, MD prescribe under Medicare Part D?
In 2024, Athanasios Vassilopoulos, MD had 66 Medicare Part D claims for 27 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.