John Stone, M.D.
Rheumatology Physician · Boston, MA
John Stone, M.D. is a rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1053346924, issued on Jul 11, 2006. Check the license (Massachusetts 231034, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John Stone
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 231034 MA
D52121 MD
Self-reported in NPPES; status is on the state search - Practice location
- Rheumatology Unit, Boston, MA 02114
- Phone
- (617) 726-2870
- Enumerated
- Jul 11, 2006
- Record last updated
- Dec 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 125061200 MD
- Medicare enrollment
- Enrolled (PECOS I20071004000762); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Verify John Stone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 231034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average rheumatology physician in 2024
153 Medicare Part D claims for 45 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone22 claims
- Humira Pen17 claims
- Xeljanz Xr17 claims
- Carvedilol12 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: $544,627.15
40 payments; by number, the most common kind was consulting fee; the largest payer was Amgen 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.
Bills Medicare through 2 group practices
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationWaltham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Stone among 343 rheumatology physician records in Massachusetts
John Stone, M.D. 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 fileYes · 62% of these records are
- Graduated1990 · median 2004 among the 212 with a school on file
- Record last updated2012 · 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
- Syed Ahmed, M.D.Boston, MA 021141407829948
- Sheila Arvikar, M.D.Boston, MA 021141881721249
- Donald Bloch, MDBoston, MA 021141609857739
- Kurt Bloch, MDBoston, MA 021141326020652
- Marcy Bolster, MDBoston, MA 021141154439198
- Flavia Castelino, M.D.Boston, MA 021141962611301
- Robert Friday, MD PHDBoston, MA 021141053393074
- Nancy Kim, M.D.Boston, MA 021141669447090
Common questions
What is John Stone, M.D.'s NPI number?
John Stone, M.D.'s National Provider Identifier (NPI) is 1053346924, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Stone, M.D. located?
The NPPES record lists a practice address at Rheumatology Unit, Boston, MA, 02114. Phone: (617) 726-2870. Providers update this record themselves, so call before visiting.
How can I verify John Stone, M.D.'s license?
NPPES lists Massachusetts license number 231034, 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 John Stone, M.D. prescribe under Medicare Part D?
In 2024, John Stone, M.D. had 153 Medicare Part D claims for 45 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.