Bonnie J. Bidinger, M.D.
Rheumatology Physician · Mendon, MA
Bonnie J. Bidinger, M.D. is a rheumatology physician with a practice address in Mendon, Massachusetts, and NPI 1326029463, issued on Nov 7, 2005. Check the license (Massachusetts 209206, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Bonnie J. Bidinger
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 209206 MA
Self-reported in NPPES; status is on the state search - Practice location
- 12 Uxbridge RD, Mendon, MA 01756
- Phone
- (508) 634-6825
- Enumerated
- Nov 7, 2005
- Record last updated
- Aug 5, 2025
- Fax
- (508) 634-6829
- Medicaid ID
- 2038447 MA
- Medicare enrollment
- Enrolled (PECOS I20040524000933); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1998
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 12 Uxbridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kerri Batra, M.D.Rheumatology Physician1295714806
- Christina Morrison, RDRegistered Dietitian1558563676
- William Vitale, NPNurse Practitioner1669785812
Verify Bonnie J. Bidinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 209206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average rheumatology physician in 2024
3,129 Medicare Part D claims for 461 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 376 claims were for opioids.
Most prescribed
- Prednisone365 claims
- Hydroxychloroquine Sulfate288 claims
- Methotrexate241 claims
- Meloxicam184 claims
- Methylprednisolone181 claims
- Tramadol Hcl177 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: $169.76
8 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, 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
- Milford Regional Physician Group, Inc.Milford, MA
- Umass Memorial Medical Group IncMilford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bonnie J. Bidinger among 343 rheumatology physician records in Massachusetts
Bonnie J. Bidinger, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2004 among the 212 with a school on file
- Record last updated2025 · 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).
2 rheumatology physician records list a practice address in Mendon
They are 2 of the 38 NPPES records with a practice address in Mendon, and 343 rheumatology physician records in Massachusetts.
All 343 in Massachusetts → Every provider in Mendon → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Kerri Batra, M.D.Mendon, MA 017561295714806
- Pamela Deluca, M.D.Concord, MA 017421710946462
- Martin Kafina, M.D.Concord, MA 017421427016492
- Alan Marks, MDConcord, MA 017421689773236
- Elena Eberle, M.D.Southborough, MA 017721245436526
- Robert Pinals, M.D.Bedford, MA 017301710112685
- Elizabeth Graef, D.O.Burlington, MA 018031598171878
- Matthew Axelrod, MDBurlington, MA 018051932385002
Common questions
What is Bonnie J. Bidinger, M.D.'s NPI number?
Bonnie J. Bidinger, M.D.'s National Provider Identifier (NPI) is 1326029463, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Bonnie J. Bidinger, M.D. located?
The NPPES record lists a practice address at 12 Uxbridge RD, Mendon, MA, 01756. Phone: (508) 634-6825. Providers update this record themselves, so call before visiting.
How can I verify Bonnie J. Bidinger, M.D.'s license?
NPPES lists Massachusetts license number 209206, 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 Bonnie J. Bidinger, M.D. prescribe under Medicare Part D?
In 2024, Bonnie J. Bidinger, M.D. had 3,129 Medicare Part D claims for 461 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.