NPPES file of Aug 9, 2026

Stuart Ross Chipkin, M.D.

Endocrinology, Diabetes & Metabolism Physician · Amherst, MA

Stuart Ross Chipkin, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Amherst, Massachusetts, and NPI 1699775585, issued on Jul 21, 2005. Check the license (Massachusetts 52718, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699775585
Name
Stuart Ross Chipkin
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
52718 MA
Self-reported in NPPES; status is on the state search
Practice location
31 Hall Dr, Amherst, MA 01002
Phone
(413) 256-8561
Enumerated
Jul 21, 2005
Record last updated
Mar 13, 2024
Fax
(866) 644-0869
Medicaid ID
6178839 MA
Medicare enrollment
Enrolled (PECOS I20040814000272); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1982
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 31 Hall Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carol Anderson, N.P.Family Nurse Practitioner1740255140
  2. Alan Berkenwald, MDInternal Medicine Physician1033188636
  3. Alyse Bynum, P.T.Occupational Therapist1386628899
  4. Yihong Cai, ODOptometrist1609108109
  5. Alla Chapman, MDFamily Medicine Physician1558335174
  6. Kaisa Clark, LICSWClinical Social Worker1316545486

Verify Stuart Ross Chipkin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 52718
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Massachusetts license search

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24% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

3,268 Medicare Part D claims for 414 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Stuart Chipkin3,268
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium253 claims
  2. Trulicity169 claims
  3. Rosuvastatin Calcium159 claims
  4. Jardiance127 claims
  5. Metformin Hcl Er114 claims
  6. Atorvastatin Calcium112 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: $112.02

2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stuart Chipkin$112.02
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Valley Medical Group PCFlorence, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

Other endocrinology, diabetes & metabolism physician records in Massachusetts

  1. Alice Abbott, MDLeeds, MA1922096205
  2. Adham Abdel Mottalib, MDBoston, MA1740774892
  3. Aya Abou El Nasr El Bassatne, M.D.Boston, MA1922674134
  4. Tobin Abraham, M.D.Chestnut Hill, MA1568629376
  5. Martin Abrahamson, M.D.Boston, MA1336254226
  6. Ana Paula Abreu Metzger, M.D., PHDBoston, MA1548632359
  7. Gail Adler, MD PHDBoston, MA1780675280
  8. Sara Ahmadi, M.D.Boston, MA1700082617
  9. Alexandra Albert, MD PHDWorcester, MA1164059127
  10. Erik Alexander, MDBoston, MA1285692376

Common questions

What is Stuart Ross Chipkin, M.D.'s NPI number?

Stuart Ross Chipkin, M.D.'s National Provider Identifier (NPI) is 1699775585, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Stuart Ross Chipkin, M.D. located?

The NPPES record lists a practice address at 31 Hall Dr, Amherst, MA, 01002. Phone: (413) 256-8561. Providers update this record themselves, so call before visiting.

How can I verify Stuart Ross Chipkin, M.D.'s license?

NPPES lists Massachusetts license number 52718, 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 Stuart Ross Chipkin, M.D. prescribe under Medicare Part D?

In 2024, Stuart Ross Chipkin, M.D. had 3,268 Medicare Part D claims for 414 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.