David S. Chapin, M.D.
Gynecology Physician · Brookline, MA
David S. Chapin, M.D. is a gynecology physician with a practice address in Brookline, Massachusetts, and NPI 1235177528, issued on Jun 2, 2006. Check the license (Massachusetts 29079, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David S. Chapin
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- 29079 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1180 Beacon St, Brookline, MA 02446
- Phone
- (617) 202-9222
- Enumerated
- Jun 2, 2006
- Record last updated
- Oct 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 2074923 MA
- Medicare enrollment
- Enrolled (PECOS I20040107000027); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1964
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 128 in Massachusetts → Look up another NPI →
Also registered at 1180 Beacon St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Abraham, PTPhysical Therapist1053419838
- Tamra Adams, PA-CPhysician Assistant1275218448
- Mariam Adili Skinner, PTPhysical Therapist1598864696
- Derick Anderson, PHARMDPharmacist1093893984
- Leah Bass, LICSWClinical Social Worker1346339520
- Tammy Binder, M.D.Psychiatry Physician1336201607
Verify David S. Chapin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 29079Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average gynecology physician in 2024
281 Medicare Part D claims for 65 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Buprenorphine-Naloxone235 claims
- Sublocade14 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 S. Chapin among 128 gynecology physician records in Massachusetts
David S. Chapin, M.D. is one of 128 gynecology physician records with a practice address in Massachusetts. 56% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 30% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1964 · median 1994 among the 50 with a school on file
- Record last updated2016 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Massachusetts
There are 128 gynecology physician records in Massachusetts.
All 128 in Massachusetts → Every provider in Brookline → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Mark Kaplan, M.D.Brookline, MA 024461003841198
- Carl Lopkin, MDBrookline, MA 024461598751364
- Kenneth Scheer, M.D.Brookline, MA 024461942325873
- Austin Wertheimer, M.D.Brookline, MA 024461972593259
- Alan Altman, M.D.Brookline, MA 024451225195779
- Nina Carroll, M.D.Brookline, MA 024451629122791
- Samuel Nun, MDBrookline, MA 024451558388595
- Rapin Osathanondh, M.D.Brookline, MA 024451356491476
Common questions
What is David S. Chapin, M.D.'s NPI number?
David S. Chapin, M.D.'s National Provider Identifier (NPI) is 1235177528, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David S. Chapin, M.D. located?
The NPPES record lists a practice address at 1180 Beacon St, Brookline, MA, 02446. Phone: (617) 202-9222. Providers update this record themselves, so call before visiting.
How can I verify David S. Chapin, M.D.'s license?
NPPES lists Massachusetts license number 29079, 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 S. Chapin, M.D. prescribe under Medicare Part D?
In 2024, David S. Chapin, M.D. had 281 Medicare Part D claims for 65 beneficiaries; the average among gynecology physician prescribers was 299. 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.