NPPES file of Aug 9, 2026

Sibel Nefise Bessim, MD

Obstetrics & Gynecology Physician · Wellesley, MA

Sibel Nefise Bessim, MD is an obstetrics & gynecology physician with a practice address in Wellesley, Massachusetts, and NPI 1528165685, issued on Sep 20, 2006. Check the license (Massachusetts 72547, 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
1528165685
Name
Sibel Nefise Bessim
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
72547 MA
Self-reported in NPPES; status is on the state search
Practice location
30 Washington Street, Wellesley, MA 02481
Phone
(781) 263-0033
Enumerated
Sep 20, 2006
Record last updated
Apr 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(781) 263-0098
Medicaid ID
3119351 MA
Medicare enrollment
Enrolled (PECOS I20050421000887); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 1986
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.
Download card Updates feed

Also registered at 30 Washington Street

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

  1. Megan Dolan, NPObstetrics & Gynecology Nurse Practitioner1972761781
  2. Sharon Margulies, M.D.Obstetrics & Gynecology Physician1144268434
  3. Mary Maxwell, NURSE PRACTITIONERObstetrics & Gynecology Nurse Practitioner1376697722

Verify Sibel Nefise Bessim 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 72547
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

89% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

312 Medicare Part D claims for 88 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Sibel Bessim312
  2. Specialty average165

Most prescribed

  1. Estradiol74 claims
  2. Estradiol (Twice Weekly)26 claims
  3. Duavee18 claims
  4. Medroxyprogesterone Acetate17 claims
  5. Progesterone16 claims
  6. Norethindrone Acetate14 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.

Bills Medicare through one group practice

  1. Community Health Center OF Cape Cod, Inc.Mashpee, MA

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

Sibel Nefise Bessim among 1,127 obstetrics & gynecology physician records in Massachusetts

Sibel Nefise Bessim, MD is one of 1,127 obstetrics & gynecology 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 50% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1986 · median 2004 among the 715 with a school on file
  • Record last updated2011 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 obstetrics & gynecology physician records list a practice address in Wellesley

They are 18 of the 1,117 NPPES records with a practice address in Wellesley, and 1,127 obstetrics & gynecology physician records in Massachusetts.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Anne Dixon, MDWellesley, MA 024811205881794
  2. Martha Ehrmann, M.D.Wellesley Hills, MA 024811639145428
  3. Maria Fradinho, MDWellesley, MA 024811184850703
  4. Ruth Fretts, MDWellesley, MA 024811275587719
  5. Julia Logan, M.D.Wellesley, MA 024811053343590
  6. Sharon Margulies, M.D.Wellesley, MA 024811144268434
  7. Emily Mather, CNMWellesley Hills, MA 024811134229552
  8. Phillip McCrary, MDWellesley, MA 024811861488967

Common questions

What is Sibel Nefise Bessim, MD's NPI number?

Sibel Nefise Bessim, MD's National Provider Identifier (NPI) is 1528165685, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sibel Nefise Bessim, MD located?

The NPPES record lists a practice address at 30 Washington Street, Wellesley, MA, 02481. Phone: (781) 263-0033. Providers update this record themselves, so call before visiting.

How can I verify Sibel Nefise Bessim, MD's license?

NPPES lists Massachusetts license number 72547, 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 Sibel Nefise Bessim, MD prescribe under Medicare Part D?

In 2024, Sibel Nefise Bessim, MD had 312 Medicare Part D claims for 88 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.