Margaret Marie Thorsen, MD
Obstetrics & Gynecology Physician · Providence, RI
Margaret Marie Thorsen, MD is an obstetrics & gynecology physician with a practice address in Providence, Rhode Island, and NPI 1366001836, issued on Jun 10, 2019. Check the license (Rhode Island LP04688, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Margaret Marie Thorsen
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- LP04688 RI
Self-reported in NPPES; status is on the state search - Practice location
- 101 Dudley St, Providence, RI 02905
- Phone
- (401) 274-1100
- Enumerated
- Jun 10, 2019
- Record last updated
- Aug 30, 2024
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 205 in Rhode Island → Look up another NPI →
Also registered at 101 Dudley St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Abern, MDObstetrics & Gynecology Physician1851528467
- Emily Adams, MDObstetrics & Gynecology Physician1750021622
- Victoria Adewale, MDObstetrics & Gynecology Physician1467015024
- Brigida Aguiar, LICSWSocial Worker1356360572
- Barbara Alksninis, NPPPediatric Nurse Practitioner1447586490
- Rebecca Allen, MDGynecology Physician1669457735
Verify Margaret Marie Thorsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license LP04688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
11 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Margaret Marie Thorsen among 205 obstetrics & gynecology physician records in Rhode Island
Margaret Marie Thorsen, MD is one of 205 obstetrics & gynecology physician records with a practice address in Rhode Island. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 80% of them.
- NPI issued2019 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2024 · 52% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
135 obstetrics & gynecology physician records list a practice address in Providence
They are 135 of the 9,647 NPPES records with a practice address in Providence, and 205 obstetrics & gynecology physician records in Rhode Island.
All 205 in Rhode Island → Every provider in Providence → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Michael Beitle, M.D.Providence, RI 029051659318392
- Kathleen Bowling, MDProvidence, RI 029051750307419
- Jennifer Boyle, MDProvidence, RI 029051891774394
- Chelsy Caren, MDProvidence, RI 029051346207602
- Donald Coustan, M.D.Providence, RI 029051215911367
- Renee Eger, MDProvidence, RI 029051992796106
- Kathleen Fitzgerald, MDProvidence, RI 029051881614907
- Donna Lafontaine, MDProvidence, RI 029051407887706
Common questions
What is Margaret Marie Thorsen, MD's NPI number?
Margaret Marie Thorsen, MD's National Provider Identifier (NPI) is 1366001836, issued on Jun 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Marie Thorsen, MD located?
The NPPES record lists a practice address at 101 Dudley St, Providence, RI, 02905. Phone: (401) 274-1100. Providers update this record themselves, so call before visiting.
How can I verify Margaret Marie Thorsen, MD's license?
NPPES lists Rhode Island license number LP04688, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Marie Thorsen, MD prescribe under Medicare Part D?
In 2024, Margaret Marie Thorsen, MD had 11 Medicare Part D claims; 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.