Donna C. Sinclair, M.D.
Obstetrics & Gynecology Physician · Trumbull, CT
Donna C. Sinclair, M.D. is an obstetrics & gynecology physician with a practice address in Trumbull, Connecticut, and NPI 1427298462, issued on Mar 4, 2009. Check the license (Connecticut 047272, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Donna C. Sinclair
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 047272 CT
064733 GA
Self-reported in NPPES; status is on the state search - Practice location
- 5520 Park Ave, Trumbull, CT 06611
- Phone
- (203) 374-1018
- Enumerated
- Mar 4, 2009
- Record last updated
- Nov 18, 2025
- Fax
- (203) 369-0699
- Medicare enrollment
- Enrolled (PECOS I20120710000326); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 707 in Connecticut → Look up another NPI →
Also registered at 5520 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jenna AddisonFamily Nurse Practitioner1649725656
- Melanie Albright, C.N.M.Advanced Practice Midwife1609892058
- Robin Berger, MDObstetrics & Gynecology Physician1043327653
- Adam Breiner, N.D.Naturopath1497819601
- Mark Breiner, D.D.S.General Practice Dentistry1427348085
- Hanna Caridad, MS, RD, CDNRegistered Dietitian1114681988
Verify Donna C. Sinclair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 047272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
62 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of 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: $145.42
8 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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 one group practice
- Southside Medical Center, Inc.Atlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donna C. Sinclair among 707 obstetrics & gynecology physician records in Connecticut
Donna C. Sinclair, M.D. is one of 707 obstetrics & gynecology physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1990 · median 2003 among the 488 with a school on file
- Record last updated2025 · 65% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 obstetrics & gynecology physician records list a practice address in Trumbull
They are 19 of the 786 NPPES records with a practice address in Trumbull, and 707 obstetrics & gynecology physician records in Connecticut.
All 707 in Connecticut → Every provider in Trumbull → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Roxanne Abder, MDTrumbull, CT 066111790840809
- Robin Berger, MDTrumbull, CT 066111043327653
- Ronika Choudhary, MDTrumbull, CT 066111407803778
- Robert Deal, M.D.Trumbull, CT 066111134123797
- Leslie Goldstone-Orly, MDTrumbull, CT 066111568561355
- Mary Beth Harman, DOTrumbull, CT 066111689781288
- Sandra Mattison, MDTrumbull, CT 066111174780464
- Anupama Narla, M.DTrumbull, CT 066111205191889
Common questions
What is Donna C. Sinclair, M.D.'s NPI number?
Donna C. Sinclair, M.D.'s National Provider Identifier (NPI) is 1427298462, issued on Mar 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Donna C. Sinclair, M.D. located?
The NPPES record lists a practice address at 5520 Park Ave, Trumbull, CT, 06611. Phone: (203) 374-1018. Providers update this record themselves, so call before visiting.
How can I verify Donna C. Sinclair, M.D.'s license?
NPPES lists Connecticut license number 047272, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donna C. Sinclair, M.D. prescribe under Medicare Part D?
In 2024, Donna C. Sinclair, M.D. had 62 Medicare Part D claims for 22 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.