Robert Edwin O' Sullivan, MD
Obstetrics & Gynecology Physician · Bridgeport, CT
Robert Edwin O' Sullivan, MD is an obstetrics & gynecology physician with a practice address in Bridgeport, Connecticut, and NPI 1053751271, issued on Jul 2, 2013. Check the license (Connecticut 55690, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Robert Edwin O' Sullivan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 55690 CT
C209010 CA
Self-reported in NPPES; status is on the state search - Practice location
- 267 Grant St, Bridgeport, CT 06610
- Phone
- (203) 384-3446
- Enumerated
- Jul 2, 2013
- Record last updated
- Jun 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20170630001374); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 707 in Connecticut → Look up another NPI →
Also registered at 267 Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justin AbbateCertified Registered Nurse Anesthetist1811780497
- Mahmoud AbdelhadiHospitalist Physician1376116574
- Shaun AbidStudent in an Organized Health Care Education/Training Program1194428565
- Kwame Adjei-SefahStudent in an Organized Health Care Education/Training Program1306648589
- Khashayar AfshariStudent in an Organized Health Care Education/Training Program1942002092
- Shadi Afyouni, MDStudent in an Organized Health Care Education/Training Program1023811031
Verify Robert Edwin O' Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 55690Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
41 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Medroxyprogesterone Acetate12 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: $16.93
1 payment: food and beverage; the largest payer was Organon Llc. 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
- Optimus Health Care IncBridgeport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Edwin O' Sullivan among 707 obstetrics & gynecology physician records in Connecticut
Robert Edwin O' Sullivan, MD 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 2013, is newer than 73% of them.
- NPI issued2013 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2007 · median 2003 among the 488 with a school on file
- Record last updated2026 · 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).
41 obstetrics & gynecology physician records list a practice address in Bridgeport
They are 41 of the 2,980 NPPES records with a practice address in Bridgeport, and 707 obstetrics & gynecology physician records in Connecticut.
All 707 in Connecticut → Every provider in Bridgeport → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ashley Bellamy, M.D.Bridgeport, CT 066101952798613
- Joseph Cuteri, M.D.Bridgeport, CT 066101790727154
- Lindsay Goodman, M.D.Bridgeport, CT 066101093947756
- Arlene Gutman, MB BCH BAOBridgeport, CT 066101730760752
- Tess HoerleBridgeport, CT 066101356907299
- Aditi KatwalaBridgeport, CT 066101467250548
- Gary Kleinman, M.D.Bridgeport, CT 066101063471092
- Wesley Nilsson, MDBridgeport, CT 066101639674120
Common questions
What is Robert Edwin O' Sullivan, MD's NPI number?
Robert Edwin O' Sullivan, MD's National Provider Identifier (NPI) is 1053751271, issued on Jul 2, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Robert Edwin O' Sullivan, MD located?
The NPPES record lists a practice address at 267 Grant St, Bridgeport, CT, 06610. Phone: (203) 384-3446. Providers update this record themselves, so call before visiting.
How can I verify Robert Edwin O' Sullivan, MD's license?
NPPES lists Connecticut license number 55690, 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 Robert Edwin O' Sullivan, MD prescribe under Medicare Part D?
In 2024, Robert Edwin O' Sullivan, MD had 41 Medicare Part D claims for 21 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.