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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ROBERT EDWIN O' SULLIVAN MD
NPI 1053751271
Obstetrics & Gynecology in Bridgeport, CT

Active since July 02, 2013PECOS EnrolledAccepts Medicare Assignment
267 GRANT ST, BRIDGEPORT, CT 06610(203) 384-3446 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Robert Edwin O' Sullivan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT EDWIN O' SULLIVAN MD (NPI 1053751271) is an individual obstetrics & gynecology provider in Bridgeport, Connecticut, licensed in Connecticut (55690) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rancho Mirage, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1053751271
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. ROBERT EDWIN O' SULLIVANCredential: MD
Location Address267 GRANT STBridgeport, CT 06610-2805
Mailing Address255 Acorn LnMilford, CT 06461-1884 · (203) 892-1170
Phone(203) 384-3446
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateJuly 2, 2013
Last NPPES UpdateJune 24, 2026
NPPES CertifiedJune 24, 2026
✔ NPI 1053751271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CT · 55690✔ Licensed in CA · C209010
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
267 GRANT ST, Bridgeport, CT 06610
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Secondary Practice Location 1

Location 171943 Highway 111Rancho Mirage, CA 92270-4848 · Phone (760) 834-7982 · Fax (760) 834-7981

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Robert Edwin O' Sullivan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496024655
PECOS Enrollment IDI20170630001374
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06610 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. ALEX SCOTT CADAN PA-C
Physician Assistant (Surgical)
267 GRANT ST
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-4500
RYAN KEENAN PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
267 GRANT ST
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3000
DR. BLAZE KELLY DO
Anesthesiology (Pain Medicine)
267 GRANT ST
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3000
KARINA K. LINCER
Physical Therapist
267 GRANT ST
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3000
DOROTHY D. DAPONTE
Physical Therapy Assistant
267 GRANT ST
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3000
MISS SANDRA SHIPKOWITZ APRN
Nurse Practitioner (Pediatrics)
267 GRANT ST
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-4490
HOLLY S. ASHBY
Physical Therapist
267 GRANT ST
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3000
TESSA GURALNICK DPT
Physical Therapist
267 GRANT ST
BRIDGEPORT, CT 06610
Greater Bridgeport Planning Region (203) 384-3708

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert O' Sullivan's NPI number?

The NPI number for Robert O' Sullivan is 1053751271. It was assigned to this individual provider in the NPPES registry on July 2, 2013.

Where is Robert O' Sullivan located?

Robert O' Sullivan practices at 267 Grant St, Bridgeport, CT 06610. The listed phone number is (203) 384-3446.

What is Robert O' Sullivan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Robert O' Sullivan enrolled in Medicare?

Yes. Robert O' Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Robert O' Sullivan was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.