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DR. SETH MONTGOMERY SULLIVAN M.D.
NPI 1750496048
Family Medicine in Norwalk, CT

Active since August 20, 2006Opted out of Medicare · through Jan 29, 2028
34 MAPLE ST, NORWALK, CT 06850(203) 852-3045(203) 855-3589 Get Directions Write a Review

NPPES record last updated: May 25, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Seth Montgomery Sullivan M.d. NPPES

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

DR. SETH MONTGOMERY SULLIVAN M.D. (NPI 1750496048) is an individual family medicine provider in Norwalk, Connecticut, licensed in Connecticut (048044) and active in the NPI registry since August 2006. He has opted out of Medicare through January 29, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1750496048
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. SETH MONTGOMERY SULLIVANCredential: M.D.
Location Address34 MAPLE STNorwalk, CT 06850-3815
Mailing Address34 Maple StNorwalk, CT 06850-3815 · (203) 852-3045 · Fax (203) 855-3589
Phone(203) 852-3045
Fax(203) 855-3589
Sole ProprietorNo
Enumeration DateAugust 20, 2006
Last NPPES UpdateMay 25, 2011
✔ NPI 1750496048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CT · 048044
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
34 MAPLE ST, Norwalk, CT 06850
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Other Names 1

Professional Name (2)Dr. Seth M Sullivan Md

Other Identifiers 3

Medicaid100457510AKS
Medicare UPINH87863KS
Medicare ID-Type Unspecified103068KS

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Seth Montgomery Sullivan M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 29, 2022 through January 29, 2028.

Opt-Out Effective DateJanuary 29, 2022
Opt-Out In Effect ThroughJanuary 29, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06850 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
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.

DLEAH VAIYASHA EPPS PA-C
Physician Assistant (Surgical)
34 MAPLE ST
NORWALK, CT 06850
Western Connecticut Planning Region (203) 852-2000
DR. TIMOTHY DANIEL SHUB MD
Emergency Medicine
34 MAPLE ST
NORWALK, CT 06850
Western Connecticut Planning Region (203) 852-2000
KELLY NELSON
Registered Nurse
34 MAPLE ST
NORWALK, CT 06850
Western Connecticut Planning Region (203) 852-2501
MADISON DUVAL HOBBS PA
Physician Assistant (Medical)
34 MAPLE ST
NORWALK, CT 06850
Western Connecticut Planning Region (203) 852-2000
JILL BIANCA WATRAS M.D.
Surgery (Trauma Surgery)
34 MAPLE ST
NORWALK, CT 06850
Western Connecticut Planning Region (703) 867-6793
SIMA EL-AYOUB
Physician Assistant (Surgical)
34 MAPLE ST
NORWALK, CT 06850
Western Connecticut Planning Region (203) 852-2188
DR. CHRISTOPHER TYLER BATISTA PHARMD
Pharmacist
34 MAPLE ST
NORWALK, CT 06850
Western Connecticut Planning Region (203) 852-2684
MRS. NAUREEN KHAN M.D
Student in an Organized Health Care Education/Training Program
34 MAPLE ST
NORWALK, CT 06850
Western Connecticut Planning Region (203) 852-2303

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 Seth Sullivan's NPI number?

The NPI number for Seth Sullivan is 1750496048. It was assigned to this individual provider in the NPPES registry on August 20, 2006. The provider is also known as Dr. Seth M Sullivan MD.

Where is Seth Sullivan located?

Seth Sullivan practices at 34 Maple St, Norwalk, CT 06850. The listed phone number is (203) 852-3045.

What is Seth Sullivan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Seth Sullivan enrolled in Medicare?

No. Seth Sullivan has opted out of Medicare through January 29, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Seth Sullivan was last updated on May 25, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.