DR. SETH MONTGOMERY SULLIVAN (M.D.) – Family Medicine Physician, NPI 1750496048

DR. SETH MONTGOMERY SULLIVAN (M.D.) is a healthcare provider. based in Norwalk, Connecticut. specializing in Family Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 048044 (CT). The NPI Number for DR. SETH MONTGOMERY SULLIVAN (M.D.) is 1750496048

Main info

Male
26 Years Of Experience
Accepts Medicare Assignment
Name
DR. SETH MONTGOMERY SULLIVAN (M.D.)
NPI
1750496048
Phone
(203) 852-3045
Address
34 MAPLE ST
Enumeration Date
20 August 2006
Last Update Date
25 May 2011

Doctor Profile

Medical School Name
UNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Secondary Phone
2037397118
Graduation Year
2000 (26 years ago)
PAC ID
9830133891
Group Practice PAC ID
4789597691
Professional Enrollment ID
I20100322000742
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. SETH MONTGOMERY SULLIVAN (M.D.)

  • Norwalk Hospital, 34, Maple Street, Clarmont, Norwalk, Fairfield County, Connecticut, 06856, United States

    NORWALK, CT 068503815

    Phone: (203) 852-3045

    Fax: (203) 855-3589

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 43 Open Payments records for all available years, with a total value of $977.

Total Amount is formed as General ($977) + Research ($0) + Ownership ($0) = $977.

Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Exact Sciences Corporation ($168).

Total Amount

$977

General + Research + Ownership

Payments

43

Total payment records

General Amount

$977

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-19

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06850)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4789597691View full group profile

Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. SETH MONTGOMERY SULLIVAN (M.D.)?
DR. SETH MONTGOMERY SULLIVAN (M.D.) — NPI 1750496048 — is the standard way to identify this listing.
Is DR. SETH MONTGOMERY SULLIVAN (M.D.) listed as active for patients and plans?
The listing shows DR. SETH MONTGOMERY SULLIVAN (M.D.) as active in the NPI system.
What taxonomy line describes DR. SETH MONTGOMERY SULLIVAN (M.D.)?
For research purposes, treat DR. SETH MONTGOMERY SULLIVAN (M.D.) as Family Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
What area does DR. SETH MONTGOMERY SULLIVAN (M.D.) serve?
DR. SETH MONTGOMERY SULLIVAN (M.D.)'s listing highlights Norwalk, Connecticut; more addresses can appear in NPPES.
Why does DR. SETH MONTGOMERY SULLIVAN (M.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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