DR. JOHN SULLIVAN MD
NPI 1376108050
Pediatrics in New Haven, CT

Q: What is John Sullivan's NPI number?

The NPI number for John Sullivan is 1376108050. It was assigned to this individual provider in the NPPES registry on May 7, 2019.

Q: What is John Sullivan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for John Sullivan was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.

Active since May 07, 2019PECOS EnrolledAccepts Medicare Assignment

PO BOX 208064, NEW HAVEN, CT 06520(203) 785-4081 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Oct 25, 2022, May 7, 2019 (2 updates tracked since 2019).

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About Dr. John Sullivan Md NPPES

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

DR. JOHN SULLIVAN MD (NPI 1376108050) is an individual pediatrics provider in New Haven, Connecticut, licensed in Connecticut (82724) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of University Of Massachusetts Medical School (2019).

NPPES Registry Identity

NPI1376108050

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. JOHN SULLIVANCredential: MD

Location AddressPO BOX 208064New Haven, CT 06520-8064

Mailing AddressPo Box 208064New Haven, CT 06520-8064 · (203) 785-4081

Phone(203) 785-4081

Sole ProprietorNo

Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2019

Enumeration DateMay 7, 2019

Last NPPES UpdateAugust 18, 20252 updates tracked since enumeration

NPPES CertifiedAugust 18, 2025

✔ NPI 1376108050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CT · 82724

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

PO BOX 208064, New Haven, CT 06520

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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. John 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 ID7810222197

PECOS Enrollment IDI20251022002159

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 06520 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.

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 John Sullivan's NPI number?

The NPI number for John Sullivan is 1376108050. It was assigned to this individual provider in the NPPES registry on May 7, 2019.

Where is John Sullivan located?

John Sullivan practices at PO Box 208064, New Haven, CT 06520. The listed phone number is (203) 785-4081.

What is John Sullivan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is John Sullivan enrolled in Medicare?

Yes. John 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 John Sullivan was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.