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

DR. JAMES BRIAN DUNLAP MD
NPI 1639871429
Internal Medicine in Warren, OH

Active since March 17, 2023PECOS Enrolled
9371 E MARKET ST STE 1, WARREN, OH 44484(330) 609-5277(330) 609-5294 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Aug 19, 2026, Mar 20, 2023, Mar 17, 2023 (3 updates tracked since 2023).

About Dr. James Brian Dunlap Md NPPES

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

DR. JAMES BRIAN DUNLAP MD (NPI 1639871429) is an individual internal medicine provider in Warren, Ohio, licensed in Ohio (35.154785) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639871429
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES BRIAN DUNLAPCredential: MD
Location Address9371 E MARKET ST STE 1Warren, OH 44484-5551
Mailing Address9371 E Market St Ste 1Warren, OH 44484-5551 · (330) 609-5277 · Fax (330) 609-5294
Fax(330) 609-5294
Sole ProprietorYes
Enumeration DateMarch 17, 2023
Last NPPES UpdateAugust 19, 20263 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1639871429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 35.154785
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
9371 E MARKET ST STE 1, Warren, OH 44484

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Brian Dunlap Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 44484 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 James Dunlap's NPI number?

The NPI number for James Dunlap is 1639871429. It was assigned to this individual provider in the NPPES registry on March 17, 2023.

Where is James Dunlap located?

James Dunlap practices at 9371 E Market St Ste 1, Warren, OH 44484. The listed phone number is (330) 609-5277.

What is James Dunlap's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Dunlap enrolled in Medicare?

Yes. James Dunlap is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for James Dunlap was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 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.