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BRIAN PFEIFFER MD PA
NPI 1861834947
Internal Medicine in Tyler, TX

Active since July 18, 2013
800 E DAWSON ST, TYLER, TX 75701(903) 312-4004(888) 242-8720 Get Directions Write a Review

NPPES record last updated: July 18, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Brian Pfeiffer Md Pa NPPES

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

BRIAN PFEIFFER MD PA (NPI 1861834947) is a healthcare organization registered as an internal medicine in Tyler, Texas and active in the NPI registry since July 2013. The organization lists Brian Douglas Pfeiffer, Owner, as its authorized official.

NPPES Registry Identity

NPI1861834947
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameBRIAN PFEIFFER MD PA
Location Address800 E DAWSON STTyler, TX 75701-2036
Mailing AddressPo Box 130309Tyler, TX 75713-0309 · (903) 312-4004 · Fax (888) 242-8720
Phone(903) 312-4004
Fax(888) 242-8720
Organization SubpartNo
Authorized OfficialBrian Douglas PfeifferOwner · (903) 316-7977
Enumeration DateJuly 18, 2013
✔ NPI 1861834947 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · K9150
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.
800 E DAWSON ST, Tyler, TX 75701
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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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brian Pfeiffer Md Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Brian Pfeiffer MD PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Brian Pfeiffer, MD
Internal Medicine
NPI 1548234271
800 E DAWSON ST
Tyler, TX 75701
(903) 316-7977
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Brian Pfeiffer MD PA's NPI number?

The NPI number for Brian Pfeiffer MD PA is 1861834947. It was assigned to this organization in the NPPES registry on July 18, 2013.

Where is Brian Pfeiffer MD PA located?

Brian Pfeiffer MD PA is located at 800 E Dawson St, Tyler, TX 75701. The listed phone number is (903) 312-4004.

What is Brian Pfeiffer MD PA's specialty?

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

Is Brian Pfeiffer MD PA enrolled in Medicare?

Yes. Brian Pfeiffer MD PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Brian Pfeiffer MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Brian Pfeiffer MD PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Brian Pfeiffer MD PA was last updated on July 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.