Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Brian Douglas Pfeiffer, MD

Individual provider Internal Medicine Physician · NPI 1548234271

Brian Douglas Pfeiffer, MD is an Internal Medicine in Tyler, Texas. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
30
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

800 E Dawson St
Tyler, TX 75701-2036
Phone: (903) 316-7977
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence K9150 (TX)

Record details

NPI number1548234271
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 17, 2006
Last updated in NPPESOctober 2, 2025
Certification dateOctober 2, 2025
Mailing addressPo Box 130309, Tyler, TX 75713-0309

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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