Brian Pfeiffer, MD
NPI 1548234271 · Internal Medicine Physician · Tyler, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Pfeiffer, MD is a Internal Medicine Physician provider in Tyler, TX (NPI 1548234271).
Provider details
- NPI number
- 1548234271
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- K9150 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,537 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 439 | $137 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 402 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 283 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 185 | $108 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 174 | $92 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 240 | 229 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 122 | 119 |
| Methocarbamol | 44 | 43 |
| Apixabanbrand: Eliquis | 40 | 35 |
| Tamsulosin Hcl | 27 | 20 |
| Gabapentin | 18 | 17 |
| Chlorhexidine Gluconate | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-17
- Last updated
- 2025-10-02
- Certified
- 2025-10-02
Frequently asked questions
- What is Brian Pfeiffer's NPI number?
- Brian Pfeiffer's National Provider Identifier (NPI) is 1548234271, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Pfeiffer's specialty?
- Brian Pfeiffer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Pfeiffer located?
- Brian Pfeiffer's practice location on file with NPPES is 800 E Dawson St, Tyler, TX 75701-2036.
- What is Brian Pfeiffer's phone number?
- The practice phone number listed in the NPPES registry for Brian Pfeiffer is (903) 316-7977.
- Does Brian Pfeiffer accept Medicare?
- Brian Pfeiffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Pfeiffer's NPI active?
- Yes — Brian Pfeiffer's NPI (1548234271) is active in the NPPES registry as of the last update on 2025-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.