Brian Douglas Pfeiffer, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

K9150 Issued in TX

Practice address

800 E Dawson St
Tyler, TX 75701-2036

Phone

(903) 316-7977

NPI assigned

Feb 17, 2006

Last updated

Oct 2, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

University of Kansas School of Med (KC/Wich/Sal), 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Christus Mother Frances Hospital Hospital, Tyler, TX, CCN 450102

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bpfeiffer355535@ahs.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Brian Pfeiffer MD PA

  • Internal Medicine Physician
  • Tyler, TX
  • NPI 1861834947
  Medicare reassignment NPD Authorized official
• Mother Frances Hospital Regional Health Care Center

  dba Christus Mother Frances Hospital Tyler

  • General Acute Care Hospital
  • Tyler, TX
  • NPI 1679578439
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mother Frances Hospital Regional Health Care Center

  dba Christus Mother Frances Hospital Tyler

  • General Acute Care Hospital
  • Tyler, TX
  • NPI 1679578439
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1140134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759363200000",
    "number": "1548234271",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 130309",
            "city": "TYLER",
            "state": "TX",
            "postal_code": "757130309",
            "telephone_number": "903-316-7977"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 E DAWSON ST",
            "city": "TYLER",
            "state": "TX",
            "postal_code": "757012036",
            "telephone_number": "903-316-7977"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PFEIFFER",
        "first_name": "BRIAN",
        "middle_name": "DOUGLAS",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-02-17",
        "last_updated": "2025-10-02",
        "certification_date": "2025-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "K9150",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8DZ515",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "044061202",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Carina Pham, SLP- ASSISTANT
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• Pharmacy Corporation of America (Pharmerica)

• Internal Medicine Physician in Tyler, TX
• Providers in Tyler, TX by specialty
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.