George Michael Markus, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

F6905 Issued in TX

Practice address

17177 Preston Rd Ste 120
Dallas, TX 75248-1235

Phone

(214) 899-0860

Fax

(214) 889-8540

NPI assigned

Sep 15, 2006

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

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

Other, 1980

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Methodist Richardson Medical Center Hospital, Richardson, TX, CCN 450537
• Baylor Scott & White Medical Center Plano Hospital, Plano, TX, CCN 450890

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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

• North Dallas Primary Care P.a

  • Internal Medicine Physician
  • Richardson, TX
  • NPI 1689861080
  NPD

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

• Baylor Regional Medical Center at Plano

  • General Acute Care Hospital
  • Plano, TX
  • NPI 1649273434
  Care Compare affiliation
• Methodist Hospitals of Dallas

  • General Acute Care Hospital
  • Richardson, TX
  • NPI 1033165501
  Care Compare affiliation

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

{
    "created_epoch": "1158278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1295831535",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17177 PRESTON RD STE 120N",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752481235",
            "telephone_number": "214-899-0860",
            "fax_number": "214-889-8540"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17177 PRESTON RD STE 120",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752481235",
            "telephone_number": "214-899-0860",
            "fax_number": "214-889-8540"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKUS",
        "first_name": "GEORGE",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-09-15",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "F6905",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marks Pharmacy Incorporated
• Arnold Stephen Marks, LCSW
• Kellie Marks
• Maryann Marks, NC
• Melody Patrice Marks, RN
• Richard William Markus, MD
• Eugene W. Marley, O.D.
• Angela Marlin, LCSW
• Gerald V Marlin, MD
• Marlobo Iom, LLC

• Internal Medicine Physician in Dallas, TX
• Providers in Dallas, 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 Jan 16, 2026; 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.