Gary B Weiss, PH.D, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

F0075 Issued in TX

Practice address

501 Medical Center Blvd
Webster, TX 77598-4219

Phone

(281) 332-7505

Fax

(281) 332-7616

NPI assigned

Jun 21, 2006

Last updated

Mar 20, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 7

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

Merit-based Incentive Payment System (MIPS)

Final score

85.12 of 100Reported as apm

Quality

67.48

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gary.weiss@txo.ikm.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.

• Texas Oncology PA

  • Medical Oncology Physician
  • El Paso, TX
  • NPI 1811944101

  Hematology & Oncology

  Medicare reassignment NPD
• Texas Tech University Health Sciences Center El Paso

  • Internal Medicine Physician
  • El Paso, TX
  • NPI 1598705055
  Medicare reassignment NPD
• Texas Oncology PA

  • Medical Oncology Physician
  • Fort Worth, TX
  • NPI 1033386578

  Hematology & Oncology

  NPD
• Texas Oncology PA

  • Medical Oncology Physician
  • Webster, TX
  • NPI 1821265265

  Hematology & Oncology

  NPD
• Texas Oncology PA

  • Medical Oncology Physician
  • Pearland, TX
  • NPI 1912174350

  Hematology & Oncology

  NPD
• Texas Tech University Health Sciences Center El Paso

  • Neurological Surgery Physician
  • El Paso, TX
  • NPI 1457913444
  NPD
• Texas Tech University Health Sciences Center El Paso

  • Neurology Physician
  • El Paso, TX
  • NPI 1548389554
  NPD

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

{
    "created_epoch": "1150848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742428800000",
    "number": "1215973961",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 911230",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753911230",
            "telephone_number": "972-997-8000",
            "fax_number": "972-437-9605"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 MEDICAL CENTER BLVD",
            "city": "WEBSTER",
            "state": "TX",
            "postal_code": "775984219",
            "telephone_number": "281-332-7505",
            "fax_number": "281-332-7616"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4801 Alberta Ave",
            "address_purpose": "LOCATION",
            "city": "El Paso",
            "state": "TX",
            "postal_code": "799052707",
            "country_code": "US",
            "telephone_number": "915-215-5200",
            "fax_number": "915-215-8640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WEISS",
        "first_name": "GARY",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "PH.D, MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-21",
        "last_updated": "2025-03-20",
        "certification_date": "2025-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "TX",
            "license": "F0075",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "F0075",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "F0075",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CSHCN",
            "identifier": "135570304",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "135570307",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "135570301",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "135570303",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "135570310",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "135570309",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS OF TEXAS",
            "identifier": "8R1585",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Webster Surgical Specialty Hospital, LLC (Memorial Hermann Houston Physicians' Hospital)
• Alicia Weffer, PTA
• Diane Lynn Wegelt-Wundrow, CRNA
• Jacqueline Marie Wegge, MD
• Lindsay Weinmann
• Emily Welch, BCBA
• Wellness Vip, LLC (Thinneru)
• Courtney Wells, PT, DPT
• Alissa Welsh, MD
• Francis Welsh, MD

• Hematology & Oncology Physician in Webster, TX
• Providers in Webster, TX by specialty
• Hematology & Oncology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 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.