Heather Merceir King, MD

Primary specialty

Surgical Oncology PhysicianTaxonomy code 2086X0206X

License

Q1844 Issued in TX

Practice address

901 W 38TH St Ste 300
Austin, TX 78705-1166

Phone

(512) 421-4111

Fax

(512) 323-9185

NPI assigned

Aug 25, 2008

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Feb 9, 2026 through Feb 9, 2028

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

State licenses

Practice roles

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.

• Heather M. King, M.D., PLLC

  • Surgery Physician
  • Austin, TX
  • NPI 1316861917
  NPD (past) Authorized official

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

{
    "created_epoch": "1219622400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1992952659",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "630 W 34TH ST STE 201",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787051229",
            "telephone_number": "512-240-2234",
            "fax_number": "512-233-2214"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 W 38TH ST STE 300",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787051166",
            "telephone_number": "512-421-4111",
            "fax_number": "512-323-9185"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KING",
        "first_name": "HEATHER",
        "middle_name": "MERCEIR",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-08-25",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "FL",
            "license": "ME117166",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "Q1844",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "TX",
            "license": "Q1844",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Renae King, LPC, NCC
• Ethan King, LPC-A
• Fraya Gabrielle King, MD
• George Edward King Jr., LPC
• Heather Dawn King, D.C.
• Jan Goodwin King, LCSW
• John D King, EDD
• Kayla Elizabeth King, LCSW
• Kennedy Laine King, PT, DPT
• Madeline King

• Surgical Oncology Physician in Austin, TX
• Providers in Austin, TX by specialty
• Surgical Oncology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 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; Opt Out Affidavits.
• 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.