Grace Hou, M.D.

Primary specialty

Surgical Oncology PhysicianTaxonomy code 2086X0206X

License

22442 Issued in AZ

Practice address

6320 N Lacholla Blvd
Suite 340
Tucson, AZ 85741

Phone

(520) 575-7159

Fax

(520) 742-0260

NPI assigned

Aug 31, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in AZ

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

General Surgery

Education

University of Arizona College of Medicine, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwest Allied Physicians LLCGroup PAC ID 7618972514, 120 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwest Medical Center Hospital, Tucson, AZ, CCN 030085
• Oro Valley Hospital Hospital, Oro Valley, AZ, CCN 030114
• Northwest Medical Center Sahuarita Hospital, Sahuarita, AZ, CCN 030148

Merit-based Incentive Payment System (MIPS)

Final score

88.8 of 100Reported as apm

Quality

77.6

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: grace.hou.1@1576.direct.athenahealth.com

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.

• Northwest Allied Physicians LLC

  • General Practice Physician
  • Tucson, AZ
  • NPI 1003833179
  Medicare reassignment Care Compare group

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

• Northwest Hospital LLC

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1487607784
  Care Compare affiliation
• Northwest Sahuarita Hospital LLC

  • General Acute Care Hospital
  • Sahuarita, AZ
  • NPI 1851927669
  Care Compare affiliation
• Oro Valley Hospital LLC

  • General Acute Care Hospital
  • Oro Valley, AZ
  • NPI 1386697688
  Care Compare affiliation

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

{
    "created_epoch": "1156982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755907200000",
    "number": "1801908181",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6320 N LACHOLLA BLVD",
            "address_2": "SUITE 340",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "85741",
            "telephone_number": "520-575-7159",
            "fax_number": "520-742-0260"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6320 N LACHOLLA BLVD",
            "address_2": "SUITE 340",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "85741",
            "telephone_number": "520-575-7159",
            "fax_number": "520-742-0260"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOU",
        "first_name": "GRACE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-08-31",
        "last_updated": "2025-08-23",
        "certification_date": "2025-08-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "AZ",
            "license": "22442",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "grace.hou.1@1576.direct.athenahealth.com",
            "affiliation": "N",
            "endpointDescription": "AMR Direct Address",
            "address_1": "6320 N LaCholla Blvd",
            "address_2": "Suite 340",
            "city": "Tucson",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "85741",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Andrew Cameron Hostler, MD
• Deborah Ruth Hotep, ARNP
• Gurjeevan Hothi, O.D.
• Hotternhell Iup, LLC
• Wendy Hotz, R.PH
• Paul H Houdyshelt
• Debra Houghton, COTA
• Amy Suzanne Houk
• Kelly Michael Houk, BA BHT
• Hour Child Crisis Center LP

• Surgical Oncology Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Surgical Oncology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 23, 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.