Gregory Trent Walker Jr., MD

Primary specialty

Orthopaedic Foot and Ankle Surgery PhysicianTaxonomy code 207XX0004X

License

85758 Issued in AZ

Practice address

6130 N la Cholla Blvd Ste 135a
Tucson, AZ 85741-3557

Phone

(520) 881-1394

Fax

(520) 882-7464

NPI assigned

Apr 7, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

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

Orthopedic Surgery

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Tucson Physician Group Holdings LLCGroup PAC ID 0547560070, 200 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St. Mary'S Hospital Hospital, Tucson, AZ, CCN 030010
• St Joseph'S Hospital Hospital, Tucson, AZ, CCN 030011

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

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/MmWbh382tKlbvAIA1_DeLlIjYVSwroch/
• Direct secure messaging: gregory.walker.1@600.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.

• Tucson Physician Group Holdings, LLC

  • Interventional Cardiology Physician
  • Tucson, AZ
  • NPI 1356726939
  Medicare reassignment Care Compare group NPD
• Carondelet Medical Group, Inc

  • Family Medicine Physician
  • Tucson, AZ
  • NPI 1659326585
  NPD (past)

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

• SMSJ Tucson Holdings LLC

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1265818488
  Care Compare affiliation
• SMSJ Tucson Holdings LLC

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1538535158
  Care Compare affiliation

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

{
    "created_epoch": "1459987200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1669593600000",
    "number": "1801250659",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6130 N LA CHOLLA BLVD STE 135A",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857413557",
            "telephone_number": "520-881-1394",
            "fax_number": "520-882-7464"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6130 N LA CHOLLA BLVD STE 135A",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857413557",
            "telephone_number": "520-881-1394",
            "fax_number": "520-882-7464"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALKER",
        "first_name": "GREGORY",
        "middle_name": "TRENT",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-07",
        "last_updated": "2022-11-28",
        "certification_date": "2022-11-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "AZ",
            "license": "85758",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "250013578",
            "state": "NV"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gregory.walker.1@1576.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "6130 N La Cholla Blvd Ste 135A",
            "city": "Tucson",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "857413557",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Brian Jens Walker, PH.D.
• Bryce Frank Walker, DMD
• Christell Walker
• Elaine M. Walker, PA-C
• Elise Walker
• Janet Walker, MA, NCC, LPC, LISAC
• Jessica Walker, LMT, NCTMB
• Jessica Ileen Walker, FNP-C
• John Walker, RPH
• Jonathan R Walker, MD

• Orthopaedic Foot and Ankle Surgery Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Orthopaedic Foot and Ankle Surgery Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 28, 2022; 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.