Mark Randall Wallace, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

19816 Issued in AZ

Practice address

13400 E Shea Blvd
Scottsdale, AZ 85259

Phone

(480) 301-8000

NPI assigned

Jun 14, 2005

Sex

Male

Sole proprietor

No

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 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

Internal Medicine

Education

Indiana University School of Medicine, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mayo Clinic ArizonaGroup PAC ID 7012829930, 1,618 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mayo Clinic Hospital Hospital, Phoenix, AZ, CCN 030103
• Banner - University Medical Center Phoenix Hospital, Phoenix, AZ, CCN 030002

Merit-based Incentive Payment System (MIPS)

Final score

86.47 of 100Reported as group

Quality

78.27

Promoting interoperability

100

Improvement activities

40

Cost

76.62

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Mayo Clinic Arizona

  • Multi-Specialty Clinic/Center
  • Scottsdale, AZ
  • NPI 1558332494
  Medicare reassignment Care Compare group NPD
• Partners in Medicine PC

  • Internal Medicine Physician
  • Phoenix, AZ
  • NPI 1073668125
  NPD (past) Authorized official
• Mayo Clinic Arizona

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1699520049
  NPD

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

• Banner - University Medical Center Phoenix

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1841224870
  Care Compare affiliation
• Mayo Clinic Arizona

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1154392231
  Care Compare affiliation

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

{
    "created_epoch": "1118707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1932104205",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13400 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852595452",
            "telephone_number": "480-301-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13400 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "85259",
            "telephone_number": "480-301-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALLACE",
        "first_name": "MARK",
        "middle_name": "RANDALL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-14",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "19816",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cayce Wallace, DMD
• Jamie Russelle Wallace, MD
• Lauren Wallace
• Logan Wallace, LCSW
• Loran Paige Wallace, LPC
• Tram T Wallen, DNP, APRN, C-NP
• Cathy Walls, PSY.D.
• William Wallstrom, P.T.
• Walmart Inc.
• Walmart Inc.

• Internal Medicine Physician in Scottsdale, AZ
• Providers in Scottsdale, AZ by specialty
• Internal Medicine Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.