Katherine Welles Robert, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

5601004290 Issued in MI

Practice address

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000

Phone

(734) 936-5000

NPI assigned

Jun 5, 2006

Last updated

Mar 18, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Regents of the University of MichiganGroup PAC ID 3779496856, 3,344 clinicians

Medical Office of John Vassallo MD PLLCGroup PAC ID 8224045901, 7 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Trinity Health Livingston Hospital Hospital, Howell, MI, CCN 230069
• Trinity Health Ann Arbor Hospital Hospital, Ann Arbor, MI, CCN 230156
• University of Michigan Health System Hospital, Ann Arbor, MI, CCN 230046

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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.

• Medical Office of John Vassallo MD PLLC

  • Internal Medicine Physician
  • Howell, MI
  • NPI 1487712121
  Medicare reassignment Care Compare group
• Regents of the University of Michigan

  • Physician Assistant
  • Ann Arbor, MI
  • NPI 1689609448
  Medicare reassignment Care Compare group
• Livingston Internal Medicine, PC

  • Specialist
  • Howell, MI
  • NPI 1114966587
  Medicare reassignment

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

• Regents of the University of Michigan

  dba University of Michigan Health System

  • General Acute Care Hospital
  • Ann Arbor, MI
  • NPI 1003878539
  Care Compare affiliation
• Saint Joseph Mercy Livingston Hospital

  • General Acute Care Hospital
  • Brighton, MI
  • NPI 1093748642
  Care Compare affiliation
• St Joseph Mercy Hospital

  dba Trinity Heath Ann Arbor Hospital

  • General Acute Care Hospital
  • Ypsilanti, MI
  • NPI 1780658443
  Care Compare affiliation

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

{
    "created_epoch": "1149465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1285673210",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3621 S STATE ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081633",
            "telephone_number": "734-647-5299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2209 Euler Rd",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MI",
            "postal_code": "481146815",
            "country_code": "US",
            "telephone_number": "517-540-0709",
            "fax_number": "517-540-1775",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ROBERT",
        "first_name": "KATHERINE",
        "middle_name": "WELLES",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-05",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601004290",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "MI",
            "license": "5601004290",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Robert Eder LMSW, LLC
• Robert Goode, PH.D. PLLC
• Robert J Stevenson DDS PC
• Robert L. Tar DDS PLLC
• Robert M Zimmerman MD PC
• Anna Claire Roberts, LLMSW
• Chad Michael Roberts, CRNA
• Donald J Roberts
• Erik Andrew Roberts, MD
• Jessica Leanne Roberts, NP

• Physician Assistant in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Physician Assistant in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 18, 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.