Robert A Larson, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036.179662 Issued in IL

Practice address

5666 E State St
Rockford, IL 61108-2425

Phone

(815) 519-6087

NPI assigned

Mar 29, 2022

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 CA, IL2 enrollments

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 2

Specialty

Internal Medicine

Education

Midwestern University, Chicago College of Osteopathic Med, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Osf Multi-Specialty GroupGroup PAC ID 3678889789, 2,123 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Osf Multi-Specialty Group

  • Internal Medicine Physician
  • Peoria, IL
  • NPI 1922445527
  Medicare reassignment Care Compare group
• Bartz-Altadonna Community Health Center

  • Community/Retail Pharmacy
  • Lancaster, CA
  • NPI 1700672011
  Medicare reassignment
• Bartz-Altadonna Community Health Center

  • Federally Qualified Health Center (FQHC)
  • Lancaster, CA
  • NPI 1811279763
  NPD (past)

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

{
    "created_epoch": "1648512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780617600000",
    "number": "1902546963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7431 THOMAS DR",
            "city": "LOVES PARK",
            "state": "IL",
            "postal_code": "611115387",
            "telephone_number": "815-519-6087"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5666 E STATE ST",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611082425",
            "telephone_number": "815-519-6087"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSON",
        "first_name": "ROBERT",
        "middle_name": "A",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-29",
        "last_updated": "2026-06-05",
        "certification_date": "2026-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036.179662",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kelley Nicole Larson, LSW
• Kerry Larson
• Lisa A. Larson, APRN
• Mae Marie Larson
• Mary S Larson
• Paula S Lash, OTR/L
• Amy Lask, DNP, FNP-BC
• Sheikh Latif, M.D.
• Hiului Lau, MD
• Karen E Lauer, LMFT

• Internal Medicine Physician in Rockford, IL
• Providers in Rockford, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 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.