Robert L Barclay, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

C-205058 Issued in CA

Practice address

401 Roxbury Rd
Rockford, IL 61107-5075

Phone

(815) 397-7340

Fax

(815) 484-7864

NPI assigned

Sep 22, 2005

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

Medicare fee-for-service enrollment

Enrolled in CA

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

GastroenterologyAlso: Internal Medicine

Education

University of Toronto, Faculty of Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Adventist Health Physicians NetworkGroup PAC ID 3274580972, 628 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventist Health Sierra Vista Hospital, San Luis Obispo, CA, CCN 050506

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Adventist Health Physicians Network

  • Multi-Specialty Clinic/Center
  • Hanford, CA
  • NPI 1063718583

  CA

  Medicare reassignment Care Compare group
• Rockford Gastroenterology Associates, LTD.

  • Specialist
  • Rockford, IL
  • NPI 1447207741

  Gastroenterology

  NPD
• Rockford Gastroenterology Associates, LTD.

  • Ambulatory Surgical Clinic/Center
  • Rockford, IL
  • NPI 1871536763
  NPD

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

• Sierra Vista Hospital, Inc.

  • General Acute Care Hospital
  • San Luis Obispo, CA
  • NPI 1639101116

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1127347200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761782400000",
    "number": "1073509337",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 ROXBURY RD",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611075075",
            "telephone_number": "815-397-7340",
            "fax_number": "815-397-2156"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 ROXBURY RD",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611075075",
            "telephone_number": "815-397-7340",
            "fax_number": "815-484-7864"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARCLAY",
        "first_name": "ROBERT",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-22",
        "last_updated": "2025-10-30",
        "certification_date": "2025-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "36104379",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "C-205058",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036104379",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lesly Y Banos, DMD
• Errol Christopher Baptist, M.D.
• Sarah Baranski, MMN, RDN
• Mark L. Barba, MD
• Barbara Olson Center of Hope
• Austin M Barger, DPT
• Jacoda Barger
• Humaira Bari, MD
• Alvydas J Baris, MD
• Careena Whisper-Marie Barker

• All providers in Rockford, IL
• Gastroenterology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 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.