Roy Carl Shannon, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

C35734 Issued in CA

Practice address

2721 Olive Hwy
Ste 12
Oroville, CA 95966

Phone

(530) 533-6061

Fax

(530) 533-4438

NPI assigned

Apr 14, 2006

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

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

All facility ownership & control disclosures 10

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

Owned or controlled facilities with NPI records 10

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Oroville Hospital

  • Rural Health Clinic/Center
  • Oroville, CA
  • NPI 1063750297

  Corporate Director

  CMS ownership
• Oroville Hospital

  • Skilled Nursing Facility
  • Oroville, CA
  • NPI 1427006485

  Corporate Officer

  CMS ownership
• Oroville Hospital

  • Rural Health Clinic/Center
  • Oroville, CA
  • NPI 1538437355

  Corporate Director

  CMS ownership
• Oroville Hospital

  • Clinic/Center
  • Oroville, CA
  • NPI 1598869828

  Corporate Director

  CMS ownership
• Oroville Hospital

  • Rural Health Clinic/Center
  • Oroville, CA
  • NPI 1659849529

  Corporate Officer

  CMS ownership
• Oroville Hospital

  • Clinic/Center
  • Oroville, CA
  • NPI 1679581557

  Corporate Director

  CMS ownership
• Oroville Hospital

  • Rural Health Clinic/Center
  • Oroville, CA
  • NPI 1740583095

  Corporate Director

  CMS ownership
• Oroville Hospital

  • Clinic/Center
  • Oroville, CA
  • NPI 1780788018

  Corporate Director

  CMS ownership
• Oroville Hospital

  • General Acute Care Hospital
  • Oroville, CA
  • NPI 1871606269

  Corporate Director

  CMS ownership
• Oroville Hospital

  • Clinic/Center
  • Oroville, CA
  • NPI 1871697102

  Corporate Officer

  CMS ownership

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.

• Orohealth Corporation a Non Profit Healthcare System

  • Family Medicine Physician
  • Oroville, CA
  • NPI 1013933167

  CA, Internal Medicine

  Medicare reassignment NPD
• Oroville Internal Medicine Medical Group,Inc.

  • Specialist
  • Oroville, CA
  • NPI 1225041114
  NPD (past)

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

{
    "created_epoch": "1144972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1104880335",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2721 OLIVE HWY",
            "address_2": "STE 12",
            "city": "OROVILLE",
            "state": "CA",
            "postal_code": "95966",
            "telephone_number": "530-533-6061",
            "fax_number": "530-533-4438"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2721 OLIVE HWY",
            "address_2": "STE 12",
            "city": "OROVILLE",
            "state": "CA",
            "postal_code": "95966",
            "telephone_number": "530-533-6061",
            "fax_number": "530-533-4438"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHANNON",
        "first_name": "ROY",
        "middle_name": "CARL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C35734",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0014101",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Supriya Sethi
• Shadowbrook Health Care, Inc.
• Shadowbrook Post Acute LLC
• Ravi Yatin Shah, PHARMD
• Unnati Shah, MD
• Preeti Shenoy
• Paula Lee Shetrone
• Chih Jung Shieh, M.D.
• Daniela Shoemaker, RN
• Justin Ryan Shupe

• All providers in Oroville, CA
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.