Jonathan Sam Davidson, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

G66389 Issued in CA

Practice address

2288 Auburn Blvd Ste 101
Sacramento, CA 95821-1619

Phone

(916) 699-8592

NPI assigned

Dec 27, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

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

Gastroenterology

Education

Other, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-usa.unify.chbase.com/org/colusar-7905f953
• Direct secure messaging: jonathan.davidson.1@27779.direct.athenahealth.com

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.

• Advanced Sleep and Gastroenterology Laboratories, Inc

  • Gastroenterology Physician
  • Modesto, CA
  • NPI 1073947305
  NPD Authorized official
• Gastro Physicians of California, Inc.

  • Gastroenterology Physician
  • Sacramento, CA
  • NPI 1053071241
  NPD Authorized official
• Colusa Medical Center, LLC

  • Rural Health Clinic/Center
  • Orland, CA
  • NPI 1215406400
  NPD (past)
• Emanuel Medical Center, Inc.

  • General Acute Care Hospital
  • Turlock, CA
  • NPI 1174615330
  NPD (past)

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

{
    "created_epoch": "1167177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755820800000",
    "number": "1295891224",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1658 CITADELLA DR",
            "city": "ROSEVILLE",
            "state": "CA",
            "postal_code": "957475022",
            "telephone_number": "916-699-8592"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2288 AUBURN BLVD STE 101",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958211619",
            "telephone_number": "916-699-8592"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAVIDSON",
        "first_name": "JONATHAN",
        "middle_name": "SAM",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-12-27",
        "last_updated": "2025-08-22",
        "certification_date": "2025-08-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G66389",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "CA",
            "license": "G66389",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "G66389",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1295891224",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Heather Rachel Davids, MD
• Jon Robert Davids, M.D.
• Deborah Ann Davidson Woods, PNP
• Haley Davidson
• Jennifer Star Davidson
• Loren T Davidson, M.D.
• Melissa Davidson X
• Nabil B Davidson
• Shanic Laurell Davidson, ASW
• Stacy Davidson, CPNP-AC

• Gastroenterology Physician in Sacramento, CA
• Providers in Sacramento, CA by specialty
• Gastroenterology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 22, 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.