Samantha Luanne Guy, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

61595 Issued in CA

Practice address

2470 Hilborn Rd Ste 100
Fairfield, CA 94534-1100

Phone

(707) 646-6400

Fax

(707) 646-6402

NPI assigned

Jun 24, 2013

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 CA

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, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northbay Health Medical FoundationGroup PAC ID 3274010871, 207 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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.

• Northbay Health Medical Foundation

  dba NorthBay Health Medical Network

  • Internal Medicine Physician
  • Fairfield, CA
  • NPI 1760283527
  Medicare reassignment Care Compare group NPD
• Northbay Healthcare Group

  dba dba NorthBay Medical Center

  • General Acute Care Hospital
  • Fairfield, CA
  • NPI 1821147786
  Medicare reassignment NPD
• Northbay Healthcare Group

  dba NorthBay VacaValley Hospital

  • Multi-Specialty Clinic/Center
  • Vacaville, CA
  • NPI 1760534713
  NPD

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

{
    "created_epoch": "1372032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762300800000",
    "number": "1467891366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2470 HILBORN RD STE 100",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945341100",
            "telephone_number": "707-646-6400",
            "fax_number": "707-646-6402"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2470 HILBORN RD STE 100",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945341100",
            "telephone_number": "707-646-6400",
            "fax_number": "707-646-6402"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUY",
        "first_name": "SAMANTHA",
        "middle_name": "LUANNE",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-06-24",
        "last_updated": "2025-11-05",
        "certification_date": "2025-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "61595",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Beatriz Gutierrez
• Crystal Gutierrez
• Ivan Gutierrez
• Svetlana T Gutierrez, M.D.
• Yanely Gutierrez
• Zairy Guzman Parra
• Jahayra Guzman Silva
• Steven G Gwiazdowski, MD
• Hana L Ha
• Lawrence Joseph Haas, LCSW

• Physician Assistant in Fairfield, CA
• Providers in Fairfield, CA by specialty
• Physician Assistant in California

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