Hayley Ilene Risse, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

1860 Pennsylvania Ave Ste 110
Fairfield, CA 94533-3550

Phone

(707) 646-4692

Fax

(707) 646-4867

NPI assigned

Mar 10, 2022

Sex

Female

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

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, 2021

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)

Hospital & facility affiliations

• Northbay Medical Center Hospital, Fairfield, CA, CCN 050367
• Sutter Medical Center, Sacramento Hospital, Sacramento, CA, CCN 050108

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Interoperability endpoints

• Direct secure messaging: hrappoport173070@hpmg.direct-ci.net

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.

• Jiva Health, Inc

  • Internal Medicine Physician
  • Concord, CA
  • NPI 1285223552
  Medicare reassignment
• Northbay Health Medical Foundation

  • Internal Medicine Physician
  • Fairfield, CA
  • NPI 1760283527
  Care Compare group

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

• Northbay Healthcare Group

  • General Acute Care Hospital
  • Fairfield, CA
  • NPI 1821147786
  Care Compare affiliation
• Sutter Valley Hospitals

  • General Acute Care Hospital
  • Sacramento, CA
  • NPI 1811946734
  Care Compare affiliation

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

{
    "created_epoch": "1646870400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784851200000",
    "number": "1982352852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "782 BRAYDON PL UNIT 203",
            "city": "NAPA",
            "state": "CA",
            "postal_code": "945593070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1860 PENNSYLVANIA AVE STE 110",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945333550",
            "telephone_number": "707-646-4692",
            "fax_number": "707-646-4867"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RISSE",
        "first_name": "HAYLEY",
        "middle_name": "ILENE",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-10",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kaitlyn Riley
• Allison Elise Ringuette, DPT
• Michael A Rios Jr., RN
• Destiny Ripley
• Ripple Effect Psychological Services Inc.
• Carol Ritzinger, PHARMACYD
• Annalee Janine Rivas
• Yasmin B Rivera Castaneda
• Alicia Lynn Rivera
• Daniella Rivera, DO

• 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 Jul 24, 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.