Grace O'Brien, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA22820 Issued in CA

Practice address

6544 Lonetree Blvd
Rocklin, CA 95765-5874

Phone

(916) 925-7020

Fax

(916) 925-3680

NPI assigned

Feb 13, 2013

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

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gobrien233836@hpmg.direct-ci.net
• Direct secure messaging: gobrien162335@hisp.ehr.sutterhealth.org

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.

• Vituity-California Observation Services PC

  • Emergency Medicine Physician
  • Roseville, CA
  • NPI 1386356277
  Medicare reassignment NPD
• Cep America - California

  • Emergency Medicine Physician
  • San Francisco, CA
  • NPI 1023063542
  Medicare reassignment
• Pacific Skin Institute

  • Procedural Dermatology Physician
  • Sacramento, CA
  • NPI 1184027104
  Medicare reassignment
• Cep America - California

  • Emergency Medicine Physician
  • Carmichael, CA
  • NPI 1780938704
  NPD

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

{
    "created_epoch": "1360713600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1184963928",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1495 RIVER PARK DR STE 200",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958154517",
            "telephone_number": "916-925-7020",
            "fax_number": "916-925-3680"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6544 LONETREE BLVD",
            "city": "ROCKLIN",
            "state": "CA",
            "postal_code": "957655874",
            "telephone_number": "916-925-7020",
            "fax_number": "916-925-3680"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "550 Plaza Dr Ste 120",
            "address_purpose": "LOCATION",
            "city": "Folsom",
            "state": "CA",
            "postal_code": "956304779",
            "country_code": "US",
            "telephone_number": "916-925-7020",
            "fax_number": "916-925-3680",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "GRACE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-02-13",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA22820",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jeanette Nuno, CMT
• Taylah Nusser
• Patrick Nwaukoni
• Jared Nyagol
• Abigail Raye Nye
• Andrea Lee O'Donnell, M.S. CCC-SLP
• Caitlin O'Malley, PA
• Michelle Elizabeth O'Neill, SPEECH PATHOLOGIST
• Hope Nicole O'Quinn
• Jennifer Ann O'Toole, PTA

• Physician Assistant in Rocklin, CA
• Providers in Rocklin, 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 6, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.