Erin Grigg, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AP7794 Issued in AZ

Practice address

6261 N la Cholla Blvd Ste 3
Tucson, AZ 85741-3565

Phone

(520) 877-3800

Fax

(520) 877-3801

NPI assigned

May 16, 2015

Last updated

Feb 4, 2026By the provider in NPPES

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 AZ

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

Nurse Practitioner

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Genesis OB GYN PLLCGroup PAC ID 4284724279, 109 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Oro Valley Hospital Hospital, Oro Valley, AZ, CCN 030114
• Northwest Medical Center Hospital, Tucson, AZ, CCN 030085

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Interoperability endpoints

• Direct secure messaging: erin.grigg.1@19050.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Genesis OB GYN PLLC

  • Obstetrics & Gynecology Physician
  • Tucson, AZ
  • NPI 1992994214
  Medicare reassignment Care Compare group

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

• Northwest Hospital LLC

  dba Northwest Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1487607784
  Care Compare affiliation
• Oro Valley Hospital LLC

  dba Oro Valley Hospital

  • General Acute Care Hospital
  • Oro Valley, AZ
  • NPI 1386697688
  Care Compare affiliation

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

{
    "created_epoch": "1431734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1720466238",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 81064",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441810064",
            "telephone_number": "520-392-7500",
            "fax_number": "520-323-4350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6261 N LA CHOLLA BLVD STE 3",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857413565",
            "telephone_number": "520-877-3800",
            "fax_number": "520-877-3801"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1521 E Tangerine Rd Ste 209",
            "address_purpose": "LOCATION",
            "city": "Oro Valley",
            "state": "AZ",
            "postal_code": "857556218",
            "country_code": "US",
            "telephone_number": "520-545-0573",
            "fax_number": "520-297-5597",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRIGG",
        "first_name": "ERIN",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-05-16",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "AP7794",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Griffith, RD
• Linda Griffith, L.C.S.W., D.C.S.W.
• Mary L Griffitts
• Amparo Grigera, FNP-BC
• Sofia Grigera, NURSE PRACTITIONER
• Roland Griggs
• Brianna Grigsby
• Edward Grijalva Sr.
• Norma Alicia Grijalva
• Amy Lyn Grimes, O.D.

• Family Nurse Practitioner in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Family Nurse Practitioner in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 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.