Sandra Lynn Nibbelink Ahearn, NP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

NP95007904 Issued in CA

Practice address

3300 Vista Way Ste B
Oceanside, CA 92056-3633

Phone

(760) 967-9900

Fax

(760) 967-6769

NPI assigned

Oct 4, 2018

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

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Balboa Nephrology Medical Group IncGroup PAC ID 9638164015, 78 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/
• Direct secure messaging: snibbelinkahearn36649@direct.acumenmd.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.

• Balboa Nephrology Medical Group, Inc.

  • Nephrology Physician
  • San Diego, CA
  • NPI 1316997505

  Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Richard a Weiner MD Inc

  • Pain Medicine Physician
  • Temecula, CA
  • NPI 1386797769
  Medicare reassignment NPD
• Balboa Nephrology Medical Group,Inc.

  • Ambulatory Surgical Clinic/Center
  • San Diego, CA
  • NPI 1598276404
  NPD

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

{
    "created_epoch": "1538611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1326513441",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9373 HAZARD WAY STE 200",
            "address_2": "STE 200",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921231226",
            "telephone_number": "858-810-8000",
            "fax_number": "858-268-1911"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3300 VISTA WAY STE B",
            "city": "OCEANSIDE",
            "state": "CA",
            "postal_code": "920563633",
            "telephone_number": "760-967-9900",
            "fax_number": "760-967-6769"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIBBELINK AHEARN",
        "first_name": "SANDRA",
        "middle_name": "LYNN",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-04",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "NP95007904",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tuan D. Nguyen, M.D.
• Uyen Tran Phuong Nguyen, RPH
• Victoria Nguyen
• Nima Niakishargh, DPT
• Edward D. Niavez, L.V.N.
• Nicole B Nicholas
• Melanie Nichols, PA-C
• Michelle Dimond Nichols, MS, RDN
• Ray Nicholson
• Leah J Nielsen IV

• Family Nurse Practitioner in Oceanside, CA
• Providers in Oceanside, CA by specialty
• Family Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 16, 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.