Cecily Ann Marie Arenas, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

NP18536 Issued in CA

Practice address

1595 Grand Ave Ste 106
San Marcos, CA 92078-2450

Phone

(760) 736-6767

NPI assigned

Nov 20, 2008

Last updated

Jun 9, 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 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, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Regents of the University of CaliforniaGroup PAC ID 3577476761, 2,047 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UC San Diego Health Hillcrest - Hillcrest Med Ctr Hospital, San Diego, CA, CCN 050025

Merit-based Incentive Payment System (MIPS)

Final score

90.77 of 100Reported as group

Quality

84.13

Promoting interoperability

100

Improvement activities

40

Cost

73.88

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Regents of the University of California

  • Family Medicine Physician
  • San Diego, CA
  • NPI 1578672184
  Medicare reassignment Care Compare group NPD
• North County Health Project Inc

  dba TrueCare

  • Federally Qualified Health Center (FQHC)
  • San Marcos, CA
  • NPI 1245246917
  Medicare reassignment
• Regents of the University of California

  • Cardiovascular Disease Physician
  • San Diego, CA
  • NPI 1427176338
  NPD
• Regents of the University of California

  • Diagnostic Radiology Physician
  • San Diego, CA
  • NPI 1558463927
  NPD
• Regents of the University of California Ucsd Head and Neck Surgery

  • Otolaryngology Physician
  • San Diego, CA
  • NPI 1679509962
  NPD (past)

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

• Regents of the University of California

  dba UCSD Medical Center

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1184722779
  Care Compare affiliation

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

{
    "created_epoch": "1227139200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1700031507",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 VALPREDA RD",
            "city": "SAN MARCOS",
            "state": "CA",
            "postal_code": "920692973",
            "telephone_number": "760-736-6767"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1595 GRAND AVE STE 106",
            "city": "SAN MARCOS",
            "state": "CA",
            "postal_code": "920782450",
            "telephone_number": "760-736-6767"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARENAS",
        "first_name": "CECILY",
        "middle_name": "ANN MARIE",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-11-20",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "NP18536",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carlos Aquino
• Rachel Anna Arakawa
• Mona Arasoghli, M.D.
• Arch Health Partners (Palomar Health Medical Group)
• Griselda Arellano
• Blanca Arias, LCSW
• Lynda Rae Ariella, PHD
• Marcela Armas-Nunez
• Annie Arnold
• Donna Lee Arreguin

• Family Nurse Practitioner in San Marcos, CA
• Providers in San Marcos, 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 Jun 9, 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.