Gaynelle De Guzman

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

95011460 Issued in CA

Practice address

4240 Highland Ave
Highland, CA 92346-2764

Phone

(909) 864-4700

Fax

(909) 864-4300

NPI assigned

Mar 31, 2019

Last updated

Mar 24, 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

Merit-based Incentive Payment System (MIPS)

Final score

99.64 of 100Reported as apm

Quality

86.27

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

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.

• Namita Mohideen MD Inc

  • Primary Care Clinic/Center
  • Fontana, CA
  • NPI 1649546144
  Medicare reassignment NPD (past)
• Golden State Primary Care Inc

  • General Practice Physician
  • Fontana, CA
  • NPI 1124987201
  NPD (past)

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

{
    "created_epoch": "1553990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774310400000",
    "number": "1609337625",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4240 HIGHLAND AVE",
            "city": "HIGHLAND",
            "state": "CA",
            "postal_code": "923462764",
            "telephone_number": "909-864-4700",
            "fax_number": "909-864-4300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4240 HIGHLAND AVE",
            "city": "HIGHLAND",
            "state": "CA",
            "postal_code": "923462764",
            "telephone_number": "909-864-4700",
            "fax_number": "909-864-4300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2150 N Waterman Ave Ste 202",
            "address_purpose": "LOCATION",
            "city": "San Bernardino",
            "state": "CA",
            "postal_code": "924044811",
            "country_code": "US",
            "telephone_number": "909-674-1600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DE GUZMAN",
        "first_name": "GAYNELLE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-31",
        "last_updated": "2026-03-24",
        "certification_date": "2026-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95011460",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Crystals Dialysis LLC (Highland Ranch Dialysis Center)
• Cecilie D'Anna, ACSW
• Angela Sovatha Dao, MSW, MPA
• Laura Lee Darnell, R.D.
• Davony Medical Group Inc
• Nicole Dees, RN
• Brianna Rose Delpilar, PHARMD
• Samuel A Demirdji, DDS, MS, PHD
• Dhaval Shah DDS Inc
• Fernando Diaz, MPH

• Family Nurse Practitioner in Highland, CA
• Providers in Highland, 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 Mar 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.