Individual provider Active NPI

G. Alden Holmes, MD

  • Student in an Organized Health Care Education/Training Program
  • Loma Linda, CA
National Provider Identifier
1689177453
Registry record updated Jul 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X
License
A164631 Issued in CA
Practice address
25865 Barton Rd Ste 101
Loma Linda, CA 92354-3896
Phone
(909) 558-2890
NPI assigned
Mar 17, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 18, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X A164631 CA Primary

Addresses

Primary practice location

25865 Barton Rd Ste 101
Loma Linda, CA 92354-3896

Mailing address

25865 Barton Rd Ste 101
Loma Linda, CA 92354-3896
Phone (909) 558-2890

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220831003231 CA Practitioner - Dermatology 1052795598 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Practice addresses (Care Compare)

1950 Sunny Crest Dr
Suite 2900
Fullerton, CA 92835-3641
Phone (714) 992-5350

4300 Rose Dr
Yorba Linda, CA 92886-2026
Phone (714) 577-6601

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision27
Removal of tissue1-10
Removal of skin lesions753
Removal of nail tissue1-10
Skin biopsy428

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Medical Foundation CurrentSince Aug 1, 2022 Accepting new patients
Providence Medical Foundation Current Accepting new patients
Providence Medical Foundation CurrentSince Aug 1, 2022 Accepting new patients
St Jude Hospital Inc Past Accepting new patients

Locations

200 W Ctr St Promenade
Ste 300
Anaheim, CA 92805
Phone (714) 449-4841

1950 Sunny Crest Dr
Ste 2900
Fullerton, CA 92835

100 E Valencia Mesa Dr
Ste 105
Fullerton, CA 92835
Phone (714) 446-5200

4300 Rose Dr
Yorba Linda, CA 92886
Phone (714) 528-4211

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: gholmes2490818@oc.providencedirect.org

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1521244800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784332800000",
    "number": "1689177453",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25865 BARTON RD STE 101",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923543896",
            "telephone_number": "909-558-2890"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25865 BARTON RD STE 101",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923543896",
            "telephone_number": "909-558-2890"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLMES",
        "first_name": "G. ALDEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-17",
        "last_updated": "2026-07-18",
        "certification_date": "2026-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": "A164631",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Loma Linda, CA

Sources for this page

Verify at the official NPI Registry.