G. Alden Holmes, MD
NPI 1689177453 · Dermatology Physician · Yorba Linda, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
G. Alden Holmes, MD is a Dermatology Physician provider in Yorba Linda, CA (NPI 1689177453).
Provider details
- NPI number
- 1689177453
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A164631 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,972 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 867 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 237 | $98 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 205 | $48 |
| Biopsy of Related Skin Growth, First Growth11102 | 175 | $101 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 168 | $56 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 247 | 143 |
| Ketoconazole | 144 | 86 |
| Clobetasol Propionate | 96 | 41 |
| Tacrolimus | 79 | 48 |
| Fluorouracil | 79 | 71 |
| Doxycycline Hyclate | 77 | 50 |
| Mupirocin | 72 | 52 |
| Fluocinonide | 71 | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,217 across 51 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-17
- Last updated
- 2022-09-13
- Certified
- 2022-09-13
Frequently asked questions
- What is G. Alden Holmes's NPI number?
- G. Alden Holmes's National Provider Identifier (NPI) is 1689177453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is G. Alden Holmes's specialty?
- G. Alden Holmes is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is G. Alden Holmes located?
- G. Alden Holmes's practice location on file with NPPES is 4300 Rose Dr, Yorba Linda, CA 92886-2026.
- What is G. Alden Holmes's phone number?
- The practice phone number listed in the NPPES registry for G. Alden Holmes is (714) 577-6666.
- Does G. Alden Holmes accept Medicare?
- G. Alden Holmes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is G. Alden Holmes's NPI active?
- Yes — G. Alden Holmes's NPI (1689177453) is active in the NPPES registry as of the last update on 2022-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.