Diane Holzer, PA-C
NPI 1023168879 · Physician Assistant · Point Reyes Station, CA
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Holzer, PA-C is a Physician Assistant provider in Point Reyes Station, CA (NPI 1023168879).
Provider details
- NPI number
- 1023168879
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 13354 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 44 | — |
| Lisinopril | 38 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 27 | — |
| Losartan Potassium | 24 | — |
| Lorazepam | 24 | — |
| Oxycodone Hcl | 18 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-12
- Last updated
- 2022-01-31
- Certified
- 2022-01-31
Frequently asked questions
- What is Diane Holzer's NPI number?
- Diane Holzer's National Provider Identifier (NPI) is 1023168879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Holzer's specialty?
- Diane Holzer is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Holzer located?
- Diane Holzer's practice location on file with NPPES is 6 B Street, Point Reyes Station, CA 94956.
- What is Diane Holzer's phone number?
- The practice phone number listed in the NPPES registry for Diane Holzer is (415) 663-8666.
- Does Diane Holzer accept Medicare?
- Diane Holzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Holzer's NPI active?
- Yes — Diane Holzer's NPI (1023168879) is active in the NPPES registry as of the last update on 2022-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.