Erin Griffin, PA
NPI 1891335766 · Physician Assistant · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Griffin, PA is a Physician Assistant provider in Santa Rosa, CA (NPI 1891335766).
Provider details
- NPI number
- 1891335766
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 57574 (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 tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 167 | 71 |
| Potassium Chloride | 43 | 20 |
| Tamoxifen Citrate | 42 | 22 |
| Acyclovir | 41 | 13 |
| Prednisone | 31 | 18 |
| Hydroxyurea | 28 | 18 |
| Lorazepam | 25 | 21 |
| Fluconazole | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$79 across 1 record (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
- 2020-01-08
- Last updated
- 2024-02-27
- Certified
- 2024-02-27
Frequently asked questions
- What is Erin Griffin's NPI number?
- Erin Griffin's National Provider Identifier (NPI) is 1891335766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Griffin's specialty?
- Erin Griffin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Griffin located?
- Erin Griffin's practice location on file with NPPES is 401 Bicentennial Way, Santa Rosa, CA 95403-2149.
- What is Erin Griffin's phone number?
- The practice phone number listed in the NPPES registry for Erin Griffin is (707) 393-4000.
- Does Erin Griffin accept Medicare?
- Erin Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Griffin's NPI active?
- Yes — Erin Griffin's NPI (1891335766) is active in the NPPES registry as of the last update on 2024-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.