Katherine Griffin, NP
NPI 1790866937 · Nurse Practitioner · Fairfield, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Griffin, NP is a Nurse Practitioner provider in Fairfield, CA (NPI 1790866937).
Provider details
- NPI number
- 1790866937
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP9838 (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
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 210 | 64 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 82 | 38 |
| Montelukast Sodium | 53 | 22 |
| Prednisone | 50 | 31 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 48 | 14 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 43 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$239 across 11 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
Additional practice locations (1)
- 770 Mason StVacaville, CA 95688-4646Phone: (707) 454-5800Fax: (707) 454-5932
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2022-07-21
Frequently asked questions
- What is Katherine Griffin's NPI number?
- Katherine Griffin's National Provider Identifier (NPI) is 1790866937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Griffin's specialty?
- Katherine Griffin is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Griffin located?
- Katherine Griffin's practice location on file with NPPES is 2720 Low Ct, Fairfield, CA 94534-9771.
- What is Katherine Griffin's phone number?
- The practice phone number listed in the NPPES registry for Katherine Griffin is (707) 427-4900.
- Does Katherine Griffin accept Medicare?
- Katherine Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Griffin's NPI active?
- Yes — Katherine Griffin's NPI (1790866937) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.