Katherine P. Griffin, NP
Nurse Practitioner · Fairfield, CA
Katherine P. Griffin, NP is a nurse practitioner with a practice address in Fairfield, California, and NPI 1790866937, issued on Oct 17, 2006. Check the license (California NP9838, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine P. Griffin
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- NP9838 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2720 Low CT, Fairfield, CA 94534
- Phone
- (707) 427-4900
- Enumerated
- Oct 17, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (707) 436-2507
- Medicaid ID
- RN468618 CA
- Medicare enrollment
- Enrolled (PECOS I20111212000704); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 2720 Low CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reshtina Alamzai, D.O.Family Medicine Physician1336550680
- Nicole Arthur, M.D.Family Medicine Physician1104188697
- Baninder Baidwan, D.O.Pediatrics Physician1093246688
- Gabriela Carrico, DNP, FNPFamily Nurse Practitioner1154939163
- Lawrence Cooney, MDPediatrics Physician1770670085
- Jennifer Culp, RDRegistered Dietitian1366698045
Verify Katherine P. Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP9838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average nurse practitioner in 2024
1,200 Medicare Part D claims for 317 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Trelegy Ellipta210 claims
- Albuterol Sulfate Hfa82 claims
- Montelukast Sodium53 claims
- Prednisone50 claims
- Breo Ellipta48 claims
- Breztri Aerosphere43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $238.63
11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine P. Griffin among 8,223 nurse practitioner records in California
Katherine P. Griffin, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1998 · median 2017 among the 3,425 with a school on file
- Record last updated2022 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Fairfield → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Rokzanne Dosier, FNP-C, RNFAFairfield, CA 945341861004533
- Kiran Judge, NPFairfield, CA 945341831792647
- Annalissa Pena, FNP-CFairfield, CA 945341518843978
- Natalia Roberts, FNPFairfield, CA 945341255901799
- Jane Scott, NPFairfield, CA 945341780774471
- Darlinda Shirmard, N.P.Fairfield, CA 945341669688867
- Christina Birch, N.P.Travis Afb, CA 945351902009624
- Ruth Ann Blando, NPTravis Afb, CA 945351952606675
Common questions
What is Katherine P. Griffin, NP's NPI number?
Katherine P. Griffin, NP's National Provider Identifier (NPI) is 1790866937, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine P. Griffin, NP located?
The NPPES record lists a practice address at 2720 Low CT, Fairfield, CA, 94534. Phone: (707) 427-4900. Providers update this record themselves, so call before visiting.
How can I verify Katherine P. Griffin, NP's license?
NPPES lists California license number NP9838, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine P. Griffin, NP prescribe under Medicare Part D?
In 2024, Katherine P. Griffin, NP had 1,200 Medicare Part D claims for 317 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.