Marissa Ann Walker, FNP
Family Nurse Practitioner · Exeter, CA
Marissa Ann Walker, FNP is a family nurse practitioner with a practice address in Exeter, California, and NPI 1528820578, issued on Jan 25, 2024. Check the license (California 95028660, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Ann Walker
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95028660 CA
Self-reported in NPPES; status is on the state search - Practice location
- 28959 Road 208, Exeter, CA 93221
- Phone
- (559) 280-7294
- Enumerated
- Jan 25, 2024
- Record last updated
- Jan 25, 2024
- Entity
- Type 1 · individual
Verify Marissa Ann Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95028660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
71 Medicare Part D claims for 37 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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: $13.92
1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
8 family nurse practitioner records list a practice address in Exeter
They are 8 of the 212 NPPES records with a practice address in Exeter, and 16,966 family nurse practitioner records in California.
All 8 in Exeter → All 16,966 in California → Every provider in Exeter →
Other family nurse practitioner records in California
- Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
- Joshua AaronMission Hills, CA1477291805
- Orly Aaron, NPSan Francisco, CA1376912451
- Paris Gilbert Russ AaronSacramento, CA1871079111
- Tiffanne Aaronsen, FNPIndio, CA1568191807
- Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
- Frances Abad, FNPLos Angeles, CA1053504514
- Nnenna AbaezeLong Beach, CA1457820763
- Raymond Abagat, FNPTorrance, CA1306685821
- Ashley AbalCastaic, CA1740140698
Common questions
What is Marissa Ann Walker, FNP's NPI number?
Marissa Ann Walker, FNP's National Provider Identifier (NPI) is 1528820578, issued on Jan 25, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Ann Walker, FNP located?
The NPPES record lists a practice address at 28959 Road 208, Exeter, CA, 93221. Phone: (559) 280-7294. Providers update this record themselves, so call before visiting.
How can I verify Marissa Ann Walker, FNP's license?
NPPES lists California license number 95028660, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Ann Walker, FNP prescribe under Medicare Part D?
In 2024, Marissa Ann Walker, FNP had 71 Medicare Part D claims for 37 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.