Nathan Walker, PA
Physician Assistant · Santa Maria, CA
Nathan Walker, PA is a physician assistant with a practice address in Santa Maria, California, and NPI 1013790021, issued on Aug 14, 2023. Check the license (California 63612, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathan Walker
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 63612 CA
Self-reported in NPPES; status is on the state search - Practice location
- 116 S Palisade Dr Ste 200, Santa Maria, CA 93454
- Phone
- (805) 739-3968
- Enumerated
- Aug 14, 2023
- Entity
- Type 1 · individual
Also registered at 116 S Palisade Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karmon Cleary, FNP-CFamily Nurse Practitioner1174244651
- Tuvleen Kaur, NPPsychiatric/Mental Health Nurse Practitioner1609741818
- William Keightley, M.D.Psychiatry Physician1730241100
- Kevin Paluay, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1265927180
Verify Nathan 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 63612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.9 times the Medicare Part D claims of the average physician assistant in 2024
2,377 Medicare Part D claims for 314 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Lorazepam234 claims
- Clonazepam214 claims
- Quetiapine Fumarate148 claims
- Trazodone Hcl141 claims
- Sertraline Hcl111 claims
- Olanzapine100 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: $197.97
8 payments, mostly food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc.. The 61,144 providers of this specialty with any payment received $853.85 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.
One hospital or facility affiliation
- Pacific Central Coast Health CentersSanta Maria, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
149 physician assistant records list a Santa Maria practice address
They are 149 of the 3,047 NPPES records with a Santa Maria practice address, and 13,861 physician assistant records in California.
All 149 in Santa Maria → All 13,861 in California → Every provider in Santa Maria →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
- Fatimeh Abdallah, P.A.-CNewport Beach, CA1487002218
Common questions
What is Nathan Walker, PA's NPI number?
Nathan Walker, PA's National Provider Identifier (NPI) is 1013790021, issued on Aug 14, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Walker, PA located?
The NPPES record lists a practice address at 116 S Palisade Dr Ste 200, Santa Maria, CA, 93454. Phone: (805) 739-3968. Providers update this record themselves, so call before visiting.
How can I verify Nathan Walker, PA's license?
NPPES lists California license number 63612, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nathan Walker, PA prescribe under Medicare Part D?
In 2024, Nathan Walker, PA had 2,377 Medicare Part D claims for 314 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.