Gary Mitchell Westbrock, PA
Physician Assistant · San Luis Obispo, CA
Gary Mitchell Westbrock, PA is a physician assistant with a practice address in San Luis Obispo, California, and NPI 1053371377, issued on Mar 23, 2006. Check the license (California PA16139, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary Mitchell Westbrock
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA16139 CA
Self-reported in NPPES; status is on the state search - Practice location
- 715 Tank Farm RD Ste A, San Luis Obispo, CA 93401
- Phone
- (805) 541-4018
- Enumerated
- Mar 23, 2006
- Record last updated
- Nov 26, 2024
- Fax
- (805) 543-6271
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Gary Mitchell Westbrock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA16139Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
180 Medicare Part D claims for 66 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Ketoconazole33 claims
- Doxycycline Monohydrate15 claims
- Mupirocin14 claims
- Desoximetasone11 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: $54.72
3 payments; by number, the most common kind was food and beverage; the largest payer was Sobi, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Gary Mitchell Westbrock among 14,451 physician assistant records in California
Gary Mitchell Westbrock, PA is one of 14,451 physician assistant records with a practice address in California. 75% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 physician assistant records list a practice address in San Luis Obispo
They are 58 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Luis Obispo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anne Barnett, PASan Luis Obispo, CA 934011811948235
- Julia Davison, PA-CSan Luis Obispo, CA 934011235116955
- Michael Doyle, PASan Luis Obispo, CA 934011245645050
- Aimee Hoffman, PASan Luis Obispo, CA 934011154527109
- Yvonne Jones-Wicks, PA-CSan Luis Obispo, CA 934011477646610
- Richard Marks, P.A.C.San Luis Obispo, CA 934011952496556
- Blair Monell, PASan Luis Obispo, CA 934011255617544
- Jennifer Owen, ATC, PA-CSan Luis Obispo, CA 934011982756052
Common questions
What is Gary Mitchell Westbrock, PA's NPI number?
Gary Mitchell Westbrock, PA's National Provider Identifier (NPI) is 1053371377, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Mitchell Westbrock, PA located?
The NPPES record lists a practice address at 715 Tank Farm RD Ste A, San Luis Obispo, CA, 93401. Phone: (805) 541-4018. Providers update this record themselves, so call before visiting.
How can I verify Gary Mitchell Westbrock, PA's license?
NPPES lists California license number PA16139, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gary Mitchell Westbrock, PA prescribe under Medicare Part D?
In 2024, Gary Mitchell Westbrock, PA had 180 Medicare Part D claims for 66 beneficiaries; the average among physician assistant prescribers was 830. 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.