Lia Renee Westhafer, MSPAS, PA-C
Physician Assistant · Daly City, CA
Lia Renee Westhafer, MSPAS, PA-C is a physician assistant with a practice address in Daly City, California, and NPI 1174128201, issued on Dec 4, 2020. Check the license (California PA58933, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lia Renee Westhafer
- Credential
- MSPAS, PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA58933 CA
Self-reported in NPPES; status is on the state search - Practice location
- 901 Campus Dr, Daly City, CA 94015
- Phone
- (650) 652-8290
- Enumerated
- Dec 4, 2020
- Record last updated
- Aug 2, 2023
- Medicare enrollment
- Enrolled (PECOS I20220502001095); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 901 Campus Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devi Ananda, M.D.Pediatrics Physician1427146356
- Emanuel Berston, MDPediatrics Physician1649346636
- Thomas Bowstead, M.D.Pulmonary Disease Physician1801828181
- Alice Breder, MDPediatrics Physician1215053897
- Mary Brzostowicz, M.D.Specialist1487683819
- Violeta CarneroPediatrics Physician1609928399
Verify Lia Renee Westhafer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA58933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average physician assistant in 2024
124 Medicare Part D claims for 57 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Meloxicam39 claims
- Oxycodone Hcl26 claims
- Amoxicillin11 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: $149.99
1 payment: food and beverage; the largest payer was Medical Device Business Services, 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 physician assistant records list a practice address in Daly City
They are 19 of the 1,606 NPPES records with a practice address in Daly City, and 14,451 physician assistant records in California.
All 19 in Daly City → All 14,451 in California → Every provider in Daly City →
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
- Terri Abbott, P.A.La Jolla, CA1811165566
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
Common questions
What is Lia Renee Westhafer, MSPAS, PA-C's NPI number?
Lia Renee Westhafer, MSPAS, PA-C's National Provider Identifier (NPI) is 1174128201, issued on Dec 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Lia Renee Westhafer, MSPAS, PA-C located?
The NPPES record lists a practice address at 901 Campus Dr, Daly City, CA, 94015. Phone: (650) 652-8290. Providers update this record themselves, so call before visiting.
How can I verify Lia Renee Westhafer, MSPAS, PA-C's license?
NPPES lists California license number PA58933, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lia Renee Westhafer, MSPAS, PA-C prescribe under Medicare Part D?
In 2024, Lia Renee Westhafer, MSPAS, PA-C had 124 Medicare Part D claims for 57 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.