Lauren E. Stark, PA-C
Physician Assistant · Fremont, CA
Lauren E. Stark, PA-C is a physician assistant with a practice address in Fremont, California, and NPI 1609161439, issued on Jun 9, 2011. Check the license (California PA21523, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lauren E. Stark
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA21523 CA
21523 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39350 Civic Center Dr Ste 300, Fremont, CA 94538
- Phone
- (510) 797-3933
- Enumerated
- Jun 9, 2011
- Record last updated
- Jan 11, 2022
- Fax
- (510) 797-5184
- Medicare enrollment
- Enrolled (PECOS I20110714000436); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 39350 Civic Center Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jaycob Delbarrio, DPTPhysical Therapist1659138329
- Julie Depper, PA-CPhysician Assistant1174953640
- Kelsey Frost, DPTPhysical Therapist1609483270
- Samantha GilleNurse Practitioner1558246819
- Joshua Vangompel, DPMPodiatrist1619015054
Verify Lauren E. Stark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21523Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average physician assistant in 2024
250 Medicare Part D claims for 114 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 93 claims were for opioids.
Most prescribed
- Oxycodone Hcl81 claims
- Ondansetron Odt56 claims
- Celecoxib55 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren E. Stark among 14,451 physician assistant records in California
Lauren E. Stark, PA-C 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 2011, is newer than 30% of them.
- NPI issued2011 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2010 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 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).
78 physician assistant records list a practice address in Fremont
They are 78 of the 4,749 NPPES records with a practice address in Fremont, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Fremont → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jia Afnan, PAFremont, CA 945381376763698
- Jeffrey Cooper, PA-CFremont, CA 945381639239205
- Karen Garn, P.A.Fremont, CA 945381538168067
- Tammi Groom, PA-CFremont, CA 945381952472151
- Keith Jeffrey, PA-CFremont, CA 945381164461745
- Kristi Larock, PAFremont, CA 945381255317350
- Meagan Nguyen, P.A.Fremont, CA 945381639181514
- Judith Pierre, MS, RD, CDEFremont, CA 945381932257490
Common questions
What is Lauren E. Stark, PA-C's NPI number?
Lauren E. Stark, PA-C's National Provider Identifier (NPI) is 1609161439, issued on Jun 9, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Lauren E. Stark, PA-C located?
The NPPES record lists a practice address at 39350 Civic Center Dr Ste 300, Fremont, CA, 94538. Phone: (510) 797-3933. Providers update this record themselves, so call before visiting.
How can I verify Lauren E. Stark, PA-C's license?
NPPES lists California license number PA21523, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lauren E. Stark, PA-C prescribe under Medicare Part D?
In 2024, Lauren E. Stark, PA-C had 250 Medicare Part D claims for 114 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.