Stacy M. Lagomarsino, PAC
Surgical Physician Assistant · San Francisco, CA
Stacy M. Lagomarsino, PAC is a surgical physician assistant with a practice address in San Francisco, California, and NPI 1033240833, issued on Mar 7, 2007. Check the license (California PA18133, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stacy M. Lagomarsino
- Credential
- PAC
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA18133 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Owens St, San Francisco, CA 94158
- Phone
- (415) 833-2000
- Enumerated
- Mar 7, 2007
- Record last updated
- Oct 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20080119000108); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 1600 Owens St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent CastoroPhysical Therapist1023630530
- Vivian ChoiRegistered Nurse1013738947
- Matthew Cruz, DPTPhysical Therapist1033758768
- Charlotte DegraevePharmacist1841723137
- David Ding, MDStudent in an Organized Health Care Education/Training Program1376869180
- Jeanine Donohue, PTPhysical Therapist1114597564
Verify Stacy M. Lagomarsino in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18133Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average surgical physician assistant in 2024
22 Medicare Part D claims for 16 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacy M. Lagomarsino among 1,075 surgical physician assistant records in California
Stacy M. Lagomarsino, PAC is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 26% of them.
- NPI issued2007 · 26% of these records are older, 59% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2005 · median 2012 among the 649 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in San Francisco → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Alan Garcia, PA-C, MPASSan Francisco, CA 941581174682975
- Qiona Young, PA-CSan Francisco, CA 941581043330210
- Shannon Farrell, PASan Francisco, CA 941431417350976
- Patricia Freeman, PASan Francisco, CA 941431396751764
- Justin Gagnon, PASan Francisco, CA 941431306402532
- Julie Gennarino, PASan Francisco, CA 941431346288495
- Gregory James, PASan Francisco, CA 941431912216797
- Jin Kim, JIN KIM PA-CSan Francisco, CA 941431952447625
Common questions
What is Stacy M. Lagomarsino, PAC's NPI number?
Stacy M. Lagomarsino, PAC's National Provider Identifier (NPI) is 1033240833, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stacy M. Lagomarsino, PAC located?
The NPPES record lists a practice address at 1600 Owens St, San Francisco, CA, 94158. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.
How can I verify Stacy M. Lagomarsino, PAC's license?
NPPES lists California license number PA18133, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stacy M. Lagomarsino, PAC prescribe under Medicare Part D?
In 2024, Stacy M. Lagomarsino, PAC had 22 Medicare Part D claims for 16 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.