Tracy Mejia Sebastian, PA-C
Medical Physician Assistant · San Diego, CA
Tracy Mejia Sebastian, PA-C is a medical physician assistant with a practice address in San Diego, California, and NPI 1962716183, issued on Jul 29, 2010. Check the license (California PA21043, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tracy Mejia Sebastian
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA21043 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6645 Alvarado RD, San Diego, CA 92120
- Phone
- (858) 810-0387
- Enumerated
- Jul 29, 2010
- Record last updated
- Apr 28, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101022000697); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 6645 Alvarado RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick Delaney, MDNeurology Physician1699741645
- Bryna Florence, PHYSICIAN ASSISTANTMedical Physician Assistant1245471853
- Theresa Francis, MSN, RN, CDERegistered Nurse1578659744
- Andre Gallares, PA-CSurgical Physician Assistant1093018764
- Sanjay Ghosh, M.D.Neurological Surgery Physician1346285566
- Amanda Gumbert, P.A.Surgical Physician Assistant1891723870
Verify Tracy Mejia Sebastian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21043Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average medical physician assistant in 2024
284 Medicare Part D claims for 74 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 109 claims were for opioids.
Most prescribed
- Oxycodone Hcl77 claims
- Gabapentin38 claims
- Cyclobenzaprine Hcl32 claims
- Cephalexin29 claims
- Ondansetron Odt24 claims
- Hydrocodone-Acetaminophen19 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
- Scott Leary MD IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tracy Mejia Sebastian among 3,376 medical physician assistant records in California
Tracy Mejia Sebastian, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 42% of them.
- NPI issued2010 · 42% of these records are older, 54% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2010 · median 2012 among the 1,347 with a school on file
- Record last updated2014 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in San Diego → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Cameron Chan, PA-CSan Diego, CA 921201326440660
- Michelle Cote, PACSan Diego, CA 921201659554715
- Bryna Florence, PHYSICIAN ASSISTANTSan Diego, CA 921201245471853
- Cheryl Kyinn, MSPASan Diego, CA 921201649570284
- Laurie Reeves, PA-CSan Diego, CA 921201942510698
- Edwin Rivera, PHYSICIAN ASSISTANTSan Diego, CA 921201861474033
- John Western, PASan Diego, CA 921201679679682
- Jill Chang, PA-CSan Diego, CA 921211114112786
Common questions
What is Tracy Mejia Sebastian, PA-C's NPI number?
Tracy Mejia Sebastian, PA-C's National Provider Identifier (NPI) is 1962716183, issued on Jul 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Tracy Mejia Sebastian, PA-C located?
The NPPES record lists a practice address at 6645 Alvarado RD, San Diego, CA, 92120. Phone: (858) 810-0387. Providers update this record themselves, so call before visiting.
How can I verify Tracy Mejia Sebastian, PA-C's license?
NPPES lists California license number PA21043, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tracy Mejia Sebastian, PA-C prescribe under Medicare Part D?
In 2024, Tracy Mejia Sebastian, PA-C had 284 Medicare Part D claims for 74 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.