Tanya Amber Marcus, PAC
Physician Assistant · El Cajon, CA
Tanya Amber Marcus, PAC is a physician assistant with a practice address in El Cajon, California, and NPI 1659784130, issued on Jun 3, 2014. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tanya Amber Marcus
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1306 Broadway, El Cajon, CA 92021
- Phone
- (619) 551-7400
- Enumerated
- Jun 3, 2014
- Record last updated
- Apr 28, 2022
- Medicare enrollment
- Enrolled (PECOS I20170731003415); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1306 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gracielle Mae Advincula, NPFamily Nurse Practitioner1376208975
- Itzel Arrieta, RDRegistered Dietitian1952270373
- Dominique Hale, LCSWClinical Social Worker1932954393
- Grayson KellePhysician Assistant1346028586
- Christal Marth, RDNRegistered Dietitian1336872860
- Ashley Roseman, BSN, RNRegistered Nurse1952873705
Verify Tanya Amber Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.3 times the Medicare Part D claims of the average physician assistant in 2024
5,269 Medicare Part D claims for 340 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium545 claims
- Jardiance204 claims
- Gabapentin194 claims
- Metformin Hcl179 claims
- Famotidine165 claims
- Lisinopril155 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
- Brian H Weeks MD IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tanya Amber Marcus among 14,451 physician assistant records in California
Tanya Amber Marcus, PAC 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 2014, is newer than 38% of them.
- NPI issued2014 · 38% of these records are older, 59% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2014 · 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).
33 physician assistant records list a practice address in El Cajon
They are 33 of the 3,277 NPPES records with a practice address in El Cajon, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in El Cajon → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Amy Foster, PA-CEl Cajon, CA 920211205302403
- Rana Habboush, PAEl Cajon, CA 920211225680572
- Marlena Kanouno, PA-CEl Cajon, CA 920211528706611
- Grayson KelleEl Cajon, CA 920211346028586
- Julie Niedens, PA-CEl Cajon, CA 920211558698399
- Ashley SmithEl Cajon, CA 920211194408872
- Lili TranEl Cajon, CA 920211760009989
- Madelyn Urie, PA-CEl Cajon, CA 920211467216788
Common questions
What is Tanya Amber Marcus, PAC's NPI number?
Tanya Amber Marcus, PAC's National Provider Identifier (NPI) is 1659784130, issued on Jun 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tanya Amber Marcus, PAC located?
The NPPES record lists a practice address at 1306 Broadway, El Cajon, CA, 92021. Phone: (619) 551-7400. Providers update this record themselves, so call before visiting.
How can I verify Tanya Amber Marcus, PAC's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tanya Amber Marcus, PAC prescribe under Medicare Part D?
In 2024, Tanya Amber Marcus, PAC had 5,269 Medicare Part D claims for 340 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.