Estelle Ayyad, PA-C
Physician Assistant · San Diego, CA
Estelle Ayyad, PA-C is a physician assistant with a practice address in San Diego, California, and NPI 1982900502, issued on Jan 28, 2011. Check the license (California 21912, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Estelle Ayyad
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 21912 CA
014377 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5575 Ruffin RD, San Diego, CA 92123
- Phone
- (858) 277-2744
- Enumerated
- Jan 28, 2011
- Record last updated
- May 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 5575 Ruffin RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Estelle Ayyad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average physician assistant in 2024
47 Medicare Part D claims for 20 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% 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.
Estelle Ayyad among 14,451 physician assistant records in California
Estelle Ayyad, 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 fileNo · 50% of these records are
- Record last updated2019 · 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).
747 physician assistant records list a practice address in San Diego
They are 747 of the 52,937 NPPES records with a practice address in San Diego, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Diego → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Amanda Asaro, P.A-CSan Diego, CA 921231306961313
- Billie Jo Brockington, PA-CSan Diego, CA 921231023126588
- Anne Denslow, P.A.San Diego, CA 921231780732495
- Allison Dickinson, PA-CSan Diego, CA 921231972655389
- Chinh Fleming, P.A.San Diego, CA 921231932214319
- Steven Gottesfeld, P.A.San Diego, CA 921231427068972
- Denise Lago, P.A.San Diego, CA 921231871641589
- Hortensia Lara, MDSan Diego, CA 921231649329293
Common questions
What is Estelle Ayyad, PA-C's NPI number?
Estelle Ayyad, PA-C's National Provider Identifier (NPI) is 1982900502, issued on Jan 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Estelle Ayyad, PA-C located?
The NPPES record lists a practice address at 5575 Ruffin RD, San Diego, CA, 92123. Phone: (858) 277-2744. Providers update this record themselves, so call before visiting.
How can I verify Estelle Ayyad, PA-C's license?
NPPES lists California license number 21912, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Estelle Ayyad, PA-C prescribe under Medicare Part D?
In 2024, Estelle Ayyad, PA-C had 47 Medicare Part D claims for 20 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.