Monica Diaz, PAC
Medical Physician Assistant · South Gate, CA
Monica Diaz, PAC is a medical physician assistant with a practice address in South Gate, California, and NPI 1316277700, issued on Jan 6, 2010. Check the license (California PA 20566, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Monica Diaz
- Credential
- PAC
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA 20566 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9916 San Juan Ave, South Gate, CA 90280
- Phone
- (323) 564-1100
- Enumerated
- Jan 6, 2010
- Record last updated
- Feb 4, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (323) 564-1133
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 9916 San Juan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Lourdes De Leon, M.D.General Practice Physician1285775437
Verify Monica Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA 20566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average medical physician assistant in 2024
2,162 Medicare Part D claims for 219 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Atorvastatin Calcium116 claims
- Jardiance113 claims
- Metformin Hcl79 claims
- Amlodipine Besylate60 claims
- Omeprazole59 claims
- Amlodipine Besylate-Benazepril53 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.
Industry payments in 2024: $1,276.64
42 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Monica Diaz among 3,376 medical physician assistant records in California
Monica Diaz, PAC 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 fileNo · 40% of these records are
- Record last updated2016 · 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).
24 medical physician assistant records list a practice address in South Gate
They are 24 of the 466 NPPES records with a practice address in South Gate, and 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in South Gate → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Michelle DomingoSouth Gate, CA 902801457660391
- Yasmin DominguezSouth Gate, CA 902801043942816
- Melissa GalvezSouth Gate, CA 902801437542883
- Rosana Hernandez, PA-CSouth Gate, CA 902801972849693
- Angel LangloisSouth Gate, CA 902801306667159
- Jovanna MurilloSouth Gate, CA 902801154131258
- Daniel Pallan, PASouth Gate, CA 902801457577587
- Edgar Reyes, P.A.South Gate, CA 902801891738324
Common questions
What is Monica Diaz, PAC's NPI number?
Monica Diaz, PAC's National Provider Identifier (NPI) is 1316277700, issued on Jan 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Monica Diaz, PAC located?
The NPPES record lists a practice address at 9916 San Juan Ave, South Gate, CA, 90280. Phone: (323) 564-1100. Providers update this record themselves, so call before visiting.
How can I verify Monica Diaz, PAC's license?
NPPES lists California license number PA 20566, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Monica Diaz, PAC prescribe under Medicare Part D?
In 2024, Monica Diaz, PAC had 2,162 Medicare Part D claims for 219 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.