NPPES file of Aug 9, 2026

Fiorella M. Zambrano, PA

Medical Physician Assistant · Pomona, CA

Fiorella M. Zambrano, PA is a medical physician assistant with a practice address in Pomona, California, and NPI 1689885675, issued on May 24, 2007. Check the license (California 16142, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689885675
Name
Fiorella M. Zambrano
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
16142 CA
Self-reported in NPPES; status is on the state search
Practice location
502 W Holt Ave, Pomona, CA 91768
Phone
(909) 620-8500
Enumerated
May 24, 2007
Record last updated
Dec 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(909) 620-5799
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Fiorella M. Zambrano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 16142
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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48% more Medicare Part D claims than the average medical physician assistant in 2024

1,696 Medicare Part D claims for 308 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Fiorella Zambrano1,696
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium197 claims
  2. Metformin Hcl110 claims
  3. Jardiance107 claims
  4. Lisinopril77 claims
  5. Levothyroxine Sodium69 claims
  6. Losartan Potassium69 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: $363.44

16 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.

  1. Fiorella Zambrano$363.44
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Fiorella M. Zambrano among 3,376 medical physician assistant records in California

Fiorella M. Zambrano, PA 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 2007, is newer than 20% of them.

  • NPI issued2007 · 20% of these records are older, 68% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2020 · 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.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Brian Hughes, P.A.Pomona, CA 917681760621890
  2. Roxana Manuel, PA-CPomona, CA 917681760718233
  3. Ariez RenteriaPomona, CA 917681417892274
  4. Adrianna RuizPomona, CA 917681881167781
  5. Emma Balderas Cook, PA-CPomona, CA 917671124281746
  6. Benjamin BrennerPomona, CA 917671447602461
  7. Michelle Chen, PA-CPomona, CA 917671467241471
  8. Allegra Danna-Demott, PA-CPomona, CA 917671164624581

Common questions

What is Fiorella M. Zambrano, PA's NPI number?

Fiorella M. Zambrano, PA's National Provider Identifier (NPI) is 1689885675, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Fiorella M. Zambrano, PA located?

The NPPES record lists a practice address at 502 W Holt Ave, Pomona, CA, 91768. Phone: (909) 620-8500. Providers update this record themselves, so call before visiting.

How can I verify Fiorella M. Zambrano, PA's license?

NPPES lists California license number 16142, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Fiorella M. Zambrano, PA prescribe under Medicare Part D?

In 2024, Fiorella M. Zambrano, PA had 1,696 Medicare Part D claims for 308 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.