NPPES file of Aug 9, 2026

Marc A. Fierro, P.A.

Medical Physician Assistant · Roseville, CA

Marc A. Fierro, P.A. is a medical physician assistant with a practice address in Roseville, California, and NPI 1861552556, issued on Dec 11, 2006. Check the license (California PA15185, 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
1861552556
Name
Marc A. Fierro
Credential
P.A.
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA15185 CA
Self-reported in NPPES; status is on the state search
Practice location
2 Medical Plaza Dr Ste 205, Roseville, CA 95661
Phone
(916) 773-8711
Enumerated
Dec 11, 2006
Record last updated
Feb 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140915001273); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2 Medical Plaza Dr Ste 205

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wendy Brown, M.D.Neurology Physician1285780718
  2. Andres Calderon, FNPFamily Nurse Practitioner1184541773
  3. Jingjing ChenNeurology Physician1255837068
  4. Benjamin Ferguson, DONeurology Physician1871973677
  5. Erin Kight, LCSWClinical Social Worker1285126169
  6. Brooke KubatNeurology Physician1073179784

Verify Marc A. Fierro 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 PA15185
    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
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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86% fewer Medicare Part D claims than the average medical physician assistant in 2024

157 Medicare Part D claims for 29 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Marc Fierro157
  2. Specialty average1,148

Most prescribed

  1. Levothyroxine Sodium24 claims
  2. Progesterone14 claims
  3. Estradiol (Once Weekly)12 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

  1. Sutter Valley Medical FoundationSacramento, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marc A. Fierro among 3,376 medical physician assistant records in California

Marc A. Fierro, P.A. 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 80% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated1999 · median 2012 among the 1,347 with a school on file
  • Record last updated2021 · 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. Karen Cain, PARoseville, CA 956611609892660
  2. Julie Gebhardt, P.A.Roseville, CA 956611285665620
  3. Maria-Dolores Haneffant, PARoseville, CA 956611063517761
  4. Skyler Ingemansson, PA-CRoseville, CA 956611942548482
  5. Jessica Mattson, PA-CRoseville, CA 956611669637807
  6. Anna Mikhaylishin, PARoseville, CA 956611770897936
  7. Janel Pabon, PARoseville, CA 956611457429540
  8. Jason Peugh, MPAS, PA-CRoseville, CA 956611225431703

Common questions

What is Marc A. Fierro, P.A.'s NPI number?

Marc A. Fierro, P.A.'s National Provider Identifier (NPI) is 1861552556, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc A. Fierro, P.A. located?

The NPPES record lists a practice address at 2 Medical Plaza Dr Ste 205, Roseville, CA, 95661. Phone: (916) 773-8711. Providers update this record themselves, so call before visiting.

How can I verify Marc A. Fierro, P.A.'s license?

NPPES lists California license number PA15185, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Marc A. Fierro, P.A. prescribe under Medicare Part D?

In 2024, Marc A. Fierro, P.A. had 157 Medicare Part D claims for 29 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.