NPPES file of Aug 9, 2026

Robert Felton Marshall

Medical Physician Assistant · Oroville, CA

Robert Felton Marshall is a medical physician assistant with a practice address in Oroville, California, and NPI 1841696515, issued on Nov 7, 2014. Check the license (California PA52853, 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
1841696515
Name
Robert Felton Marshall
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA52853 CA
Self-reported in NPPES; status is on the state search
Practice location
2450 Oro Dam Blvd E, Oroville, CA 95966
Phone
(530) 712-2310
Enumerated
Nov 7, 2014
Record last updated
Feb 11, 2022
Medicare enrollment
Enrolled (PECOS I20151112001871); accepts Medicare assignment
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 2450 Oro Dam Blvd E

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

  1. Yewande Adepoju, DOEndocrinology, Diabetes & Metabolism Physician1467892984
  2. Mustafa ChopanPlastic and Reconstructive Surgery Physician1841724069
  3. Virgil Duvernay, MD, PHD, FACPInternal Medicine Physician1285681056
  4. Nicole Gainey, PA-CPhysician Assistant1225708241
  5. James Gibson, DNPCertified Registered Nurse Anesthetist1437719168
  6. Kim LafourcheGerontology Nurse Practitioner1346789377

Verify Robert Felton Marshall 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 PA52853
    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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52% fewer Medicare Part D claims than the average medical physician assistant in 2024

546 Medicare Part D claims for 430 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 17 claims were for opioids.

  1. Robert Marshall546
  2. Specialty average1,148

Most prescribed

  1. Amoxicillin-Clavulanate Potass59 claims
  2. Doxycycline Monohydrate50 claims
  3. Prednisone49 claims
  4. Cephalexin48 claims
  5. Dexamethasone34 claims
  6. Albuterol Sulfate Hfa23 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 2 group practices

  1. Permanente Medical Group IncStockton, CA
  2. Providence Medical FoundationNapa, CA

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

Robert Felton Marshall among 3,376 medical physician assistant records in California

Robert Felton Marshall 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 2014, is newer than 58% of them.

  • NPI issued2014 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2015 · median 2012 among the 1,347 with a school on file
  • Record last updated2022 · 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 Irwin, PA-COroville, CA 959661053566752
  2. Jason Ruby, PA-COroville, CA 959661942573134
  3. Sane Thai Yang, PA-COroville, CA 959661083973911
  4. Susan Mathias, P.A. RNOroville, CA 959651306990643
  5. Rachel Carlson, P.A.,CParadise, CA 959691043253321
  6. Jessie Corpus, P.A.Orland, CA 959631245272046
  7. Donald Durett, PA-CParadise, CA 959691972819316
  8. Christopher Jensen, PA-CParadise, CA 959691457724239

Common questions

What is Robert Felton Marshall's NPI number?

Robert Felton Marshall's National Provider Identifier (NPI) is 1841696515, issued on Nov 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Robert Felton Marshall located?

The NPPES record lists a practice address at 2450 Oro Dam Blvd E, Oroville, CA, 95966. Phone: (530) 712-2310. Providers update this record themselves, so call before visiting.

How can I verify Robert Felton Marshall's license?

NPPES lists California license number PA52853, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Felton Marshall prescribe under Medicare Part D?

In 2024, Robert Felton Marshall had 546 Medicare Part D claims for 430 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.