NPPES file of Aug 9, 2026

Robert Eric Olson, P.A-C

Physician Assistant · Marysville, CA

Robert Eric Olson, P.A-C is a physician assistant with a practice address in Marysville, California, and NPI 1932147287, issued on Jun 2, 2006. Check the license (California PA17516, 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
1932147287
Name
Robert Eric Olson
Credential
P.A-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA17516 CA
Self-reported in NPPES; status is on the state search
Practice location
726 4TH Street, Marysville, CA 94901
Phone
(530) 749-4300
Enumerated
Jun 2, 2006
Record last updated
Jan 3, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
0PA175160 CA
Medicare enrollment
Enrolled (PECOS I20041004000368); 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 726 4TH Street

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

  1. Mark Agness, M.D.Family Medicine Physician1609816743
  2. Pamela Fallo, C.F.N.PRegistered Nurse1689612921
  3. Katherine Kelly, N.PFamily Nurse Practitioner1679517205
  4. Robert Martin, M.DEmergency Medicine Physician1205876208
  5. Alexandra Reichman, M.D.Anatomic Pathology & Clinical Pathology Physician1639208721
  6. Steven Segerstrom, M.DFamily Medicine Physician1205876240

Verify Robert Eric Olson 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 PA17516
    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

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29% fewer Medicare Part D claims than the average physician assistant in 2024

587 Medicare Part D claims for 291 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Robert Olson587
  2. Specialty average830

Most prescribed

  1. Prednisone46 claims
  2. Albuterol Sulfate Hfa40 claims
  3. Doxycycline Hyclate36 claims
  4. Amlodipine Besylate23 claims
  5. Gabapentin21 claims
  6. Triamcinolone Acetonide20 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. Western Sierra Medical Clinic IncGrass Valley, CA

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

31 physician assistant records list a practice address in Marysville

They are 31 of the 708 NPPES records with a practice address in Marysville, and 14,451 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Terri Abbott, P.A.La Jolla, CA1811165566
  10. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334

Common questions

What is Robert Eric Olson, P.A-C's NPI number?

Robert Eric Olson, P.A-C's National Provider Identifier (NPI) is 1932147287, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Eric Olson, P.A-C located?

The NPPES record lists a practice address at 726 4TH Street, Marysville, CA, 94901. Phone: (530) 749-4300. Providers update this record themselves, so call before visiting.

How can I verify Robert Eric Olson, P.A-C's license?

NPPES lists California license number PA17516, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Eric Olson, P.A-C prescribe under Medicare Part D?

In 2024, Robert Eric Olson, P.A-C had 587 Medicare Part D claims for 291 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.