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Carl Walter Fieser Jr., M.D.

NPI 1346515319ActiveIndividual· Physical Medicine & Rehabilitation, Pain Medicine· Walnut Creek, CA

Physical Medicine & Rehabilitation, Pain Medicine (M.D.) in Walnut Creek, California, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2002). 170 Medicare patients in 2024, $280,845 paid; nearly all of their 746 Part D prescriptions were generic (97%). Electronic Waveform Lab, Inc. was the largest of 3 companies reporting payments in 2025, $299.51 in all, mostly food and beverage.

Overview

NPI1346515319
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 9, 2012
Last updated in NPPESSep 13, 2012

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Physical Medicine and Rehabilitation (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients170
Services billed2,675 across 22 procedure codes
Paid by Medicare$280,845

Part D prescriptions in 2024

Prescriptions (claims)746 · 807 30-day fills
Patients165
Total drug cost$26,846
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Kansas School of Med (Kc/Wich/Sal)
Graduation year2002
Medicare specialtyPhysical Medicine And Rehabilitation
Secondary specialtiesPain Management
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$299.51 · 13 payments from 3 companies
  • 2024$366.84 · 17 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$299.51 · 13 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Physical Medicine & Rehabilitation, Pain Medicine providers in Walnut Creek

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