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John Montgomery Yost, M.D.

NPI 1336451137ActiveIndividual· Dermatology· Redwood City, CA

Dermatology (M.D.) in Redwood City, California, trained at University of Michigan Medical School (class of 2010). 1,258 Medicare patients in 2024, $342,183 paid; nearly all of their 1,016 Part D prescriptions were generic (92%). Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,261 in all, mostly food and beverage.

Overview

NPI1336451137
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 8, 2010
Last updated in NPPESSep 3, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000XA131385CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Dermatology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,258
Services billed9,074 across 52 procedure codes
Paid by Medicare$342,183

Part D prescriptions in 2024

Prescriptions (claims)1,016 · 1,116 30-day fills
Patients541
Total drug cost$218,049
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year2010
Medicare specialtyDermatology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,261 · 57 payments from 17 companies
  • 2024$1,491 · 58 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,251 · 56 payments
  • Education$9.65 · 1 payment

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

Other dermatologists in Redwood City

All 25 dermatologists in Redwood City · All dermatologists in California