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Peter William Simpson, MD, MPH

NPI 1043499478ActiveIndividual· Internal Medicine, Gastroenterology· Mountain View, CA

Internal Medicine, Gastroenterology (MD, MPH) with Sutter Bay Medical Foundation, practicing in Mountain View, California. In 2024 Medicare paid $80,770 for 340 patients, and Part D covered 463 of their prescriptions, 78% of them generic. Micro-Tech Endoscopy USA, Inc. was the largest of 2 companies reporting payments in 2025, $32.67 in all, mostly food and beverage. Lists El Camino Health as a hospital affiliation.

Overview

NPI1043499478
StatusActive
Entity typeIndividual
CredentialMD, MPH
Sole proprietorNo
NPI issuedNov 2, 2007
Last updated in NPPESJan 13, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XA71224CA
Internal Medicine207R00000XA71224CA

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 - Gastroenterology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients340
Services billed941 across 32 procedure codes
Paid by Medicare$80,770

Part D prescriptions in 2024

Prescriptions (claims)463 · 821 30-day fills
Patients269
Total drug cost$94,982
Generic share78% of claims

Medicare sources and data years

Education and affiliations

Graduation year2000
Medicare specialtyGastroenterology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$32.67 · 2 payments from 2 companies
  • 2024$11.82 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Micro-Tech Endoscopy USA, Inc.$19.081
Conmed Corporation$13.591

What the 2025 payments were for

  • Food and Beverage$32.67 · 2 payments

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

Other gastroenterologists in Mountain View

All 26 gastroenterologists in Mountain View · All gastroenterologists in California