Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Ophthalmology

Jason W. Much, MD

Sees patients in San Mateo, CA · San Carlos, CA · Palo Alto, CA · California

Summary

Jason W. Much, MD (Ophthalmology) is enrolled with Medicare at 3 practice locations in San Mateo, CA, San Carlos, CA and Palo Alto, CA. NPI 1588876676. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jason W. Much, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
Perelman School Of Med At The University Of PennsylvaniaMedical school
MaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Where does Jason W. Much see patients?
Medicare's clinician data lists 3 practice locations, including San Mateo, CA, San Carlos, CA and Palo Alto, CA. Call before your visit to confirm the address.
What is Jason W. Much's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Jason W. Much accept Medicare assignment?
Yes. Medicare's clinician data says Jason W. Much accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jason W. Much?
(650) 343-4200, as listed in official Medicare / NPI Registry data.
What is Jason W. Much's NPI number?
1588876676. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jason W. Much is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jason W. Much as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in San Mateo

Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.

All ophthalmologists in San Mateo →

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588876676
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians