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Pathology

John C. Moretto, MD

Works at hospitals in San Francisco, CA · Novato, CA · Santa Rosa, CA · California

Summary

John C. Moretto, MD (Pathology) is listed by Medicare at 5 hospitals in San Francisco, CA, Novato, CA and Santa Rosa, CA. NPI 1023086717. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John C. Moretto, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
Stanford University School Of MedicineMedical school
MaleGender (as listed)
California Pacific Pathology Medical GroupGroup practice

Quick answers

Which hospitals does John C. Moretto work at?
Medicare's official clinician data lists John C. Moretto at 5 hospitals: California Pacific Medical Center - Mission Bernal…, California Pacific Medical Center- Van Ness Campus, California Pacific Medical Ctr-Davies Campus Hosp, Novato Community Hospital and Sutter Santa Rosa Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John C. Moretto see patients?
Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
What is John C. Moretto's specialty?
Medicare lists Pathology as the primary specialty.
Does John C. Moretto accept Medicare assignment?
Yes. Medicare's clinician data says John C. Moretto 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 John C. Moretto?
(415) 600-2200, as listed in official Medicare / NPI Registry data.
What is John C. Moretto's NPI number?
1023086717. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John C. Moretto works

Medicare's Facility Affiliation Data lists John C. Moretto at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John C. Moretto is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John C. Moretto as a member of this group (CMS data updated 2026-10-02).

  • California Pacific Pathology Medical Group9 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in San Francisco

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

All pathologists in San Francisco →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023086717
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians