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Cardiovascular Disease (Cardiology)

Jonathan A. Peng, MD

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

Summary

Jonathan A. Peng, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Ukiah, CA, San Francisco, CA and Santa Rosa, CA and other places. NPI 1922252725. 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 Jonathan A. Peng, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
YesOffers telehealth
18Years since medical school (graduated 2008)
Indiana University School Of MedicineMedical school
MaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Which hospitals does Jonathan A. Peng work at?
Medicare's official clinician data lists Jonathan A. Peng at 5 hospitals: Adventist Health Ukiah Valley, California Pacific Medical Center- Van Ness Campus, Providence Santa Rosa Memorial Hospital, Sutter Lakeside Hospital and Sutter Santa Rosa Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan A. Peng see patients?
Medicare's clinician data lists 11 practice locations, including Novato, CA, Santa Rosa, CA and San Francisco, CA. Call before your visit to confirm the address.
What is Jonathan A. Peng's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Jonathan A. Peng accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan A. Peng 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.
Does Jonathan A. Peng offer telehealth?
Medicare's clinician data says Jonathan A. Peng offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jonathan A. Peng?
(707) 541-7800, as listed in official Medicare / NPI Registry data.
What is Jonathan A. Peng's NPI number?
1922252725. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan A. Peng works

Medicare's Facility Affiliation Data lists Jonathan A. Peng 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 Jonathan A. Peng is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jonathan A. Peng as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Novato

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

All cardiologists in Novato →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922252725
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