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Internal Medicine

Jason Mok, MD

Works at hospitals in San Francisco, CA · California

Summary

Jason Mok, MD (Internal Medicine) is listed by Medicare at 3 hospitals in San Francisco, CA. NPI 1699853101. 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 Jason Mok, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
Pacific Inpatient Medical GroupGroup practice

Quick answers

Which hospitals does Jason Mok work at?
Medicare's official clinician data lists Jason Mok at 3 hospitals: California Pacific Medical Center - Mission Bernal…, California Pacific Medical Center- Van Ness Campus and California Pacific Medical Ctr-Davies Campus Hosp. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jason Mok see patients?
Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
What is Jason Mok's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jason Mok accept Medicare assignment?
Yes. Medicare's clinician data says Jason Mok 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 Mok?
(415) 485-8824, as listed in official Medicare / NPI Registry data.
What is Jason Mok's NPI number?
1699853101. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jason Mok works

Medicare's Facility Affiliation Data lists Jason Mok 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 Jason Mok is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Pacific Inpatient Medical Group132 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Francisco

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

All internal medicine doctors in San Francisco →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699853101
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