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

Internal Medicine

Mihwa C. Pak, MD

Works at hospitals in Los Angeles, CA · California

Summary

Mihwa C. Pak, MD (Internal Medicine) is listed by Medicare at 1 hospital in Los Angeles, CA. NPI 1053590315. 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 Mihwa C. Pak, 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
YesOffers telehealth
25Years since medical school (graduated 2001)
FemaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Which hospitals does Mihwa C. Pak work at?
Medicare's official clinician data lists Mihwa C. Pak at 1 hospital: Kaiser Foundation Hospital - West LA. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mihwa C. Pak see patients?
Medicare's clinician data lists 6 practice locations, including Baldwin Park, CA, Riverside, CA and San Dimas, CA. Call before your visit to confirm the address.
What is Mihwa C. Pak's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Critical Care (Intensivists) and Pulmonary Disease.
Does Mihwa C. Pak accept Medicare assignment?
Yes. Medicare's clinician data says Mihwa C. Pak 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 Mihwa C. Pak offer telehealth?
Medicare's clinician data says Mihwa C. Pak offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mihwa C. Pak?
(626) 851-1011, as listed in official Medicare / NPI Registry data.
What is Mihwa C. Pak's NPI number?
1053590315. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mihwa C. Pak works

Medicare's Facility Affiliation Data lists Mihwa C. Pak 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 Mihwa C. Pak is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

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

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Baldwin Park

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

All internal medicine doctors in Baldwin Park →

Clinician information

CredentialMD
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1053590315
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