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Internal Medicine

Herman Sardjono, MD

Sees patients in San Gabriel, CA · California

Summary

Herman Sardjono, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in San Gabriel, CA. NPI 1225142128. 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 Herman Sardjono, 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
53Years since medical school (graduated 1973)
MaleGender (as listed)

Quick answers

Where does Herman Sardjono see patients?
Medicare's clinician data lists 1 practice location in San Gabriel, CA. Call before your visit to confirm the address.
What is Herman Sardjono's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Family Practice.
Does Herman Sardjono accept Medicare assignment?
Yes. Medicare's clinician data says Herman Sardjono 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 Herman Sardjono?
(626) 289-5454, as listed in official Medicare / NPI Registry data.
What is Herman Sardjono's NPI number?
1225142128. 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 Herman Sardjono is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Gabriel

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

All internal medicine doctors in San Gabriel →

Clinician information

CredentialMD
Graduation year1973
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225142128
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