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Internal Medicine

Richard E. Ehling, MD

Works at hospitals in San Mateo, CA · Stanford, CA · California

Summary

Richard E. Ehling, MD (Internal Medicine) is listed by Medicare at 2 hospitals in San Mateo, CA and Stanford, CA. NPI 1124187950. 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 Richard E. Ehling, 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
35Years since medical school (graduated 1991)
Geisel School Of Medicine At DartmouthMedical school
MaleGender (as listed)
County of San MateoGroup practice

Quick answers

Which hospitals does Richard E. Ehling work at?
Medicare's official clinician data lists Richard E. Ehling at 2 hospitals: San Mateo Medical Center and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Richard E. Ehling see patients?
Medicare's clinician data lists 1 practice location in San Mateo, CA. Call before your visit to confirm the address.
What is Richard E. Ehling's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Richard E. Ehling accept Medicare assignment?
Yes. Medicare's clinician data says Richard E. Ehling 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 Richard E. Ehling?
(650) 573-2222, as listed in official Medicare / NPI Registry data.
What is Richard E. Ehling's NPI number?
1124187950. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Richard E. Ehling works

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

Group practices

Medicare enrollment lists Richard E. Ehling as a member of this group (CMS data updated 2026-10-02).

  • County of San Mateo310 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Mateo

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

All internal medicine doctors in San Mateo →

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124187950
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