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

Orthopedic Surgery

Glenn R. Diekmann, MD

Sees patients in Baldwin Park, CA · San Dimas, CA · California

Summary

Glenn R. Diekmann, MD (Orthopedic Surgery) is enrolled with Medicare at 2 practice locations in Baldwin Park, CA and San Dimas, CA. NPI 1467584326. 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 Glenn R. Diekmann, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Glenn R. Diekmann see patients?
Medicare's clinician data lists 2 practice locations, including Baldwin Park, CA and San Dimas, CA. Call before your visit to confirm the address.
What is Glenn R. Diekmann's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Glenn R. Diekmann accept Medicare assignment?
Yes. Medicare's clinician data says Glenn R. Diekmann 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 Glenn R. Diekmann?
(626) 851-1011, as listed in official Medicare / NPI Registry data.
What is Glenn R. Diekmann's NPI number?
1467584326. 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 Glenn R. Diekmann is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Glenn R. Diekmann 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 Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Baldwin Park

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

All orthopedic surgeons in Baldwin Park →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467584326
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