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Pathology

Glenn H. Littell, MD

Works at hospitals in Simi Valley, CA · Glendale, CA · Thousand Oaks, CA … · California

Summary

Glenn H. Littell, MD (Pathology) is listed by Medicare at 4 hospitals in Simi Valley, CA, Glendale, CA and Thousand Oaks, CA and other places. NPI 1457332512. 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 Glenn H. Littell, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)
Glendale Pathology Associates Medical Group of GlendaleGroup practice

Quick answers

Which hospitals does Glenn H. Littell work at?
Medicare's official clinician data lists Glenn H. Littell at 4 hospitals: Adventist Health Simi Valley, Glendale Adventist Medical Center, Los Robles Hospital & Medical Center and Ronald Reagan UCLA Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Glenn H. Littell see patients?
Medicare's clinician data lists 5 practice locations, including Glendale, CA, Los Angeles, CA and Woodland Hills, CA. Call before your visit to confirm the address.
What is Glenn H. Littell's specialty?
Medicare lists Pathology as the primary specialty.
Does Glenn H. Littell accept Medicare assignment?
Yes. Medicare's clinician data says Glenn H. Littell 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 H. Littell?
(818) 409-8320, as listed in official Medicare / NPI Registry data.
What is Glenn H. Littell's NPI number?
1457332512. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Glenn H. Littell works

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

Group practices

Medicare enrollment lists Glenn H. Littell as a member of this group (CMS data updated 2026-10-02).

  • Glendale Pathology Associates Medical Group of Glendale9 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in Glendale

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

All pathologists in Glendale →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457332512
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