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Pathology

Philip O. Strassle

Works at hospitals in Pomona, CA · Upland, CA · California

Summary

Philip O. Strassle is a pathologist at 1798 N Garey Ave, Pomona, CA 91767. Phone: (909) 865-9800. Accepts Medicare assignment. In 2024, Philip O. Strassle had 507 Original Medicare patients and 1,293 services. NPI 1952320699. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Philip O. Strassle, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Philip O. Strassle accept Medicare assignment?
Yes. Medicare's clinician data says Philip O. Strassle accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Philip O. Strassle see?
In 2024, CMS data shows 507 Original Medicare patients and 1,293 services for Philip O. Strassle. This counts Original Medicare only and measures volume, not quality.
What is Philip O. Strassle's NPI number?
1952320699. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Philip O. Strassle, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients507
Services billed to Medicare1,293
Different services or procedures26
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)733 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)111 services
  3. Pathology examination of tissue using a microscope, moderately low complexity (88304)74 services
  4. Pathology examination of tissue using a microscope, moderately high complexity (88307)67 services
  5. Microscopic genetic analysis of tumor, using computer-assisted technology (88361)61 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis47%
  • Diabetes46%
  • Ischemic heart disease33%
  • Chronic kidney disease33%

Hospitals where Philip O. Strassle works

Medicare's Facility Affiliation Data lists Philip O. Strassle at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Philip O. Strassle is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Philip O. Strassle as a member of this group (CMS data updated October 2, 2026).

  • PVCH Clinical Laboratory Medical Group Inc3 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in Pomona

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

All pathologists in Pomona →

Other clinicians in PVCH Clinical Laboratory Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952320699
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians