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

Diagnostic Radiology

Martin A. Schwartz, MD

Works at hospitals in Monterey Park, CA · Los Angeles, CA · Gardena, CA … · California

Summary

Dr. Martin A. Schwartz, MD is a radiologist at 100 S Raymond Ave, Alhambra, CA 91801. Phone: (626) 570-1606. Accepts Medicare assignment. In 2024, Martin A. Schwartz had 6,099 Original Medicare patients and 13,253 services. NPI 1316908072. 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 Martin A. Schwartz, 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 Martin A. Schwartz accept Medicare assignment?
Yes. Medicare's clinician data says Martin A. Schwartz 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 Martin A. Schwartz see?
In 2024, CMS data shows 6,099 Original Medicare patients and 13,253 services for Martin A. Schwartz. This counts Original Medicare only and measures volume, not quality.
What is Martin A. Schwartz's NPI number?
1316908072. 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 Martin A. Schwartz, 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 patients6,099
Services billed to Medicare13,253
Different services or procedures142
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of chest, 1 view (71045)7,534 services
  2. X-ray of abdomen, 1 view (74018)1,151 services
  3. Ct scan head or brain without contrast (70450)444 services
  4. Ultrasound study of arm or leg veins with compression and maneuvers (93970)285 services
  5. Ct scan of abdomen and pelvis without contrast (74176)276 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%
  • Diabetes65%
  • Arthritis64%
  • Chronic kidney disease62%
  • Depression55%

Hospitals where Martin A. Schwartz works

Medicare's Facility Affiliation Data lists Martin A. Schwartz 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 Martin A. Schwartz is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Martin A. Schwartz as a member of these groups (CMS data updated October 2, 2026).

  • Mountain Communities Healthcare District29 clinicians in the group
  • KC Tan MD Medical Corporation24 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Alhambra

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

All radiologists in Alhambra →

Other clinicians in Mountain Communities Healthcare District

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

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year1977 (49 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316908072
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