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Emergency Medicine

Jeremy D. Martinez, MD

Works at hospitals in Colusa, CA · Chico, CA · Madera, CA … · California

Summary

Dr. Jeremy D. Martinez, MD is an emergency medicine doctor at 1250 E Almond Ave, Madera, CA 93637. Phone: (877) 346-2211. Accepts Medicare assignment. In 2024, Jeremy D. Martinez had 440 Original Medicare patients and 902 services. NPI 1649362534. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1250 E Almond Ave, Madera, CA 93637 · Directions (1 more location)
  • Phone: (877) 346‑2211
  • Medicare: Accepts Medicare assignment
  • Hospitals: Colusa Medical Center, Enloe Health, Madera Community Hospital and 1 more
  • Group practice: American Specialty Physicians Group Inc
  • Medical school: Js Weill Medical College, Cornell University · graduated 1999 (27 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jeremy D. Martinez, 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 Jeremy D. Martinez accept Medicare assignment?
Yes. Medicare's clinician data says Jeremy D. Martinez 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 Jeremy D. Martinez see?
In 2024, CMS data shows 440 Original Medicare patients and 902 services for Jeremy D. Martinez. This counts Original Medicare only and measures volume, not quality.
What is Jeremy D. Martinez's NPI number?
1649362534. 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 Jeremy D. Martinez, 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 patients440
Services billed to Medicare902
Different services or procedures29
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)154 services
  2. Emergency department visit with low level of medical decision making (99283)148 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)132 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)100 services
  5. Emergency department visit with high level of medical decision making (99285)72 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 cholesterol72%
  • Diabetes45%
  • Arthritis40%
  • COPD34%
  • Anxiety33%

Hospitals where Jeremy D. Martinez works

Medicare's Facility Affiliation Data lists Jeremy D. Martinez 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.

  • Colusa Medical CenterColusa, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050783
  • Enloe HealthChico, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050039
  • Madera Community HospitalMadera, CA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 050856
  • Orchard HospitalGridley, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051311

Practice locations

Addresses where Jeremy D. Martinez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jeremy D. Martinez as a member of this group (CMS data updated October 2, 2026).

  • American Specialty Physicians Group Inc100 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Madera

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

All emergency medicine doctors in Madera →

Other clinicians in American Specialty Physicians Group Inc

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

Clinician information

CredentialMD
Medical schoolJs Weill Medical College, Cornell University
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649362534
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