Carlos S. Martinez, MD

Medicare activity in 2024

Official CMS public-use data for Carlos S. 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)972 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)635 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)187 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)173 services
5. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)104 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%
• Diabetes73%
• Chronic kidney disease61%
• Arthritis58%
• Ischemic heart disease47%

Hospitals where Carlos S. Martinez works

Medicare's Facility Affiliation Data lists Carlos S. 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.

• Adventist Health White MemorialLos Angeles, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050103
• Hollywood Presbyterian Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050063
• PIH Health Good Samaritan HospitalLos Angeles, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050471

Practice locations

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

• 1225 Wilshire BlvdLos Angeles, CA 90017 (213) 977‑2121
• 1245 Wilshire Blvd, Suite 630Los Angeles, CA 90017 (213) 977‑0511
• 12675 La Mirada Blvd, Suite 201and401La Mirada, CA 90638 (562) 903‑7339

Group practices

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

• PIH Health Physicians622 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Angeles

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

• Hector F. Luque, DO
• Leigh Nguyen, MD
• Julian J. Choi, DO
• Diane Reed, MD
• Lianying Gao, MD
• Katherine S. Stricker, MD
• Henry Kirolos, MD
• Sammy Saab, MD

All internal medicine doctors in Los Angeles →

Other clinicians in PIH Health Physicians

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

• Julian J. Choi, DO
• Jessica L. Weiss, DO
• Alexander H. Tsang, MD
• Akilah F. Hinson, NP
• Samuel S. Im, MD
• Steven Y. Chen, MD

Clinician information

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