Hiram S. Palmer, MD

Medicare activity in 2024

Official CMS public-use data for Hiram S. Palmer, 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)637 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)321 services
3. Telephone medical discussion with physician, 21-30 minutes (99443)164 services
4. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)107 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)101 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%
• Diabetes70%
• Chronic kidney disease66%
• Arthritis61%
• Ischemic heart disease53%

Hospitals where Hiram S. Palmer works

Medicare's Facility Affiliation Data lists Hiram S. Palmer 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
• Monterey Park HospitalMonterey Park, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050736

Practice locations

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

• 1701 E Cesar Chavez Ave, Suite 403Los Angeles, CA 90033
• 1701 E Cesar E Chavez Ave, Suite 403Los Angeles, CA 90033 (323) 224‑2040

Group practices

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

• Schubert Palmer, M.D., Inc.2 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Los Angeles

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

• Daniel A. Daneshvar, MD
• Jamie K. Harrington, MD
• Joseph Ghazal, MD
• Enrique L. Ostrzega, MD
• Jae Hyung Cho, MD
• Anne M. Ichiuji, MD
• Marc J. Girsky, MD
• Xinjiang Cai, MD

All cardiologists in Los Angeles →

Other clinicians in Schubert Palmer, M.D., Inc.

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

• Thomas C. Doerner, 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