Thomas G. Hirose, MD

Medicare activity in 2024

Official CMS public-use data for Thomas G. Hirose, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,781 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)131 services
3. Blood bank physician services for cross match and/or evaluation and written report (86077)88 services
4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)25 services
5. Blood bank physician services with written report (86079)15 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%
• Arthritis54%
• Atrial fibrillation52%
• Ischemic heart disease40%
• Diabetes39%

Hospitals where Thomas G. Hirose works

Medicare's Facility Affiliation Data lists Thomas G. Hirose 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.

• Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603
• PIH Health Good Samaritan HospitalLos Angeles, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050471
• Providence Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050078
• Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050353

Practice locations

Addresses where Thomas G. Hirose is enrolled with Medicare (CMS data updated October 2, 2026).

• 1680 E 120th StLos Angeles, CA 90059 (424) 338‑8000
• 24407 Calle De La Louisa, Suite 100Laguna Hills, CA 92653 (949) 581‑0555
• 24451 Health Ctr DrLaguna Hills, CA 92653 (310) 225‑3244

Group practices

Medicare enrollment lists Thomas G. Hirose as a member of this group (CMS data updated October 2, 2026).

• Affiliated Pathologists Medical Group, Inc.45 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in California →

Other pathologists in Los Angeles

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

• Kara Tanaka, MD
• Tomic Hacopian, MD
• Ting Zhang, MD
• Farnaz Dadmanesh, MD
• Nick M. Shillingford, MD
• Hehua Huang, MD
• Ryan J. Schmidt, MD
• Sheeja Pullarkat, MD

All pathologists in Los Angeles →

Other clinicians in Affiliated Pathologists Medical Group, Inc.

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

• Wamda Goreal, MD
• Timothy Law, MD
• Igor Kozlov, MD
• Ashley Tarasen, MD
• Michelle Fajardo, DO
• Yong Tao, 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