Gregory J. Galbreath, MD

Medicare activity in 2024

Official CMS public-use data for Gregory J. Galbreath, 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 low level od decision making, if using time, 20 minutes or more (99213)109 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)58 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)17 services
4. Insertion of needle into vein for collection of blood sample (36415)16 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 pressure69%
• High cholesterol64%
• Diabetes38%
• Arthritis34%
• Chronic kidney disease16%
• Ischemic heart disease14%

Hospitals where Gregory J. Galbreath works

Medicare's Facility Affiliation Data lists Gregory J. Galbreath 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.

• PIH Health Hospital-WhittierWhittier, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050169

Practice locations

Addresses where Gregory J. Galbreath is enrolled with Medicare (CMS data updated October 2, 2026).

• 12675 La Mirada Blvd, Suite 201and401La Mirada, CA 90638 (562) 903‑7339

Group practices

Medicare enrollment lists Gregory J. Galbreath as a member of this group (CMS data updated October 2, 2026).

• PIH Health Physicians622 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in La Mirada

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

• Marcus W. Lum, MD
• Kathleen L. Barry, MD
• Rafael Rubalcava, MD
• Scott S. Lee, DO
• Edward L. Kedda, DO
• Weiran Zhang, DO
• Michael T. Tarkey, MD
• Hyejin G. Jae, MD

All family doctors in La Mirada →

Other clinicians in PIH Health Physicians

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

• Tracey S. Kim, MD
• Leia B. Tang, PA
• Lorellen M. Green, MD
• Argin Haritounian, DO
• Isaac T. Cooley, AU
• Rosalie Pham, 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