Jennifer A. Hertz, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer A. Hertz, 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. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)243 services
2. Therapy procedure using manual technique, each 15 minutes (97140)241 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)74 services
4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)51 services
5. Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)41 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 pressure74%
• High cholesterol74%
• Arthritis65%
• Diabetes49%
• Chronic kidney disease23%
• Ischemic heart disease22%

Hospitals where Jennifer A. Hertz works

Medicare's Facility Affiliation Data lists Jennifer A. Hertz 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 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 Jennifer A. Hertz is enrolled with Medicare (CMS data updated October 2, 2026).

• 3617 Avalon BlvdLos Angeles, CA 90011 (213) 935‑8566
• 3617 Avalon Blvd, Suite 100Los Angeles, CA 90011 (213) 935‑8566

Group practices

Medicare enrollment lists Jennifer A. Hertz as a member of these groups (CMS data updated October 2, 2026).

• Jah Hand Surgery5 clinicians in the group
• Select Surgical a Medical Corporation2 clinicians in the group

Specialties

• Hand Surgeryprimary

Find other Hand Surgery doctors in California →

Other hand surgeons in Los Angeles

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

• Milan Stevanovic, MD
• Ali Azad, MD
• Dong-Joon Lee, MD
• Gregory J. Hanker, MD
• Meghan C. McCullough, MD
• Eugene Y. Tsai, MD
• Luke T. Nicholson, MD
• Jared A. Niska, MD

All hand surgeons in Los Angeles →

Other clinicians in Jah Hand Surgery

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

• Christopher L. Ruland, MD
• Michael J. Lim, MD
• Pamela C. Luk, MD
• Cyril S. Gary, 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