Quick answers
- Does Amer R. Zarka accept Medicare assignment?
- Yes. Medicare's clinician data says Amer R. Zarka accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Amer R. Zarka see?
- In 2024, CMS data shows 415 Original Medicare patients and 9,478 services for Amer R. Zarka. This counts Original Medicare only and measures volume, not quality.
- What is Amer R. Zarka's NPI number?
- 1629096664. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Amer R. Zarka, 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.
| Original Medicare patients | 415 |
|---|---|
| Services billed to Medicare | 9,478 |
| Different services or procedures | 50 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,619 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)1,180 services
- Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)1,180 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)1,162 services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)1,044 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%
- Diabetes75%
- Heart failure62%
- Ischemic heart disease61%
- Arthritis52%
Hospitals where Amer R. Zarka works
Medicare's Facility Affiliation Data lists Amer R. Zarka 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.
- UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348
Practice locations
Addresses where Amer R. Zarka is enrolled with Medicare (CMS data updated October 2, 2026).
- 1220 Hemlock Way, Suite 203Santa Ana, CA 92707 (714) 696‑1498
- 1220 Hemlock Way, Suite 204Santa Ana, CA 92707 (714) 266‑1666
- 17822 Beach Blvd, Suite 373Huntington Beach, CA 92647 (714) 848‑3333
- 3700 Katella Ave, Suite CLos Alamitos, CA 90720 (562) 583‑2250
Group practices
Medicare enrollment lists Amer R. Zarka as a member of these groups (CMS data updated October 2, 2026).
- Prohealth Partners, a Medical Group239 clinicians in the group
- Good Heart Medical Group a Professional Corporation4 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Santa Ana
Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.
Other clinicians in Prohealth Partners, a Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629096664 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians