Amer Zarka, M.D.
NPI 1629096664 · Specialist · Santa Ana, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amer Zarka, M.D. is a Specialist provider in Santa Ana, CA (NPI 1629096664).
Provider details
- NPI number
- 1629096664
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A52935 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
9,334 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,619 | $122 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 1,180 | $54 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 1,180 | $42 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 1,162 | $67 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 1,044 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 289 | 82 |
| Atorvastatin Calcium | 275 | 99 |
| Carvedilol | 219 | 75 |
| Amlodipine Besylate | 199 | 59 |
| Metoprolol Succinate | 176 | 49 |
| Sacubitril/Valsartanbrand: Entresto | 154 | 35 |
| Furosemide | 147 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$698 across 31 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 12555 Garden Grove Blvd Ste 403Garden Grove, CA 92843-1903Phone: (714) 266-1666Fax: (714) 459-5950
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2024-11-18
- Certified
- 2024-11-18
Frequently asked questions
- What is Amer Zarka's NPI number?
- Amer Zarka's National Provider Identifier (NPI) is 1629096664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amer Zarka's specialty?
- Amer Zarka is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Amer Zarka located?
- Amer Zarka's practice location on file with NPPES is 1220 Hemlock Way Ste 204, Santa Ana, CA 92707-3655.
- What is Amer Zarka's phone number?
- The practice phone number listed in the NPPES registry for Amer Zarka is (714) 266-1666.
- Does Amer Zarka accept Medicare?
- Amer Zarka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amer Zarka's NPI active?
- Yes — Amer Zarka's NPI (1629096664) is active in the NPPES registry as of the last update on 2024-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.