Abdol Memar-Zia, MD
NPI 1639122112 · Internal Medicine Physician · Simi Valley, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abdol Memar-Zia, MD is a Internal Medicine Physician provider in Simi Valley, CA (NPI 1639122112).
Provider details
- NPI number
- 1639122112
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A33418 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,390 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 870 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 398 | $142 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 320 | $117 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 267 | $147 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 197 | $16 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 162 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 799 | 186 |
| Levothyroxine Sodium | 591 | 96 |
| Amlodipine Besylate | 401 | 99 |
| Losartan Potassium | 384 | 94 |
| Simvastatin | 342 | 60 |
| Metformin Hcl | 251 | 70 |
| Tamsulosin Hcl | 233 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2009-12-31
Frequently asked questions
- What is Abdol Memar-Zia's NPI number?
- Abdol Memar-Zia's National Provider Identifier (NPI) is 1639122112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abdol Memar-Zia's specialty?
- Abdol Memar-Zia is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Abdol Memar-Zia located?
- Abdol Memar-Zia's practice location on file with NPPES is 1687 Erringer Rd, Simi Valley, CA 93065-6508.
- What is Abdol Memar-Zia's phone number?
- The practice phone number listed in the NPPES registry for Abdol Memar-Zia is (805) 527-6666.
- Does Abdol Memar-Zia accept Medicare?
- Abdol Memar-Zia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Abdol Memar-Zia's NPI active?
- Yes — Abdol Memar-Zia's NPI (1639122112) is active in the NPPES registry as of the last update on 2009-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.