Abdol Memar-Zia, MD
Internal Medicine Physician · Simi Valley, CA
Abdol Memar-Zia, MD is an internal medicine physician with a practice address in Simi Valley, California, and NPI 1639122112, issued on May 18, 2006. Check the license (California A33418, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Abdol Memar-Zia
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A33418 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1687 Erringer RD, Simi Valley, CA 93065
- Phone
- (805) 527-6666
- Enumerated
- May 18, 2006
- Record last updated
- Dec 31, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (805) 527-2212
- Medicare enrollment
- Enrolled (PECOS I20110329000351); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1687 Erringer RD
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Verify Abdol Memar-Zia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A33418Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
10,970 Medicare Part D claims for 574 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 73 claims were for opioids.
Most prescribed
- Atorvastatin Calcium799 claims
- Levothyroxine Sodium591 claims
- Amlodipine Besylate401 claims
- Losartan Potassium384 claims
- Simvastatin342 claims
- Metformin Hcl251 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Abdol Memar-Zia among 17,696 internal medicine physician records in California
Abdol Memar-Zia, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1974 · median 2004 among the 11,065 with a school on file
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Simi Valley
They are 25 of the 1,397 NPPES records with a practice address in Simi Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Simi Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Dichter, M.D.Simi Valley, CA 930651841265261
- Gurdip Flora, M.DSimi Valley, CA 930651164611075
- Chandrashekhar Joshi, MDSimi Valley, CA 930651215049374
- Charles Kennedy, MDSimi Valley, CA 930651942576111
- William Lee, MDSimi Valley, CA 930651619960705
- Mojgan Makhsoosi, M.D. INC.Simi Valley, CA 930651346218658
- Smita Mandal, M.D.Simi Valley, CA 930651285876854
- William Matzner, M.D., PH.D.Simi Valley, CA 930651306905716
Common questions
What is Abdol Memar-Zia, MD's NPI number?
Abdol Memar-Zia, MD's National Provider Identifier (NPI) is 1639122112, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Abdol Memar-Zia, MD located?
The NPPES record lists a practice address at 1687 Erringer RD, Simi Valley, CA, 93065. Phone: (805) 527-6666. Providers update this record themselves, so call before visiting.
How can I verify Abdol Memar-Zia, MD's license?
NPPES lists California license number A33418, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Abdol Memar-Zia, MD prescribe under Medicare Part D?
In 2024, Abdol Memar-Zia, MD had 10,970 Medicare Part D claims for 574 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Abdol Memar-Zia, MD's MIPS final score?
The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.