Ahmed Abou-Zamzam, M.D.
Vascular Surgery Physician · Loma Linda, CA
Ahmed Abou-Zamzam, M.D. is a vascular surgery physician with a practice address in Loma Linda, California, and NPI 1558306795, issued on Jun 19, 2006. Check the license (California G85695, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ahmed Abou-Zamzam
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- G85695 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11370 Anderson St, Loma Linda, CA 92354
- Phone
- (909) 558-2822
- Enumerated
- Jun 19, 2006
- Record last updated
- Jul 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 00G856950 CA
- Medicare enrollment
- Enrolled (PECOS I20041221000466); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 580 in California → Look up another NPI →
Also registered at 11370 Anderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shamel Abd-Allah, M.D.Pediatric Critical Care Medicine Physician1407879257
- Amir Abdi Pour, MDNephrology Physician1912187477
- Carine AbinaderWomen's Health Nurse Practitioner1174345771
- Ray Abinader, M.D.Obstetrics & Gynecology Physician1770901548
- Borhaan Ahmad, M.D.Pediatrics Physician1740203595
- Crystal Alvarez, D.O.Surgery Physician1437444841
Verify Ahmed Abou-Zamzam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average vascular surgery physician in 2024
253 Medicare Part D claims for 90 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Cilostazol62 claims
- Clopidogrel38 claims
- Atorvastatin Calcium29 claims
- Eliquis18 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $738.74
18 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ahmed Abou-Zamzam among 580 vascular surgery physician records in California
Ahmed Abou-Zamzam, M.D. is one of 580 vascular surgery physician records with a practice address in California. 84% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1992 · median 2003 among the 411 with a school on file
- Record last updated2018 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
All 580 in California → Every provider in Loma Linda → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Ghaleb Darwazeh, M.D.Loma Linda, CA 923541326320003
- William Duong, M.D.Loma Linda, CA 923541427402445
- Rumi Faizer, M.D.Loma Linda, CA 923541720025455
- Allen Murga, M.D.Loma Linda, CA 923541124386370
- Ramola Panchal, MDLoma Linda, CA 923541225569098
- Theodore Teruya, MDLoma Linda, CA 923541538233572
- Mary Grewal, D.O.Loma Linda, CA 923571821480732
- Kristyn Mannoia, M.D.Loma Linda, CA 923501184910762
Common questions
What is Ahmed Abou-Zamzam, M.D.'s NPI number?
Ahmed Abou-Zamzam, M.D.'s National Provider Identifier (NPI) is 1558306795, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ahmed Abou-Zamzam, M.D. located?
The NPPES record lists a practice address at 11370 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-2822. Providers update this record themselves, so call before visiting.
How can I verify Ahmed Abou-Zamzam, M.D.'s license?
NPPES lists California license number G85695, 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 Ahmed Abou-Zamzam, M.D. prescribe under Medicare Part D?
In 2024, Ahmed Abou-Zamzam, M.D. had 253 Medicare Part D claims for 90 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is Ahmed Abou-Zamzam, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. 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.