Doctor profile · Federal record

Dr. AHMED ABOU-ZAMZAM, M.D.

Vascular Surgery Physician (CMS: VASCULAR SURGERY) · LOMA LINDA, CA

  • NPI 1558306795
  • Accepts Medicare
  • MIPS 76.4 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11370 ANDERSON ST, SUITE 2100
LOMA LINDA, CA 92354
(909) 558-2822
Mailing address
54701 FILE NUMBER
LOS ANGELES, CA 900744701

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 23, 2018
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State license (1)
California #G85695
Medicaid
CA #00G856950

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558306795. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
995
Distinct HCPCS
10
Medicare allowed
$63,317
HCPCS Description Services Patients Avg allowed
93880 Ultrasound of both sides of head and neck blood flow 280 269 $39
93923 Complete ultrasound study of arm and leg arteries 147 123 $22
99214 Established patient office or other outpatient visit, 30-39 minutes 116 94 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 113 97 $92
99204 New patient office or other outpatient visit, 45-59 minutes 74 74 $170
93924 Ultrasound of leg arteries at rest and after exercise 63 59 $24
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 61 59 $84
93922 Ultrasound study of arm and leg arteries 55 54 $12
93926 Ultrasound of one leg arteries or artery grafts 36 28 $23
93925 Ultrasound of leg arteries or artery grafts 26 24 $38

In context: peer comparison

Among 2 peers in this city , average services per provider: 61. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$739
Transactions
18
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
W. L. Gore & Associates, Inc. 6 $283.03
Bard Peripheral Vascular, Inc. 1 $152.43
Medtronic, Inc. 3 $84.84
Cook Medical LLC 3 $75.13
Integra LifeSciences Corporation 1 $35.43
Silk Road Medical, Inc. 1 $31.29
Acera Surgical, Inc. 1 $29.03
Shape Memory Medical Inc. 1 $25.92
AngioDynamics, Inc. 1 $21.64

By nature of payment

Food and Beverage
$739

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
101
Patients
12
Total drug cost
$27,834
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 25 0 $26,299
Atorvastatin Calcium Generic 21 0 $228
Cilostazol Generic 19 0 $913
Clopidogrel (Clopidogrel Bisulfate) Brand 19 0 $323
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 12 $72