Doctor profile · Federal record
Dr. AHMAD ABOU ABBASS, M.D
Surgical Oncology Physician (CMS: GENERAL SURGERY) · Transplant Surgery Physician · Surgery Physician · MISSION VIEJO, CA
- NPI 1790946895
- Accepts Medicare
- MIPS 83.5 / 100 · 2023
- 24 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
26732 CROWN VALLEY PKWY STE 351
MISSION VIEJO, CA 92691
(949) 364-1007
fax (949) 364-6057 - Additional location
-
1000 Fivepoint Ste A
Irvine, CA 926182621
(949) 671-8000
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- April 9, 2026
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 2086X0206X — NUCC code
- State licenses (2)
- California #A152200 · Michigan #4301091303
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790946895. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
388
Distinct HCPCS
10
Medicare allowed
$81,327
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 66 | 65 | $181 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 61 | 45 | $100 | |
47563 |
Removal of gallbladder with x-ray study of bile ducts using an endoscope | 37 | 37 | $764 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 37 | 37 | $80 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 36 | 20 | $82 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 28 | 23 | $127 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 26 | 23 | $196 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 25 | 25 | $123 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 24 | 23 | $141 | |
49650 |
Repair of groin hernia using an endoscope | 22 | 22 | $448 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 32. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$104,009
Transactions
80
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | 73 | $103,577.27 | |
| Dilon Technologies, Inc. | 1 | $159.09 | |
| Davol Inc. | 1 | $112.73 | |
| Medtronic, Inc. | 2 | $101.23 | |
| ABBVIE INC. | 2 | $33.45 | |
| Becton, Dickinson and Company | 1 | $25.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
19
Patients
0
Total drug cost
$11,774
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Creon (Lipase/Protease/Amylase) | Brand | 19 | 0 | $11,774 |