Doctor profile · Federal record
Dr. Stephen Prepas, M.D.
Pediatric Ophthalmology and Strabismus Specialist Physician Physician (CMS: Ophthalmology) · Ophthalmology Physician · Irvine, CA
- NPI 1023103660
- Accepts Medicare
- 51 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
850 Health Sciences RD
Irvine, CA 926173058
(949) 824-2020 - Additional location
-
360 San Miguel, Suite 407
Newport Beach, CA 92660
(949) 644-7026
fax (949) 644-7029 - Mailing address
-
200 S Manchester Ave Ste 300
Orange, CA 928683219
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- January 23, 2025
- Year of graduation
- 1975 — 51 yrs since
- Specialty taxonomy
- 207WX0110X — NUCC code
- State license (1)
- California #G32851
- Medicaid
- CA #GR0044731
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023103660. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
76
Distinct HCPCS
4
Medicare allowed
$6,380
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 18 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 23 | $103 | |
92134 |
Imaging of retina | 13 | 12 | $27 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $141 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 19. This provider delivers 4.0× the peer median.Frequently asked questions
What is Dr. Stephen Prepas's medical specialty?
Dr. Stephen Prepas practices Pediatric Ophthalmology and Strabismus Specialist Physician Physician in Irvine, CA.
Where does Dr. Stephen Prepas practice?
Dr. Stephen Prepas practices at 850 Health Sciences RD, Irvine, CA 926173058. Office phone: 9498242020.
What is Dr. Stephen Prepas's NPI?
Dr. Stephen Prepas's National Provider Identifier (NPI) is 1023103660, issued by NPPES.
Does Dr. Stephen Prepas accept Medicare assignment?
Yes. Dr. Stephen Prepas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Prepas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.