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Edit this profileWhere to find Stephen B. Prepas, M.D.
- Irvine location main office
850 Health Sciences Rd, Irvine, CA 92617 - Newport Beach location
360 San Miguel, Suite 407, Newport Beach, CA 92660
About Dr. Prepas
Stephen B. Prepas, M.D. is a healthcare provider in Irvine, CA specializing in ophthalmology. Stephen trained at University of California, Irvine, California College of Medicine, graduating in 1975. Stephen is also listed as specializing in ophthalmology — pediatric. According to Medicare claims data, Stephen cared for 54 Medicare patients across 62 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and imaging of retina. This provider record is associated with NPI 1023103660.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (949) 824-2020
- Email not available
Practice Locations
850 HEALTH SCIENCES RD
Irvine, CA 92617
360 San Miguel Suite 407
Newport Beach, CA 92660
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
62 services · 54 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of retina | Treatment | 92134 |
13 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
31 | As often as other peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | Less often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in Irvine 3
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of California, Irvine, California College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1975 at University of California, Irvine, California College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Imaging of retina 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Stephen B. Prepas specialize in?
Stephen B. Prepas is an eye doctor in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Stephen B. Prepas located?
Stephen B. Prepas is listed at 850 Health Sciences Rd, Irvine, CA 92617. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Stephen B. Prepas's phone number?
The number on file is (949) 824-2020. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Stephen B. Prepas's NPI number?
Stephen B. Prepas's National Provider Identifier is 1023103660. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Stephen B. Prepas train?
Stephen B. Prepas attended University of California, Irvine, California College of Medicine, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How long has Stephen B. Prepas been practicing?
Stephen B. Prepas has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What does Stephen B. Prepas do most often?
According to Medicare billing data, Stephen B. Prepas provides treatments such as imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Stephen B. Prepas confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Stephen B. Prepas. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.