DR. STEPHEN B PREPAS M.D.
NPI 1023103660
Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist in Irvine, CA

Q: What is Stephen Prepas's NPI number?

The NPI number for Stephen Prepas is 1023103660. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Q: What is Stephen Prepas's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Pediatric Ophthalmology and Strabismus Specialist, with taxonomy code 207WX0110X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Prepas was last updated on January 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment

850 HEALTH SCIENCES RD, IRVINE, CA 92617(949) 824-2020 Get Directions Write a Review

NPPES record last updated: January 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Stephen B Prepas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN B PREPAS M.D. (NPI 1023103660) is an individual pediatric ophthalmology and strabismus specialist in Irvine, California, licensed in California (G32851) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Newport Beach, and is a graduate of University Of California, Irvine, California College Of Medicine (1975).

NPPES Registry Identity

NPI1023103660

Entity TypeIndividualMale

Primary Taxonomy207WX0110X

Provider Legal NameDR. STEPHEN B PREPASCredential: M.D.

Location Address850 HEALTH SCIENCES RDIrvine, CA 92617-3058

Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986

Phone(949) 824-2020

Sole ProprietorNo

Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 1975

Enumeration DateOctober 3, 2006

Last NPPES UpdateJanuary 23, 2025

NPPES CertifiedJanuary 23, 2025

✔ NPI 1023103660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmology · Pediatric Ophthalmology and Strabismus SpecialistAllopathic & Osteopathic Physicians

Taxonomy Code207WX0110X

License✔ Licensed in CA · G32851

Definition

An ophthalmologist who specializes in pediatric ophthalmology and strabismus management. The subspecialty includes the medical and surgical management of eye disorders found in children. Some of the more common disorders include amblyopia, strabismus, refractive error, cataract and glaucoma. These disorders may be related to neurological and endocrinological diseases, trauma, or aging changes in the extraocular muscles requiring medical, optical and surgical management.

Also ListedOphthalmologyTaxonomy 207W00000X · License G32851 (CA)

850 HEALTH SCIENCES RD, Irvine, CA 92617

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Secondary Practice Location 1

Location 1360 San Miguel, Suite 407Newport Beach, CA 92660 · Phone (949) 644-7026 · Fax (949) 644-7029

Other Identifiers 1

MedicaidGR0044731CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen B Prepas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID345349585

PECOS Enrollment IDI20111129000153

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

31 services26 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

18 services16 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92617 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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