Dr Stephen B Prepas, MD in Irvine, CA - Medicare Ophthalmology

Dr Stephen B Prepas, MD is a medicare enrolled "Ophthalmology - Pediatric Ophthalmology And Strabismus Specialist" physician in Irvine, California. He went to University Of California, Irvine, California College Of Medicine and graduated in 1975 and has 50 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Regents Of The University Of California and his current practice location is 850 Health Sciences Rd, Irvine, California. You can reach out to his office (for appointments etc.) via phone at (949) 824-2020.

Dr Stephen B Prepas is licensed to practice in California (license number G32851) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1023103660.

Contact Information

	Dr Stephen B Prepas, MD
	850 Health Sciences Rd, Irvine, CA 92617-3058
	(949) 824-2020
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Stephen B Prepas
Gender	Male
Speciality	Ophthalmology
Experience	50 Years
Location	850 Health Sciences Rd, Irvine, California
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Stephen B Prepas attended and graduated from University Of California, Irvine, California College Of Medicine in 1975

NPI Data:

NPI Number: 1023103660
Provider Enumeration Date: 10/03/2006
Last Update Date: 01/23/2025

Medicare PECOS Information:

PECOS PAC ID: 0345349585
Enrollment ID: I20111129000153

Medical Identifiers

Medical identifiers for Dr Stephen B Prepas such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1023103660	NPI	-	NPPES
GR0044731	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207W00000X	Ophthalmology	G32851 (California)	Secondary
207WX0110X	Ophthalmology - Pediatric Ophthalmology And Strabismus Specialist	G32851 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
University Of California Irvine Medical Center	Orange, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Regents Of The University Of California	9830094275	48

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Stephen B Prepas allows following entities to bill medicare on his behalf.

Entity Name	Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1487602579 PECOS PAC ID: 7315841434 Enrollment ID: O20031120000945

Entity Name	Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1871541953 PECOS PAC ID: 9830094275 Enrollment ID: O20031126000755

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Stephen B Prepas is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Stephen B Prepas, MD 200 S Manchester Ave Ste 300, Orange, CA 92868-3219 Ph: (714) 456-2986	Dr Stephen B Prepas, MD 850 Health Sciences Rd, Irvine, CA 92617-3058 Ph: (949) 824-2020

Reviews and Comments

Ophthalmology Doctors in Irvine, CA

Dr. Lisa Anne Collea, MD Ophthalmology Medicare: Medicare Enrolled Practice Location: 850 Health Sciences Rd Fl 3, Irvine, CA 92617 Phone: 949-824-1119
Dr. Alexandra Christine Chebil, M.D. Ophthalmology Medicare: Medicare Enrolled Practice Location: 2192 Martin, Suite 135, Irvine, CA 92612 Phone: 949-251-0229 Fax: 949-251-8945
Dr. Olivia L Lee, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 850 Health Sciences Rd, Irvine, CA 92617 Phone: 949-824-2020
Dr. Andrew Wellesley Browne, M.D., PH.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 850 Health Sciences Rd, Irvine, CA 92617 Phone: 949-824-2020
Dr. Tu Minh Tran, MD, MSC Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 850 Health Sciences Rd, Irvine, CA 92617 Phone: 949-824-2020 Fax: 855-376-5057
Dr. Mohammad Riazi Esfahani, MD Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 850 Health Sciences Rd, Irvine, CA 92617 Phone: 949-824-6109 Fax: 949-824-2073

Dr Stephen B Prepas, MD - Medicare Ophthalmology in Irvine, CA