Dr Rex Chang Manayan, MD in Ontario, CA - Medicare General Surgery

Dr Rex Chang Manayan, MD is a medicare enrolled "Surgery - Vascular Surgery" physician in Ontario, California. He went to Tufts University School Of Medicine and graduated in 1991 and has 34 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Arizona Uvc Medical Pllc and his current practice location is 3333 Concours Ste 100, Ontario, California. You can reach out to his office (for appointments etc.) via phone at (909) 481-3242.

Dr Rex Chang Manayan is licensed to practice in Arizona (license number 67209) 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 1649278599.

Contact Information

	Dr Rex Chang Manayan, MD
	3333 Concours Ste 100, Ontario, CA 91764-4875
	(909) 481-3242
	(909) 481-3243

Map and Direction

Physician's Profile

Full Name	Dr Rex Chang Manayan
Gender	Male
Speciality	General Surgery
Experience	34 Years
Location	3333 Concours Ste 100, Ontario, 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 Rex Chang Manayan attended and graduated from Tufts University School Of Medicine in 1991

NPI Data:

NPI Number: 1649278599
Provider Enumeration Date: 07/13/2005
Last Update Date: 11/13/2025

Medicare PECOS Information:

PECOS PAC ID: 8224009139
Enrollment ID: I20220809001147

Medical Identifiers

Medical identifiers for Dr Rex Chang Manayan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1649278599	NPI	-	NPPES
154997	Medicaid	AZ

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208600000X	Surgery	G86289 (California)	Secondary
2086S0129X	Surgery - Vascular Surgery	DR.0059259 (Colorado)	Secondary
2086S0129X	Surgery - Vascular Surgery	67209 (Arizona)	Primary
202K00000X	Phlebology	67209 (Arizona)	Secondary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Arizona Uvc Medical Pllc	3375973647	7

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 Rex Chang Manayan allows following entities to bill medicare on his behalf.

Entity Name	Arizona Uvc Medical Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1548800980 PECOS PAC ID: 3375973647 Enrollment ID: O20200429000833

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 Rex Chang Manayan 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 Rex Chang Manayan, MD 71780 San Jacinto Dr Bldg I, Rancho Mirage, CA 92270-5516 Ph: (760) 568-3461	Dr Rex Chang Manayan, MD 3333 Concours Ste 100, Ontario, CA 91764-4875 Ph: (909) 481-3242

Reviews and Comments

Surgery Doctors in Ontario, CA

Edwin Nathaniel Kendrick Iii, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 3200 Inland Empire Blvd Ste 275, Ontario, CA 91764 Phone: 626-623-6040 Fax: 909-366-5940
Sunal Patel, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 2295 S Vineyard Ave, Ontario, CA 91761 Phone: 909-724-3223
Joanna Christine Lim, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 2295 S Vineyard Ave Bldg D, Ontario, CA 91761 Phone: 909-724-5000
Stewart E Rendon, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 754 N Mountain Ave, Ontario, CA 91762 Phone: 909-460-4155 Fax: 909-988-4414

Dr Rex Chang Manayan, MD - Medicare General Surgery in Ontario, CA