Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Rex Chang Manayan, MD

Individual provider Surgery Physician · NPI 1649278599

Dr. Rex Chang Manayan, MD is a General Surgery in Ontario, California. Graduated from Tufts University School of Medicine in 1991, 35 years ago. Practices with Arizona Uvc Medical PLLC, a 12-clinician group and accepts Medicare assignment. Licensed in Arizona, California and Colorado.

Years since qualifying
35
Trained at
Tufts University School of Medicine
Licensed in
AZ, CA, CO
In the registry since
2005
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3333 Concours Ste 100
Ontario, CA 91764-4875
Phone: (909) 481-3242
Fax: (909) 481-3243
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence 67209 (AZ)
Surgery Physician Taxonomy 208600000X · Licence G86289 (CA)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence DR.0059259 (CO)
Phlebology Physician Taxonomy 202K00000X · Licence 67209 (AZ)

Record details

NPI number1649278599
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 13, 2005
Last updated in NPPESNovember 13, 2025
Certification dateNovember 13, 2025
Mailing address71780 San Jacinto Dr Bldg I, Rancho Mirage, CA 92270-5516

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Arizona Uvc Medical Pllc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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