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

Mr. William Bryan Rivera, MD

Individual provider General Acute Care Hospital · NPI 1447498985

Mr. William Bryan Rivera, MD is a Colorectal Surgery (Proctology) in Apple Valley, California. Graduated from New York Medical College in 2003, 23 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
New York Medical College
Licensed in
CA
In the registry since
2009
Specialties on file
2
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

18144 US Hwy 18 Ste 130
Apple Valley, CA 92307
Phone: (760) 278-9477
Fax: (760) 813-7004
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence A 111003 (CA)
General Acute Care Hospital Taxonomy 282N00000X

Record details

NPI number1447498985
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 21, 2009
Last updated in NPPESMarch 22, 2024
Certification dateMarch 22, 2024
Mailing address12277 Apple Valley Rd #450, Apple Valley, CA 92308

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Also practisesGENERAL SURGERY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2003 (23 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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