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John Melvin Valenzuela, NP-C

NPI 1225775372 · on the registry since 2022 · sole proprietor

Practice

Address: 845 W La Veta Ave Ste 105
Orange, CA 92868
Phone: (714) 289-6565
Fax: (714) 289-6571
Organisation at this address: Paul N T Nguyen Dds Inc
Robert C. Armen, M.D., Inc.
Victor Yu-Ching Hsu, M.D., Inc.
Hwy Clinical Laboratory Services Inc
R. William Buster, M.D. And Associates
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 22

Additional practice sites

1100 W Stewart Dr, Orange, CA

Registry record

Primary taxonomy: Family Nurse Practitioner
363LF0000X
Licence states on file: CA
From the registry's licence fields, which are often incomplete.
Sex: Male
Record last updated: 2026-01-14

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California