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

Mr. Ernest Okwuonu, MD

Individual provider Psychiatry Physician · NPI 1639735665

Mr. Ernest Okwuonu, MD is a Psychiatry in Palo Alto, California. Qualified in 2018, 8 years ago. Practices with Comprehensive Psychiatric Services a Medical Group, a 73-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Washington.

Years since qualifying
8
Licensed in
CA, WA
In the registry since
2019
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

500 Pasteur Dr
Palo Alto, CA 94304-1048
Phone: (650) 723-0895
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A185688 (CA)
Psychiatry Physician Taxonomy 2084P0800X · Licence MD61551380 (WA)

Record details

NPI number1639735665
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 15, 2019
Last updated in NPPESMarch 17, 2025
Certification dateMarch 17, 2025

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Comprehensive Psychiatric Services A Medical Group — 73 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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