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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MIENA ONOZAWA WILLIAMS
NPI 1154287340
Physician Assistant in San Diego, CA

Active since December 31, 2025
4060 FOURTH AVE STE 650, SAN DIEGO, CA 92103(858) 900-9778 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 10, 2026, Dec 31, 2025 (2 updates tracked since 2025).

About Miena Onozawa Williams NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MIENA ONOZAWA WILLIAMS (NPI 1154287340) is an individual physician assistant in San Diego, California and active in the NPI registry since December 2025.

NPPES Registry Identity

NPI1154287340
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMIENA ONOZAWA WILLIAMS
Location Address4060 FOURTH AVE STE 650San Diego, CA 92103-2121
Mailing Address4060 Fourth Ave Ste 650San Diego, CA 92103-2121
Phone(858) 900-9778
Sole ProprietorNo
Enumeration DateDecember 31, 2025
Last NPPES UpdateAugust 10, 20262 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
✔ NPI 1154287340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
4060 FOURTH AVE STE 650, San Diego, CA 92103
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Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JIGAR D. PATEL D.O.
Internal Medicine (Clinical Cardiac Electrophysiology)
4060 FOURTH AVE STE 650
SAN DIEGO, CA 92103
San Diego County (858) 900-9778
DR. POULINA QAZI UDDIN MD
Internal Medicine (Cardiovascular Disease)
4060 FOURTH AVE STE 650
SAN DIEGO, CA 92103
San Diego County (619) 819-7222
SAN DIEGO HEART RHYTHM CENTER A MEDICAL CORPORATION
Internal Medicine (Clinical Cardiac Electrophysiology)
4060 FOURTH AVE STE 650
SAN DIEGO, CA 92103
San Diego County (858) 900-9778
STEVIE LYNNE WISZ PA-C
Physician Assistant
4060 FOURTH AVE STE 650
SAN DIEGO, CA 92103
San Diego County (805) 598-3348
KIYON CHUNG MD
Internal Medicine (Cardiovascular Disease)
4060 FOURTH AVE STE 650
SAN DIEGO, CA 92103
San Diego County (619) 819-7222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Miena Williams's NPI number?

The NPI number for Miena Williams is 1154287340. It was assigned to this individual provider in the NPPES registry on December 31, 2025.

Where is Miena Williams located?

Miena Williams practices at 4060 Fourth Ave Ste 650, San Diego, CA 92103. The listed phone number is (858) 900-9778.

What is Miena Williams's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Miena Williams was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.