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

Dr. Willard Seiyoung Chung, MD

Individual provider Family Medicine Physician · NPI 1285898635

Dr. Willard Seiyoung Chung, MD is a Family Practice in Santa Maria, California. Graduated from Eastern Virginia Medical School in 2006, 20 years ago. Practices with Vituity Hospitalists PC, a 78-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
Eastern Virginia Medical School
Licensed in
CA
In the registry since
2008
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

235 S Palisade Dr
Santa Maria, CA 93454
Phone: (805) 739-3561
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A104456 (CA)

Record details

NPI number1285898635
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 15, 2008
Last updated in NPPESDecember 20, 2022
Certification dateDecember 20, 2022

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolEASTERN VIRGINIA MEDICAL SCHOOL
Graduated 2006 (20 years in practice)
Group practice Vituity Hospitalists Pc — 78 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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