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

Van Tuyet Ong, DO

Individual provider Hospitalist Physician · NPI 1285990614

Van Tuyet Ong, DO is an Internal Medicine in Sunnyvale, California. Qualified in 2012, 14 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
14
Licensed in
CA
In the registry since
2012
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

301 Old San Francisco Rd
Sunnyvale, CA 94086-6386
Phone: (408) 730-4360
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 20A14108 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence 20A14108 (CA)

Record details

NPI number1285990614
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 10, 2012
Last updated in NPPESJune 8, 2020
Certification dateJune 8, 2020
Mailing address325 Distel Cir, Los Altos, CA 94022-1408

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGENERAL PRACTICE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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