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

Dien Thuy Ton-That, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1306074687

Dien Thuy Ton-That, DO is an Internal Medicine in Orange, California. Graduated from Rutgers School of Dental Medicine in 2009, 17 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment.

Years since qualifying
17
Trained at
Rutgers School of Dental Medicine
In the registry since
2009
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

101 The City Dr S Bldg 200 Ste 720
Orange, CA 92868-3201
Phone: (714) 456-5691
Fax: (714) 456-8874
Show map & directions

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

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1306074687
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 25, 2009
Last updated in NPPESDecember 8, 2021
Mailing address101 The City Dr S, Bldg. 200, Ste. 720, Orange, CA 92868-3201

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolRUTGERS SCHOOL OF DENTAL MEDICINE
Graduated 2009 (17 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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