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

Mary Hoon Oh, MD

Individual provider Surgery Physician · NPI 1124683297

Mary Hoon Oh, MD is a General Surgery in Loma Linda, California. Graduated from Saint Louis University School of Medicine in 2019, 7 years ago. Practices with Faculty Physicians and Surgeons of Llusm, a 1,308-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Trained at
Saint Louis University School of Medicine
Licensed in
CA
In the registry since
2019
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

11370 Anderson St Ste 2100
Loma Linda, CA 92354-3450
Phone: (909) 558-2822
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6550 Fannin St Ste Sm1661, Houston, TX 77030-2717 — (713) 363-9604

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence A201891 (CA)

Record details

NPI number1124683297
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2019
Last updated in NPPESAugust 6, 2025
Certification dateAugust 6, 2025

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Faculty Physicians And Surgeons Of Llusm — 1308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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