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

Catherine Van Nguyen-Loh, DO

Individual provider Family Medicine Physician · NPI 1558828848

Catherine Van Nguyen-Loh, DO is a Family Practice in Fountain Valley, California. Qualified in 2019, 7 years ago. Practices with Hoag Clinic, a 443-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
7
Licensed in
CA
In the registry since
2019
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.

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Practice location Address checks out

8970 Warner Ave
Fountain Valley, CA 92708-3211
Phone: (714) 477-8400
Fax: (714) 477-8401
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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 20A20201 (CA)

Record details

NPI number1558828848
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 22, 2019
Last updated in NPPESMarch 5, 2024
Certification dateMarch 5, 2024

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Hoag Clinic — 443 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Fountain Valley