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

Catherine Nguyen, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1043660087

Catherine Nguyen, MD is a Family Practice in Walnut Creek, California. Graduated from Tulane University School of Medicine in 2016, 10 years ago. Practices with One Medical Group Inc, a 328-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
10
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2016
Specialties on file
2
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

2337 Oak Grove Rd
Walnut Creek, CA 94598-3506
Phone: (888) 663-6331
Fax: (415) 252-7176
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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 A152492 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1043660087
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2016
Last updated in NPPESMarch 17, 2025
Certification dateMarch 17, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice One Medical Group Inc — 328 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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