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

Minh Quoc Nguyen, MD

Individual provider Internal Medicine Physician · NPI 1154403640

Minh Quoc Nguyen, MD is an Internal Medicine in San Marcos, California. Qualified in 2001, 25 years ago. Practices with Graybill Medical Group Inc, a 104-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Licensed in
CA
In the registry since
2006
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

885 Orion Way
San Marcos, CA 92078-0914
Phone: (619) 757-0141
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2185 Citracado Pkwy, Escondido, CA 92029-4159 — (760) 291-6700

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A89951 (CA)

Record details

NPI number1154403640
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 20, 2006
Last updated in NPPESJanuary 7, 2025
Certification dateJanuary 7, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Graybill Medical Group Inc — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in San Marcos