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

Dr. Adrienne J Nguyen, MD

Individual provider Gastroenterology Physician · NPI 1376635219

Dr. Adrienne J Nguyen, MD is a Gastroenterology in San Carlos, California. Graduated from University of Missouri, Kansas City, School of Medicine in 1996, 30 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Missouri.

Years since qualifying
30
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
CA, MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1000 Laurel St
San Carlos, CA 94070-3939
Phone: (650) 596-8800
Fax: (650) 596-8802
Show map & directions

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

Additional practice locations (2)

  • 6500 Hospital Dr, Hannibal, MO 63401-6890 — (573) 629-3491
  • 6000 Hospital Dr, Hannibal, MO 63401-6887 — (573) 248-1300

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence C53504 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 2013009358 (MO)

Record details

NPI number1376635219
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJune 3, 2026
Certification dateJune 3, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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