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

Dr. Timothy Brian Marcoux Jr., DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1417310533

Dr. Timothy Brian Marcoux Jr., DO is a Student in an Organized Health Care Education/Training Program in Agana, Guam. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2016
Specialties on file
3
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.

See every abbreviation used in this directory →

Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

Nh Guam Mental Health Dept Farenholt Ave Bldg #50
Agana, GU 96910
Phone: (671) 344-9401

Additional practice locations (1)

  • 34800 Bob Wilson Dr, San Diego, CA 92134-1108 — (619) 532-8555

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 20A15972 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Psychiatry Physician Taxonomy 2084P0800X · Licence 20A15972 (CA)

Record details

NPI number1417310533
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 5, 2016
Last updated in NPPESFebruary 23, 2023
Certification dateFebruary 21, 2023