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

John R Marshall, DO

Individual provider Addiction Psychiatry Physician · NPI 1033263009

John R Marshall, DO is an Addiction Psychiatry Physician in Arlington, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2007
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 checks out

1107 N Cooper St
Arlington, TX 76011-5545
Phone: (817) 860-6067
Fax: (817) 860-6016
Show map & directions

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

Specialties & licences

Addiction Psychiatry Physician (primary) Taxonomy 2084P0802X · Licence G5333 (TX)

Record details

NPI number1033263009
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJanuary 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1107 N Cooper St, Arlington, TX 76011-5545

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