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

John Thomas O'Connor Jr., DO

Individual provider Family Medicine Physician · NPI 1831140193

John Thomas O'Connor Jr., DO is a Family Medicine Physician in Marietta, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
In the registry since
2006
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

301 Wanda St
Marietta, OK 73448-1229
Phone: (580) 276-2400
Fax: (580) 276-4358
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 1634 (OK)

Record details

NPI number1831140193
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESSeptember 20, 2007
Mailing address301 Wanda St, Marietta, OK 73448-1229

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