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

Stephanie Elizabeth O'Brien, DO

Individual provider Internal Medicine Physician · NPI 1346944105

Stephanie Elizabeth O'Brien, DO is an Internal Medicine Physician in Tucson, Arizona. Licensed in Arizona. Registered with an NPI since 2023.

Licensed in
AZ
In the registry since
2023
Specialties on file
2
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

6200 N La Cholla Blvd
Tucson, AZ 85741-3529
Phone: (520) 742-9000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 012484 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 012484 (AZ)

Record details

NPI number1346944105
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 27, 2023
Last updated in NPPESJuly 9, 2026
Certification dateJuly 9, 2026

Other providers in Tucson