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

Dr. Justin Thankachan, MD

Individual provider Internal Medicine Physician · NPI 1851433221

Dr. Justin Thankachan, MD is a Hospitalist in Tulsa, Oklahoma. Graduated from University of Oklahoma College of Medicine in 2005, 21 years ago. Practices with Cherokee Nation, a 448-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Oklahoma.

Years since qualifying
21
Trained at
University of Oklahoma College of Medicine
Licensed in
OK
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1120 S Utica Ave
Tulsa, OK 74104-4090
Phone: (918) 579-1000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (2)

  • 19600 E Ross St, Tahlequah, OK 74464-0545 — (539) 234-2250
  • 10109 E 79th St, Tulsa, OK 74133-4682 — (918) 233-9550

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 24623 (OK)

Record details

NPI number1851433221
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 13, 2007
Last updated in NPPESFebruary 16, 2026
Certification dateFebruary 16, 2026

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Cherokee Nation — 448 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in Tulsa