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

Mr. Landon Mitchell Frank

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1427625714

Mr. Landon Mitchell Frank is an Internal Medicine in Tahlequah, Oklahoma. Graduated from Oklahoma State University College of Osteopathic Medicine in 2022, 4 years ago. Practices with Northeastern Health System, a 104-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
4
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
OK
In the registry since
2021
Specialties on file
2
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Practice location Address checks out

1400 E Downing St
Tahlequah, OK 74464-3324
Phone: (918) 456-0641
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 8183 (OK)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1427625714
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJune 7, 2021
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025
Mailing address1400 E Downing St, Tahlequah, OK 74464-3324

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2022 (4 years in practice)
Group practice Northeastern Health System — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Tahlequah