Doctor profile · Federal record

Dr. Landon Frank

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Tahlequah, OK

  • NPI 1427625714
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 E Downing St
Tahlequah, OK 744643324
(918) 456-0641

Credentials & registration

NPPES · NUCC
NPI registered
June 2021 — 5 yrs on file
Profile last updated
August 12, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oklahoma #8183

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427625714. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Roche Diagnostics Corporation 1 $20.81

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
93
Patients
27
Total drug cost
$17,667
Drug Type Claims Patients Total cost
Cefdinir Generic 18 15 $199
Potassium Chloride Generic 18 0 $330
Atorvastatin Calcium Generic 17 12 $143
Eliquis (Apixaban) Brand 14 0 $16,792
Levothyroxine Sodium Generic 13 0 $140
Lisinopril Generic 13 0 $62

Frequently asked questions

Auto-generated from federal data
What is Dr. Landon Frank's medical specialty?
Dr. Landon Frank practices Internal Medicine Physician in Tahlequah, OK.
Where does Dr. Landon Frank practice?
Dr. Landon Frank practices at 1400 E Downing St, Tahlequah, OK 744643324. Office phone: 9184560641.
What is Dr. Landon Frank's NPI?
Dr. Landon Frank's National Provider Identifier (NPI) is 1427625714, issued by NPPES.
Does Dr. Landon Frank accept Medicare assignment?
Yes. Dr. Landon Frank accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.