Doctor profile · Federal record

Dr. Courtney Certain, D.O.

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

  • NPI 1144761305
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3595 Olentangy River RD
Columbus, OH 432143440
(614) 566-5456
Mailing address
1233 N 30Th St
Billings, MT 591010127

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
June 24, 2020
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Montana #87028

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144761305. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
498
Distinct HCPCS
4
Medicare allowed
$72,771
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 296 284 $171
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 118 83 $117
99239 Hospital discharge day management, more than 30 minutes 51 51 $113
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 33 21 $78

In context: peer comparison

Among 166 peers in Columbus Internal Medicine Physician, average services per provider: 93. This provider delivers 5.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Courtney Certain's medical specialty?
Dr. Courtney Certain practices Internal Medicine Physician in Columbus, OH.
Where does Dr. Courtney Certain practice?
Dr. Courtney Certain practices at 3595 Olentangy River RD, Columbus, OH 432143440. Office phone: 6145665456.
What is Dr. Courtney Certain's NPI?
Dr. Courtney Certain's National Provider Identifier (NPI) is 1144761305, issued by NPPES.
Does Dr. Courtney Certain accept Medicare assignment?
Yes. Dr. Courtney Certain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Courtney Certain commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.