Doctor profile · Federal record

Dr. Louis Hahn, DO

Hospitalist Physician (CMS: Hospitalist) · Columbus, OH

  • NPI 1649899717
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 S Grant Ave
Columbus, OH 432154701
(614) 566-8883
fax (614) 566-8149
Mailing address
Po Box 7527
Dublin, OH 430170727

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
September 21, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Ohio #34.016676

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649899717. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
1
Medicare allowed
$5,700
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 34 32 $168

In context: peer comparison

Among 131 peers in this city , average services per provider: 81. This provider delivers 0.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Hahn's medical specialty?
Dr. Louis Hahn practices Hospitalist Physician in Columbus, OH.
Where does Dr. Louis Hahn practice?
Dr. Louis Hahn practices at 111 S Grant Ave, Columbus, OH 432154701. Office phone: 6145668883.
What is Dr. Louis Hahn's NPI?
Dr. Louis Hahn's National Provider Identifier (NPI) is 1649899717, issued by NPPES.
Does Dr. Louis Hahn accept Medicare assignment?
Yes. Dr. Louis Hahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Hahn commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.