Doctor profile · Federal record

Dr. Matthew Hammar, D.O.

Pulmonary Disease Physician (CMS: Internal Medicine) · Critical Care Medicine (Internal Medicine) Physician · Columbus, OH

  • NPI 1174790612
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1087 Dennison Ave
Columbus, OH 432013201
(614) 360-9754
Mailing address
4619 Kenny RD
Columbus, OH 432202779

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
August 22, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Ohio #34.009441
Medicaid
OH #2923466

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174790612. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,846
Distinct HCPCS
7
Medicare allowed
$202,864
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 1,205 78 $112
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 400 49 $75
99291 Critical care, first 30-74 minutes 114 27 $204
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 65 59 $162
31502 Change of breathing tube in windpipe 35 27 $30
31624 Irrigation and suction of lung airways to obtain cells using an endoscope 16 12 $120
99292 Critical care, each additional 30 minutes 11 11 $104

In context: peer comparison

Among 38 peers in Columbus Pulmonary Disease Physician, average services per provider: 68. This provider delivers 27× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Hammar's medical specialty?
Dr. Matthew Hammar practices Pulmonary Disease Physician in Columbus, OH.
Where does Dr. Matthew Hammar practice?
Dr. Matthew Hammar practices at 1087 Dennison Ave, Columbus, OH 432013201. Office phone: 6143609754.
What is Dr. Matthew Hammar's NPI?
Dr. Matthew Hammar's National Provider Identifier (NPI) is 1174790612, issued by NPPES.
Does Dr. Matthew Hammar accept Medicare assignment?
Yes. Dr. Matthew Hammar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Hammar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.