Doctor profile · Federal record

Dr. Matthew Kallenberger, D.O.

Internal Medicine Physician (CMS: Hospitalist) · Oklahoma City, OK

  • NPI 1427493436
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4401 S Western Ave
Oklahoma City, OK 731093413
(405) 713-7403
fax (405) 713-2794
Mailing address
5300 N Independence Ave, Suite 280
Oklahoma City, OK 731125556

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
July 20, 2017
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oklahoma #5895

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427493436. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
622
Distinct HCPCS
5
Medicare allowed
$61,798
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 287 96 $111
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 185 70 $74
99238 Hospital discharge day management, 30 minutes or less 84 83 $75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 46 46 $161
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 20 20 $123

In context: peer comparison

Among 90 peers in Oklahoma City Internal Medicine Physician, average services per provider: 133. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
41
Patients
26
Total drug cost
$188
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 14 0 $104
Levofloxacin Generic 14 14 $35
Prednisone Generic 13 12 $49

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Kallenberger's medical specialty?
Dr. Matthew Kallenberger practices Internal Medicine Physician in Oklahoma City, OK.
Where does Dr. Matthew Kallenberger practice?
Dr. Matthew Kallenberger practices at 4401 S Western Ave, Oklahoma City, OK 731093413. Office phone: 4057137403.
What is Dr. Matthew Kallenberger's NPI?
Dr. Matthew Kallenberger's National Provider Identifier (NPI) is 1427493436, issued by NPPES.
Does Dr. Matthew Kallenberger accept Medicare assignment?
Yes. Dr. Matthew Kallenberger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Kallenberger 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); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.