Doctor profile · Federal record

Dr. Arun Joseph Kattakayam, MD

Hospitalist Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Great Falls, MT

  • NPI 1194255968
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 26Th St S
Great Falls, MT 594055161
(406) 731-8888
fax (406) 731-8876

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
April 30, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Montana #87194

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194255968. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
537
Distinct HCPCS
5
Medicare allowed
$45,557
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 429 140 $79
99239 Hospital discharge day management, more than 30 minutes 45 44 $115
99238 Hospital discharge day management, 30 minutes or less 29 29 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 21 18 $119
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $130

In context: peer comparison

Among 12 peers in Great Falls Hospitalist Physician, average services per provider: 139. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$399
Drug Type Claims Patients Total cost
Lamotrigine Generic 12 0 $399

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Arun Joseph Kattakayam's medical specialty?
Dr. Arun Joseph Kattakayam practices Hospitalist Physician in Great Falls, MT.
Where does Dr. Arun Joseph Kattakayam practice?
Dr. Arun Joseph Kattakayam practices at 1101 26Th St S, Great Falls, MT 594055161. Office phone: 4067318888.
What is Dr. Arun Joseph Kattakayam's NPI?
Dr. Arun Joseph Kattakayam's National Provider Identifier (NPI) is 1194255968, issued by NPPES.
Does Dr. Arun Joseph Kattakayam accept Medicare assignment?
Yes. Dr. Arun Joseph Kattakayam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Arun Joseph Kattakayam commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.