Doctor profile · Federal record

Dr. Mathew Kallookulangara, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · South Bend, IN

  • NPI 1912998642
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
615 N Michigan St Fl 1
South Bend, IN 466011033
(574) 647-3050
fax (574) 647-1094
Mailing address
710 N Niles Ave
South Bend, IN 466171924

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 31, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Indiana #01059944A
Medicaid
IN #200520890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912998642. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
901
Distinct HCPCS
6
Medicare allowed
$87,129
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 394 162 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 263 111 $108
99239 Hospital discharge day management, more than 30 minutes 101 99 $107
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 80 76 $161
99238 Hospital discharge day management, 30 minutes or less 37 37 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 26 $122

In context: peer comparison

Among 19 peers in this city , average services per provider: 131. This provider delivers 6.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Genentech USA, Inc. 1 $18.89

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
111
Total drug cost
$9,130
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 25 23 $213
Prednisone Generic 25 25 $84
Escitalopram Oxalate Generic 14 0 $69
Eliquis (Apixaban) Brand 13 13 $8,340
Ondansetron Odt (Ondansetron) Brand 13 13 $72
Pantoprazole Sodium Generic 13 13 $79
Potassium Chloride Generic 13 13 $121
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $152

Frequently asked questions

Auto-generated from federal data
What is Dr. Mathew Kallookulangara's medical specialty?
Dr. Mathew Kallookulangara practices Internal Medicine Physician in South Bend, IN.
Where does Dr. Mathew Kallookulangara practice?
Dr. Mathew Kallookulangara practices at 615 N Michigan St Fl 1, South Bend, IN 466011033. Office phone: 5746473050.
What is Dr. Mathew Kallookulangara's NPI?
Dr. Mathew Kallookulangara's National Provider Identifier (NPI) is 1912998642, issued by NPPES.
Does Dr. Mathew Kallookulangara accept Medicare assignment?
Yes. Dr. Mathew Kallookulangara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mathew Kallookulangara commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.