Doctor profile · Federal record

Dr. Aravindhan Arumugarajah, D.O.

Nephrology Physician (CMS: Nephrology) · Valparaiso, IN

  • NPI 1780978759
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2711 Leonard Dr Ste 101
Valparaiso, IN 463837121
(219) 462-6001
fax (219) 462-6060
Additional location
5615 US Highway 6
Portage, IN 463685213
Mailing address
120 W 22Nd St Ste 200
Oak Brook, IL 605231563

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
April 29, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Indiana #02005273A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780978759. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,280
Distinct HCPCS
10
Medicare allowed
$252,145
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 785 257 $111
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 704 226 $74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 243 211 $162
99214 Established patient office or other outpatient visit, 30-39 minutes 226 156 $112
90935 Hemodialysis procedure with physician evaluation 107 51 $67
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 82 14 $330
90945 Dialysis procedure including 1 evaluation 39 12 $80
99215 Established patient office or other outpatient visit, 40-54 minutes 35 20 $90
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $155
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 24 $121

In context: peer comparison

Among 1 peers in this city , average services per provider: 228. This provider delivers 10.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$368
Transactions
14
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, Inc. 7 $133.00
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $132.83
Ardelyx, Inc. 2 $37.00
CALLIDITAS THERAPEUTICS US INC. 1 $19.17
Amgen Inc. 1 $17.14
Bayer Healthcare Pharmaceuticals Inc. 1 $14.27
AstraZeneca Pharmaceuticals LP 1 $14.25

By nature of payment

Food and Beverage
$347
Education
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
385
Patients
48
Total drug cost
$85,399
Drug Type Claims Patients Total cost
Lisinopril Generic 58 17 $438
Furosemide Generic 57 19 $298
Farxiga (Dapagliflozin Propanediol) Brand 41 0 $39,783
Lokelma (Sodium Zirconium Cyclosilicate) Brand 38 0 $15,399
Kerendia (Finerenone) Brand 32 12 $23,519
Amlodipine Besylate Generic 24 0 $189
Nifedipine Er (Nifedipine) Brand 23 0 $789
Potassium Chloride Generic 23 0 $1,077
Losartan Potassium Generic 17 0 $104
Klor-Con M20 (Potassium Chloride) Brand 13 0 $566

Frequently asked questions

Auto-generated from federal data
What is Dr. Aravindhan Arumugarajah's medical specialty?
Dr. Aravindhan Arumugarajah practices Nephrology Physician in Valparaiso, IN.
Where does Dr. Aravindhan Arumugarajah practice?
Dr. Aravindhan Arumugarajah practices at 2711 Leonard Dr Ste 101, Valparaiso, IN 463837121. Office phone: 2194626001.
What is Dr. Aravindhan Arumugarajah's NPI?
Dr. Aravindhan Arumugarajah's National Provider Identifier (NPI) is 1780978759, issued by NPPES.
Does Dr. Aravindhan Arumugarajah accept Medicare assignment?
Yes. Dr. Aravindhan Arumugarajah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aravindhan Arumugarajah 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.