Doctor profile · Federal record

Dr. Naga Chalasani, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Transplant Hepatology Physician · Indianapolis, IN

  • NPI 1588628002
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
550 University Blvd
Indianapolis, IN 462025149
(317) 944-0980
fax (317) 278-1949
Additional location
1701 N Senate Blvd
Indianapolis, IN 462021239
(888) 484-3258
Mailing address
250 N Shadeland Ave
Indianapolis, IN 462194959

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
March 4, 2025
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Indiana #01047209A · Indiana #01047209
Medicaid
IN #200159330

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588628002. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
23
Distinct HCPCS
1
Medicare allowed
$2,740
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 23 16 $119

In context: peer comparison

Among 41 peers in this city , average services per provider: 73. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$89,743
Transactions
18
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
ALBIREO PHARMA, INC. 2 $38,686.00
GlaxoSmithKline, LLC. 10 $33,959.11
Ipsen Bioscience Inc. 3 $16,820.00
Madrigal Pharmaceuticals 2 $204.57
Novo Nordisk Inc 1 $73.10

By nature of payment

Consulting Fee
$88,877
Food and Beverage
$468
Travel and Lodging
$398

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
71
Patients
0
Total drug cost
$116,322
Drug Type Claims Patients Total cost
Ursodiol Generic 33 0 $7,800
Furosemide Generic 15 0 $63
Rosuvastatin Calcium Generic 12 0 $350
Ocaliva (Obeticholic Acid) Brand 11 0 $108,109

Frequently asked questions

Auto-generated from federal data
What is Dr. Naga Chalasani's medical specialty?
Dr. Naga Chalasani practices Gastroenterology Physician in Indianapolis, IN.
Where does Dr. Naga Chalasani practice?
Dr. Naga Chalasani practices at 550 University Blvd, Indianapolis, IN 462025149. Office phone: 3179440980.
What is Dr. Naga Chalasani's NPI?
Dr. Naga Chalasani's National Provider Identifier (NPI) is 1588628002, issued by NPPES.
Does Dr. Naga Chalasani accept Medicare assignment?
Yes. Dr. Naga Chalasani accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Naga Chalasani commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.