Doctor profile · Federal record

Dr. Natraj Ammakkanavar, M.D

Medical Oncology Physician (CMS: Medical Oncology) · Hematology (Internal Medicine) Physician · Indianapolis, IN

  • NPI 1376850461
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7979 N Shadeland Ave, Ste 200
Indianapolis, IN 462502042
(317) 621-4300
fax (317) 621-4301
Mailing address
6626 E 75Th St Ste 500
Indianapolis, IN 462502890

Credentials & registration

NPPES · NUCC
NPI registered
September 2010 — 16 yrs on file
Profile last updated
September 6, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Indiana #01070925A
Medicaid
IN #201125110

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376850461. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,973
Distinct HCPCS
10
Medicare allowed
$190,915
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 974 319 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 234 92 $93
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 234 112 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 92 78 $124
99215 Established patient office or other outpatient visit, 40-54 minutes 76 51 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 70 59 $62
99204 New patient office or other outpatient visit, 45-59 minutes 60 60 $126
99215 Established patient office or other outpatient visit, 40-54 minutes 54 30 $133
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 41 40 $162
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 40 28 $114

In context: peer comparison

Among 14 peers in this city , average services per provider: 378. This provider delivers 5.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14,186
Transactions
16
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 7 $13,391.29
AstraZeneca Pharmaceuticals LP 2 $230.83
Daiichi Sankyo Inc. 2 $145.02
Adaptive Biotechnologies Corporation 1 $116.81
BeiGene USA, Inc. 1 $97.42
Amgen Inc. 1 $86.61
Tempus AI, Inc 1 $61.24
Incyte Corporation 1 $56.36

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$13,128
Food and Beverage
$1,058

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,699
Patients
744
Total drug cost
$1,075,257
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 240 81 $272,167
Prochlorperazine Maleate Generic 231 129 $3,602
Prednisone Generic 164 54 $740
Anastrozole Generic 146 46 $14,360
Ondansetron Hcl Generic 120 83 $2,391
Gabapentin Generic 118 41 $1,408
Dexamethasone Generic 113 47 $1,221
Lidocaine-Prilocaine (Lidocaine/Prilocaine) Brand 103 62 $1,555
Ondansetron Odt (Ondansetron) Brand 96 63 $2,532
Acyclovir Generic 83 23 $2,055

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Natraj Ammakkanavar's medical specialty?
Dr. Natraj Ammakkanavar practices Medical Oncology Physician in Indianapolis, IN.
Where does Dr. Natraj Ammakkanavar practice?
Dr. Natraj Ammakkanavar practices at 7979 N Shadeland Ave, Indianapolis, IN 462502042. Office phone: 3176214300.
What is Dr. Natraj Ammakkanavar's NPI?
Dr. Natraj Ammakkanavar's National Provider Identifier (NPI) is 1376850461, issued by NPPES.
Does Dr. Natraj Ammakkanavar accept Medicare assignment?
Yes. Dr. Natraj Ammakkanavar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natraj Ammakkanavar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.