Doctor profile · Federal record

Dr. Aparna Kalyan, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Student in an Organized Health Care Education/Training Program · Internal Medicine Physician · Chicago, IL

  • NPI 1447482443
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 21 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
645 N Michigan Ave, Suite 1006
Chicago, IL 606112826
(312) 926-2000

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
August 8, 2014
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
Illinois #036136040 · Ohio #57.015832 · Pennsylvania #MD443729

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447482443. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33,494
Distinct HCPCS
10
Medicare allowed
$1,176,731
HCPCS Description Services Patients Avg allowed
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 9,360 36 $48
J1453 Injection, fosaprepitant, 1 mg 5,100 25 $0
J9271 Injection, pembrolizumab, 1 mg 4,000 18 $54
J1569 Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg 3,200 32 $45
J9047 Injection, carfilzomib, 1 mg 2,286 13 $46
J0897 Injection, denosumab, 1 mg 2,040 17 $24
Q5107 Injection, bevacizumab-awwb, biosimilar, (mvasi), 10 mg 1,424 14 $29
J0461 Injection, atropine sulfate, 0.01 mg 1,080 17 $0
J9041 Injection, bortezomib, 0.1 mg 883 21 $5
J2469 Injection, palonosetron hcl, 25 mcg 640 42 $1

In context: peer comparison

Among 77 peers in Chicago Hematology & Oncology Physician, average services per provider: 870. This provider delivers 38× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$30,437
Transactions
14
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 7 $14,342.45
Deciphera Pharmaceuticals INC. 4 $7,004.62
AstraZeneca Uk Limited 1 $6,850.00
E.R. Squibb & Sons, L.L.C. 1 $2,220.00
Ipsen Biopharmaceuticals, INC 1 $20.22

By nature of payment

Consulting Fee
$21,914
Honoraria
$6,000
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,350
Travel and Lodging
$803
Food and Beverage
$371

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
117
Patients
11
Total drug cost
$55,952
Drug Type Claims Patients Total cost
Creon (Lipase/Protease/Amylase) Brand 19 0 $54,512
Gabapentin Generic 18 0 $269
Prochlorperazine Maleate Generic 17 11 $233
Midodrine Hcl Generic 15 0 $207
Amlodipine Besylate Generic 13 0 $193
Ondansetron Hcl Generic 12 0 $68
Venlafaxine Hcl Generic 12 0 $246
Pantoprazole Sodium Generic 11 0 $222

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aparna Kalyan's medical specialty?
Dr. Aparna Kalyan practices Hematology & Oncology Physician in Chicago, IL.
Where does Dr. Aparna Kalyan practice?
Dr. Aparna Kalyan practices at 645 N Michigan Ave, Chicago, IL 606112826. Office phone: 3129262000.
What is Dr. Aparna Kalyan's NPI?
Dr. Aparna Kalyan's National Provider Identifier (NPI) is 1447482443, issued by NPPES.
Does Dr. Aparna Kalyan accept Medicare assignment?
Yes. Dr. Aparna Kalyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aparna Kalyan commonly perform?
Top Medicare-reported procedures in 2023: Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.