Doctor profile · Federal record

Dr. John Berry, MD

Hematology & Oncology Physician · Berwyn, IL

  • NPI 1194702795
  • 21 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6801 34Th St, Suite 107
Berwyn, IL 604025591
(708) 484-8400
fax (708) 484-8426

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
March 31, 2021
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Illinois #036092197
Medicaid
IL #036092197

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194702795. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
543
Distinct HCPCS
4
Medicare allowed
$39,845
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 451 191 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 44 35 $100
99203 New patient office or other outpatient visit, 30-44 minutes 33 33 $88
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $141

In context: peer comparison

Among 2 peers in Berwyn Hematology & Oncology Physician, average services per provider: 93. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$76,005
Transactions
72
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 24 $27,038.56
Exelixis INC. 18 $24,670.80
Daiichi Sankyo INC. 18 $16,591.71
Merck Sharp & Dohme LLC 7 $7,325.57
Novartis Pharmaceuticals Corporation 3 $249.99
Janssen Biotech, INC. 1 $99.95
Tempus Ai, INC 1 $28.62

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
$45,580
Compensation for Serving As Faculty or As A Speaker for A Medical Education Program
$21,120
Travel and Lodging
$6,723
Food and Beverage
$2,232
Long Term Medical Supply or Device Loan
$250
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
637
Patients
131
Total drug cost
$3,200,356
Drug Type Claims Patients Total cost
Anastrozole Generic 85 33 $2,532
Letrozole Generic 83 25 $3,337
Prednisone Generic 64 20 $481
Calquence (Acalabrutinib Maleate) Brand 62 0 $910,019
Dexamethasone Generic 55 16 $355
Abiraterone Acetate Generic 50 0 $147,491
Xtandi (Enzalutamide) Brand 40 0 $549,218
Alendronate Sodium Generic 31 14 $417
Prochlorperazine Maleate Generic 29 23 $705
Erleada (Apalutamide) Brand 28 0 $336,795

Frequently asked questions

Auto-generated from federal data
What is Dr. John Berry's medical specialty?
Dr. John Berry practices Hematology & Oncology Physician in Berwyn, IL.
Where does Dr. John Berry practice?
Dr. John Berry practices at 6801 34Th St, Berwyn, IL 604025591. Office phone: 7084848400.
What is Dr. John Berry's NPI?
Dr. John Berry's National Provider Identifier (NPI) is 1194702795, issued by NPPES.
What procedures does Dr. John Berry commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.