Doctor profile · Federal record

Dr. Warren Wong, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hinsdale, IL

  • NPI 1881749240
  • Accepts Medicare
  • MIPS 55.7 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Salt Creek Ln
Hinsdale, IL 605212936
(630) 286-5500
Mailing address
1000 Remington Blvd, 200
Bolingbrook, IL 604405114

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
August 31, 2016
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Illinois #036084387

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881749240. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,457
Distinct HCPCS
6
Medicare allowed
$162,894
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,050 292 $100
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 179 73 $122
99215 Established patient office or other outpatient visit, 40-54 minutes 108 61 $147
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 79 72 $182
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $136
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 11 $137

In context: peer comparison

Among 2 peers in this city , average services per provider: 181. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$344
Transactions
16
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Genentech USA, Inc. 3 $74.61
PFIZER INC. 2 $47.62
Astellas Pharma US Inc 2 $40.40
PharmaEssentia USA Corporation 1 $32.15
AstraZeneca Pharmaceuticals LP 2 $31.68
Lilly USA, LLC 1 $26.20
Adaptive Biotechnologies Corporation 1 $23.39
Merck Sharp & Dohme LLC 1 $20.52
Janssen Biotech, Inc. 1 $18.15
Mirati Therapeutics, Inc. 1 $15.94
Novartis Pharmaceuticals Corporation 1 $13.38

By nature of payment

Food and Beverage
$344

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
598
Patients
104
Total drug cost
$1,819,073
Drug Type Claims Patients Total cost
Hydroxyurea Generic 93 17 $3,259
Imbruvica (Ibrutinib) Brand 76 0 $1,139,906
Acyclovir Generic 52 0 $806
Eliquis (Apixaban) Brand 49 15 $54,684
Prochlorperazine Maleate Generic 48 29 $417
Xarelto (Rivaroxaban) Brand 47 12 $60,708
Dexamethasone Generic 40 0 $587
Prednisone Generic 38 13 $289
Warfarin Sodium Generic 33 0 $710
Anastrozole Generic 25 0 $1,258

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Warren Wong's medical specialty?
Dr. Warren Wong practices Hematology & Oncology Physician in Hinsdale, IL.
Where does Dr. Warren Wong practice?
Dr. Warren Wong practices at 1 Salt Creek Ln, Hinsdale, IL 605212936. Office phone: 6302865500.
What is Dr. Warren Wong's NPI?
Dr. Warren Wong's National Provider Identifier (NPI) is 1881749240, issued by NPPES.
Does Dr. Warren Wong accept Medicare assignment?
Yes. Dr. Warren Wong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warren Wong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.