Doctor profile · Federal record

Dr. Wendy Stock

Hematology & Oncology Physician (CMS: Hematopoietic Cell Transplantation and Cellular Therapy) · Chicago, IL

  • NPI 1588727093
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave
Chicago, IL 606371443
(888) 824-0200
Mailing address
150 Harvester Dr, Suite 300
Burr Ridge, IL 605275919

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
October 24, 2022
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Illinois #036075340

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588727093. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
285
Distinct HCPCS
4
Medicare allowed
$33,825
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 115 28 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 70 42 $102
99215 Established patient office or other outpatient visit, 40-54 minutes 67 34 $150
99213 Established patient office or other outpatient visit, 20-29 minutes 33 21 $69

In context: peer comparison

Among 77 peers in Chicago Hematology & Oncology Physician, average services per provider: 870. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,339
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Servier Affaires Medicales 1 $2,720.00
Adaptive Biotechnologies Corporation 3 $2,545.76
Jazz Pharmaceuticals INC. 1 $73.49

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
$2,720
Consulting Fee
$2,400
Food and Beverage
$219

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
128
Patients
0
Total drug cost
$1,557,907
Drug Type Claims Patients Total cost
Venclexta (Venetoclax) Brand 36 0 $529,296
Calquence (Acalabrutinib Maleate) Brand 35 0 $551,129
Acyclovir Generic 24 0 $494
Tasigna (Nilotinib Hcl) Brand 18 0 $170,567
Iclusig (Ponatinib Hcl) Brand 15 0 $306,420

Frequently asked questions

Auto-generated from federal data
What is Dr. Wendy Stock's medical specialty?
Dr. Wendy Stock practices Hematology & Oncology Physician in Chicago, IL.
Where does Dr. Wendy Stock practice?
Dr. Wendy Stock practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 8888240200.
What is Dr. Wendy Stock's NPI?
Dr. Wendy Stock's National Provider Identifier (NPI) is 1588727093, issued by NPPES.
Does Dr. Wendy Stock accept Medicare assignment?
Yes. Dr. Wendy Stock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wendy Stock commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.