Doctor profile · Federal record

Dr. Joseph Kash, MD

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

  • NPI 1043297971
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
120 Spalding Dr, Suite 111
Naperville, IL 605406766
(630) 527-3788
fax (630) 646-6071

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
April 2, 2013
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Illinois #36091682
Medicaid
IL #036091682 2

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043297971. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,059
Distinct HCPCS
8
Medicare allowed
$113,158
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 529 215 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 204 166 $67
99215 Established patient office or other outpatient visit, 40-54 minutes 119 50 $150
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 86 32 $83
99205 New patient office or other outpatient visit, 60-74 minutes 43 43 $191
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 38 32 $182
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $141
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 14 11 $125

In context: peer comparison

Among 7 peers in Naperville Hematology & Oncology Physician, average services per provider: 138. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$559
Transactions
24
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 6 $125.69
Tempus Ai, INC 3 $62.48
Novartis Pharmaceuticals Corporation 2 $55.56
Genentech USA, INC. 2 $47.30
Gilead Sciences, INC. 2 $46.63
Merck Sharp & Dohme LLC 2 $40.43
AstraZeneca Pharmaceuticals Lp 1 $34.67
Adaptive Biotechnologies Corporation 1 $28.68
Daiichi Sankyo INC. 1 $28.16
Dendreon Pharmaceuticals LLC 1 $26.29
Regeneron Healthcare Solutions, INC. 1 $23.57
Abbvie INC. 1 $20.77
Adc Therapeutics America, INC. 1 $18.40

By nature of payment

Food and Beverage
$559

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,215
Patients
248
Total drug cost
$963,508
Drug Type Claims Patients Total cost
Anastrozole Generic 284 78 $7,492
Xarelto (Rivaroxaban) Brand 217 32 $192,293
Letrozole Generic 139 49 $3,969
Eliquis (Apixaban) Brand 105 20 $96,620
Warfarin Sodium Generic 76 15 $1,260
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 64 17 $2,426
Hydromorphone Hcl Generic 53 0 $2,860
Prochlorperazine Maleate Generic 53 23 $441
Hydroxyurea Generic 43 0 $1,301
Ibrance (Palbociclib) Brand 39 0 $652,302

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Kash's medical specialty?
Dr. Joseph Kash practices Hematology & Oncology Physician in Naperville, IL.
Where does Dr. Joseph Kash practice?
Dr. Joseph Kash practices at 120 Spalding Dr, Naperville, IL 605406766. Office phone: 6305273788.
What is Dr. Joseph Kash's NPI?
Dr. Joseph Kash's National Provider Identifier (NPI) is 1043297971, issued by NPPES.
Does Dr. Joseph Kash accept Medicare assignment?
Yes. Dr. Joseph Kash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Kash 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 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.