Doctor profile · Federal record

Dr. Michael Thirman

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

  • NPI 1356522460
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 40 yrs in practice
  • Male
  • 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
November 2007 — 19 yrs on file
Profile last updated
October 24, 2022
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Illinois #036080940

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356522460. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
594
Distinct HCPCS
7
Medicare allowed
$71,000
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 259 40 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 98 44 $102
99215 Established patient office or other outpatient visit, 40-54 minutes 89 32 $150
99443 Telephone medical discussion with physician, 21-30 minutes 68 12 $101
99213 Established patient office or other outpatient visit, 20-29 minutes 38 16 $69
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 23 $182
99238 Hospital discharge day management, 30 minutes or less 18 16 $84

In context: peer comparison

Among 77 peers in this city , average services per provider: 870. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,934
Transactions
9
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 8 $3,816.13
BeiGene USA, Inc. 1 $117.75

By nature of payment

Consulting Fee
$3,625
Food and Beverage
$203
Travel and Lodging
$106

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
158
Patients
0
Total drug cost
$775,574
Drug Type Claims Patients Total cost
Venclexta (Venetoclax) Brand 35 0 $392,863
Acyclovir Generic 33 0 $640
Allopurinol Generic 27 0 $364
Imbruvica (Ibrutinib) Brand 25 0 $379,977
Hydroxyurea Generic 15 0 $1,271
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 12 0 $120
Potassium Chloride Generic 11 0 $339

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Thirman's medical specialty?
Dr. Michael Thirman practices Hematology & Oncology Physician in Chicago, IL.
Where does Dr. Michael Thirman practice?
Dr. Michael Thirman practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 8888240200.
What is Dr. Michael Thirman's NPI?
Dr. Michael Thirman's National Provider Identifier (NPI) is 1356522460, issued by NPPES.
Does Dr. Michael Thirman accept Medicare assignment?
Yes. Dr. Michael Thirman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Thirman 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.