Doctor profile · Federal record

Dr. Irsk Anderson

Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL

  • NPI 1891856621
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 24 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
December 2006 — 20 yrs on file
Profile last updated
October 24, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036113916

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891856621. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
676
Distinct HCPCS
8
Medicare allowed
$67,477
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 327 181 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 166 159 $70
99215 Established patient office or other outpatient visit, 40-54 minutes 55 28 $152
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 31 13 $127
20610 Aspiration and/or injection of fluid from large joint 29 19 $46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $185
99238 Hospital discharge day management, 30 minutes or less 24 24 $86
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 14 $85

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $22.00

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,514
Patients
426
Total drug cost
$25,475
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 211 53 $2,123
Atorvastatin Calcium Generic 192 68 $2,765
Metoprolol Succinate Generic 152 34 $2,661
Losartan Potassium Generic 142 30 $1,759
Tamsulosin Hcl Generic 103 20 $1,353
Omeprazole Generic 101 28 $1,588
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 97 16 $2,578
Hydrochlorothiazide Generic 84 25 $326
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 83 24 $3,996
Levothyroxine Sodium Generic 82 25 $1,558

Frequently asked questions

Auto-generated from federal data
What is Dr. Irsk Anderson's medical specialty?
Dr. Irsk Anderson practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Irsk Anderson practice?
Dr. Irsk Anderson practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 8888240200.
What is Dr. Irsk Anderson's NPI?
Dr. Irsk Anderson's National Provider Identifier (NPI) is 1891856621, issued by NPPES.
Does Dr. Irsk Anderson accept Medicare assignment?
Yes. Dr. Irsk Anderson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Irsk Anderson 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.