Doctor profile · Federal record

Dr. Andrzej Jasek, MD

Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Rockford, IL

  • NPI 1578636692
  • Accepts Medicare
  • MIPS 71.0 / 100 · 2023
  • 41 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5875 E Riverside Blvd
Rockford, IL 611144937
(815) 398-9491
Mailing address
Po Box 735263
Chicago, IL 606735263

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 31, 2023
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
Illinois #036-092808 · Wisconsin #41875
Medicaid (2)
WI #32287100 · IL #036092808 1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578636692. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
129,737
Distinct HCPCS
10
Medicare allowed
$2,035,472
HCPCS Description Services Patients Avg allowed
J3262 Injection, tocilizumab, 1 mg 65,680 23 $6
J1602 Injection, golimumab, 1 mg, for intravenous use 14,450 29 $13
J0897 Injection, denosumab, 1 mg 12,420 140 $23
J3111 Injection, romosozumab-aqqg, 1 mg 11,130 14 $10
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 10,200 30 $42
J1745 Injection, infliximab, excludes biosimilar, 10 mg 4,970 36 $33
J9312 Injection, rituximab, 10 mg 2,750 14 $76
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg 1,872 17 $9
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 1,575 181 $1
J7329 Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg 1,452 16 $9

In context: peer comparison

Among 2 peers in Rockford Rheumatology Physician, average services per provider: 3,306. This provider delivers 39× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$143
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $79.14
Alexion Pharmaceuticals, INC. 1 $28.96
Amgen INC. 1 $18.63
GlaxoSmithKline, LLC. 1 $16.53

By nature of payment

Food and Beverage
$143

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,639
Patients
1,034
Total drug cost
$678,270
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 568 173 $24,883
Tramadol Hcl Generic 560 139 $4,669
Prednisone Generic 428 162 $3,634
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 389 82 $7,516
Leflunomide Generic 320 94 $22,287
Hydroxychloroquine Sulfate Generic 295 91 $14,635
Alendronate Sodium Generic 200 66 $2,098
Allopurinol Generic 151 49 $2,483
Gabapentin Generic 144 40 $6,689
Forteo (Teriparatide) Brand 128 17 $578,590

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrzej Jasek's medical specialty?
Dr. Andrzej Jasek practices Rheumatology Physician in Rockford, IL.
Where does Dr. Andrzej Jasek practice?
Dr. Andrzej Jasek practices at 5875 E Riverside Blvd, Rockford, IL 611144937. Office phone: 8153989491.
What is Dr. Andrzej Jasek's NPI?
Dr. Andrzej Jasek's National Provider Identifier (NPI) is 1578636692, issued by NPPES.
Does Dr. Andrzej Jasek accept Medicare assignment?
Yes. Dr. Andrzej Jasek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrzej Jasek commonly perform?
Top Medicare-reported procedures in 2023: Injection, tocilizumab, 1 mg (HCPCS J3262); Injection, golimumab, 1 mg, for intravenous use (HCPCS J1602); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.