Doctor profile · Federal record

Dr. Robert Trapp, MD

Rheumatology Physician · Springfield, IL

  • NPI 1841363751
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 N 1St St
Springfield, IL 627023719
(217) 528-7541
fax (217) 522-4560
Mailing address
1025 S 6Th St
Springfield, IL 627032403

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
May 19, 2020
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Illinois #036054588
Medicaid
IL #036054588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841363751. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13,890
Distinct HCPCS
10
Medicare allowed
$266,544
HCPCS Description Services Patients Avg allowed
J1602 Injection, golimumab, 1 mg, for intravenous use 10,000 15 $13
J0897 Injection, denosumab, 1 mg 2,520 25 $23
J3489 Injection, zoledronic acid, 1 mg 280 56 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 234 150 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 229 141 $124
36415 Insertion of needle into vein for collection of blood sample 219 100 $6
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 149 79 $60
96415 Administration of chemotherapy into vein, each additional hour 74 13 $27
96372 Injection of drug or substance under skin or into muscle 49 30 $14
96413 Administration of chemotherapy into vein, 1 hour or less 47 19 $122

In context: peer comparison

Among 7 peers in this city , average services per provider: 1,668. This provider delivers 8.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,731
Transactions
77
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 28 $539.95
ABBVIE INC. 18 $431.63
UCB, Inc. 13 $372.41
Novartis Pharmaceuticals Corporation 4 $96.62
Janssen Biotech, Inc. 3 $62.35
AstraZeneca Pharmaceuticals LP 2 $46.15
GENZYME CORPORATION 1 $38.21
PFIZER INC. 2 $36.31
Sandoz Inc. 2 $30.77
E.R. Squibb & Sons, L.L.C. 2 $29.60
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $25.56
Fresenius Kabi USA, LLC 1 $21.59

By nature of payment

Food and Beverage
$1,702
Education
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,679
Patients
357
Total drug cost
$1,575,477
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 473 114 $20,483
Prednisone Generic 423 98 $3,811
Hydroxychloroquine Sulfate Generic 154 38 $7,296
Meloxicam Generic 78 22 $757
Leflunomide Generic 73 16 $5,103
Enbrel (Etanercept) Brand 60 0 $447,014
Tramadol Hcl Generic 56 21 $636
Enbrel Sureclick (Etanercept) Brand 52 0 $422,713
Etodolac Generic 50 11 $2,570
Celecoxib Generic 48 13 $2,769

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Trapp's medical specialty?
Dr. Robert Trapp practices Rheumatology Physician in Springfield, IL.
Where does Dr. Robert Trapp practice?
Dr. Robert Trapp practices at 800 N 1St St, Springfield, IL 627023719. Office phone: 2175287541.
What is Dr. Robert Trapp's NPI?
Dr. Robert Trapp's National Provider Identifier (NPI) is 1841363751, issued by NPPES.
What procedures does Dr. Robert Trapp commonly perform?
Top Medicare-reported procedures in 2023: Injection, golimumab, 1 mg, for intravenous use (HCPCS J1602); Injection, denosumab, 1 mg (HCPCS J0897); Injection, zoledronic acid, 1 mg (HCPCS J3489). Source: CMS Medicare Physician & Other Practitioners file.