Doctor profile · Federal record

Dr. Thomas Weyburn, D.O.

Medical Oncology Physician (CMS: Hematology/Oncology) · Crystal Lake, IL

  • NPI 1487636478
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
525 E Congress Pkwy Ste 300
Crystal Lake, IL 600146258
(815) 759-9260
fax (815) 459-7840
Mailing address
1800 Hollister Dr, Suite 112
Libertyville, IL 600485263

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
August 2, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Illinois #036098952
Medicaid
IL #0360989521

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487636478. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,757
Distinct HCPCS
8
Medicare allowed
$178,172
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 818 333 $97
99213 Established patient office or other outpatient visit, 20-29 minutes 461 353 $67
99215 Established patient office or other outpatient visit, 40-54 minutes 164 89 $142
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 155 75 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 63 61 $176
99205 New patient office or other outpatient visit, 60-74 minutes 46 46 $187
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $141
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 18 14 $82

In context: peer comparison

Among 1 peers in Crystal Lake Medical Oncology Physician, average services per provider: 219. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$74
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $59.95
Merck Sharp & Dohme LLC 1 $14.14

By nature of payment

Education
$60
Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
185
Patients
46
Total drug cost
$29,500
Drug Type Claims Patients Total cost
Anastrozole Generic 83 35 $1,504
Eliquis (Apixaban) Brand 32 0 $26,944
Prednisone Generic 19 11 $112
Hydroxyurea Generic 15 0 $257
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 0 $155
Dexamethasone Generic 12 0 $338
Tamoxifen Citrate Generic 11 0 $190

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Weyburn's medical specialty?
Dr. Thomas Weyburn practices Medical Oncology Physician in Crystal Lake, IL.
Where does Dr. Thomas Weyburn practice?
Dr. Thomas Weyburn practices at 525 E Congress Pkwy Ste 300, Crystal Lake, IL 600146258. Office phone: 8157599260.
What is Dr. Thomas Weyburn's NPI?
Dr. Thomas Weyburn's National Provider Identifier (NPI) is 1487636478, issued by NPPES.
Does Dr. Thomas Weyburn accept Medicare assignment?
Yes. Dr. Thomas Weyburn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Weyburn 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.