Doctor profile · Federal record
Dr. John Williamson, P.A.
Physician Assistant · Bloomington, IL
- NPI 1245338896
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1701 E College Ave
Bloomington, IL 617042101
(309) 664-3422 - Mailing address
-
602 W University Ave
Urbana, IL 618012530
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- November 19, 2007
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Illinois #85001294
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245338896. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
758
Distinct HCPCS
7
Medicare allowed
$37,922
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1030 |
Injection, methylprednisolone acetate, 40 mg | 272 | 100 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 163 | 120 | $74 | |
20610 |
Aspiration and/or injection of fluid from large joint | 155 | 102 | $58 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 60 | 56 | $47 | |
J7323 |
Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose | 47 | 17 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 34 | 33 | $106 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 27 | 27 | $94 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 1,913. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$189
Transactions
8
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ferring Pharmaceuticals Inc. | 4 | $67.20 | |
| Organogenesis Inc. | 2 | $61.30 | |
| Orthofix Medical, Inc. | 1 | $40.74 | |
| Bioventus LLC | 1 | $19.31 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
78
Patients
47
Total drug cost
$627
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 47 | 32 | $492 |
| Meloxicam | Generic | 31 | 15 | $136 |
Hospital affiliations
Frequently asked questions
What is Dr. John Williamson's medical specialty?
Dr. John Williamson practices Physician Assistant in Bloomington, IL.
Where does Dr. John Williamson practice?
Dr. John Williamson practices at 1701 E College Ave, Bloomington, IL 617042101. Office phone: 3096643422.
What is Dr. John Williamson's NPI?
Dr. John Williamson's National Provider Identifier (NPI) is 1245338896, issued by NPPES.
Does Dr. John Williamson accept Medicare assignment?
Yes. Dr. John Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Williamson commonly perform?
Top Medicare-reported procedures in 2023: Injection, methylprednisolone acetate, 40 mg (HCPCS J1030); Established patient office or other outpatient visit (HCPCS 99213); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.