Doctor profile · Federal record
Dr. Joseph Williamson, PA
Surgical Physician Assistant (CMS: Physician Assistant) · Physician Assistant · Anderson, IN
- NPI 1386651933
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2610 Enterprise Dr
Anderson, IN 460139684
(765) 683-4400
fax (765) 213-3713 - Additional location
-
14300 E 138Th Ste B
Fishers, IN 460370051
(800) 622-6575 - Mailing address
-
3600 W Bethel Ave
Muncie, IN 473045407
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 16, 2025
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 363AS0400X — NUCC code
- State license (1)
- Indiana #10000604A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386651933. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
18
Distinct HCPCS
1
Medicare allowed
$2,753
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
27447 |
Replacement of knee joint, both sides of knee | 18 | 16 | $153 |
In context: peer comparison
Among 1 peers in Anderson Surgical Physician Assistant, average services per provider: 18. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$110
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Smith+Nephew, INC. | 2 | $109.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
345
Patients
265
Total drug cost
$2,501
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 88 | 57 | $343 |
| Oxycodone Hcl | Generic | 77 | 52 | $530 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 43 | 33 | $463 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 34 | 29 | $525 |
| Cephalexin | Generic | 33 | 30 | $223 |
| Methylprednisolone | Generic | 26 | 25 | $202 |
| Diazepam | Generic | 19 | 15 | $45 |
| Ondansetron Hcl | Generic | 13 | 13 | $77 |
| Promethazine Hcl | Generic | 12 | 11 | $93 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Williamson's medical specialty?
Dr. Joseph Williamson practices Surgical Physician Assistant in Anderson, IN.
Where does Dr. Joseph Williamson practice?
Dr. Joseph Williamson practices at 2610 Enterprise Dr, Anderson, IN 460139684. Office phone: 7656834400.
What is Dr. Joseph Williamson's NPI?
Dr. Joseph Williamson's National Provider Identifier (NPI) is 1386651933, issued by NPPES.
Does Dr. Joseph Williamson accept Medicare assignment?
Yes. Dr. Joseph Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Williamson commonly perform?
Top Medicare-reported procedures in 2023: Replacement of knee joint, both sides of knee (HCPCS 27447). Source: CMS Medicare Physician & Other Practitioners file.