Doctor profile · Federal record
Dr. William Pennington, MD
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Sports Medicine (Orthopaedic Surgery) Physician · Franklin, WI
- NPI 1114021110
- Accepts Medicare
- MIPS 81.6 / 100 · 2023
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3111 W Rawson Ave, #200
Franklin, WI 53132
(414) 325-4320
fax (414) 761-1921 - Mailing address
-
3077 N Mayfair RD Ste 305
Wauwatosa, WI 532224305
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- February 25, 2020
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Wisconsin #37451
- Medicaid
- WI #32508500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114021110. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,635
Distinct HCPCS
10
Medicare allowed
$137,989
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 720 | 112 | $1 | |
20610 |
Aspiration and/or injection of fluid from large joint | 220 | 158 | $68 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 188 | 154 | $85 | |
73030 |
X-ray of shoulder, minimum of 2 views | 160 | 133 | $38 | |
J7321 |
Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | 54 | 26 | $73 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 51 | 51 | $105 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 51 | 39 | $8 | |
23472 |
Prosthetic repair of shoulder joint, total shoulder | 44 | 43 | $1,314 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 38 | 31 | $53 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 26 | $117 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 116. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$13,248
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Arthrex, Inc. | 4 | $13,098.52 | |
| Stryker Corporation | 1 | $149.63 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
95
Patients
51
Total drug cost
$200
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 95 | 51 | $200 |
Hospital affiliations
Frequently asked questions
What is Dr. William Pennington's medical specialty?
Dr. William Pennington practices Orthopaedic Surgery Physician in Franklin, WI.
Where does Dr. William Pennington practice?
Dr. William Pennington practices at 3111 W Rawson Ave, Franklin, WI 53132. Office phone: 4143254320.
What is Dr. William Pennington's NPI?
Dr. William Pennington's National Provider Identifier (NPI) is 1114021110, issued by NPPES.
Does Dr. William Pennington accept Medicare assignment?
Yes. Dr. William Pennington accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Pennington commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.