Doctor profile · Federal record
Dr. William Hollabaugh, MD
Pediatric Sports Medicine Physician (CMS: Sports Medicine) · O Fallon, MO
- NPI 1659868040
- Accepts Medicare
- MIPS 92.8 / 100 · 2023
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20 Progress Point Pkwy, Dept Orthopaedic Surgery, Ste 114
O Fallon, MO 633682206
(314) 514-3500
fax (314) 878-7678 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 2080S0010X — NUCC code
- State license (1)
- Missouri #2024016238
- Medicaid
- MO #200148295
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659868040. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
211
Distinct HCPCS
5
Medicare allowed
$9,894
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 120 | 24 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 31 | 21 | $81 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $149 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 19 | 17 | $90 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 17 | $118 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 42. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$166
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| DJO, LLC | 1 | $126.36 | |
| ERMI Inc. | 1 | $39.81 |
By nature of payment
Frequently asked questions
What is Dr. William Hollabaugh's medical specialty?
Dr. William Hollabaugh practices Pediatric Sports Medicine Physician in O Fallon, MO.
Where does Dr. William Hollabaugh practice?
Dr. William Hollabaugh practices at 20 Progress Point Pkwy, O Fallon, MO 633682206. Office phone: 3145143500.
What is Dr. William Hollabaugh's NPI?
Dr. William Hollabaugh's National Provider Identifier (NPI) is 1659868040, issued by NPPES.
Does Dr. William Hollabaugh accept Medicare assignment?
Yes. Dr. William Hollabaugh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hollabaugh commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.