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- 20 Progress Point Pkwy, Dept Orthopaedic Surgery, Ste 114, O Fallon, MO 63368
About Dr. Hollabaugh
William L. Hollabaugh, MD is a healthcare provider in O Fallon, MO specializing in pediatrics. William trained at Medical College of Wisconsin, graduating in 2014. According to Medicare claims data, William cared for 51 Medicare patients across 137 services. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and aspiration and/or injection of fluid large joint using ultrasound guidance. This provider record is associated with NPI 1659868040.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 514-3500
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
20 PROGRESS POINT PKWY DEPT ORTHOPAEDIC SURGERY, STE 114
O Fallon, MO 63368
Conditions Commonly Evaluated or Treated
Within Pediatrics generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Digestive health
Digestive Health
Infant Health
Infections
Mental Health
Pediatric Health
Pediatric Oral Health
Specialist-co-managed
Most searched conditions
Digestive and urinary
Ear, nose, throat, and eye
Growth, development, and behavior
Newborn and infant
Respiratory and infectious
Skin
Brain & nerves
Injuries
Respiratory
Skin Conditions
Procedures & services
Checkups & Exams
Developmental & Behavioral
Diagnostic Tests
- Anemia Blood Test
- Childhood Vision Screening
- Heart Murmur Evaluation
- Newborn Bilirubin Check
- Pediatric Blood Draw
- Lead Poisoning Screening
Diagnostic tests
Diagnostics & screening
Exams
Immunization and screening
- Anemia screening
- Vaccinations and immunizations
- Depression screening
- Newborn metabolic screening
Infant Health
Lab tests & screenings
Minor procedures
Office procedures
- Minor laceration repair
- Superficial foreign-body removal
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
Office testing
Preventive and developmental
Preventive care
Procedures & Minor Surgery
Urgent care & minor procedures
Most searched procedures
Respiratory
Procedures Most Often Billed to Medicare
137 services · 51 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
22 | Less often than most peers in Pediatrics |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
92 | Less often than most peers in Pediatrics |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | Less often than most peers in Pediatrics |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pediatricians at this location 6
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pediatricians in O Fallon 4
Same specialty, same city.
More connections — 18 related providers in 3 groups
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid large joint using ultrasound guidance 2
Providers in MO who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hollabaugh?
Dr. Hollabaugh is a pediatrician in O Fallon, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatrics”.
NPI registry
What is Dr. Hollabaugh's address?
Dr. Hollabaugh is listed at 20 Progress Point Pkwy Dept Orthopaedic Surgery, Ste 114, O Fallon, MO 63368. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Hollabaugh?
The number on file is (314) 514-3500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Hollabaugh's NPI number?
Dr. Hollabaugh's National Provider Identifier is 1659868040. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Hollabaugh train?
Dr. Hollabaugh attended Medical College of Wisconsin, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hollabaugh been practicing?
Dr. Hollabaugh has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hollabaugh perform?
According to Medicare billing data, Dr. Hollabaugh performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hollabaugh confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hollabaugh. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.