Dr. Peter O'Carroll, M.D.
What this data tells you about Dr. O'Carroll
Dr. Peter O'Carroll is a clinical neurophysiology physician in Granbury, TX, with 18 years of NPI registration. Based on federal Medicare data, Dr. O'Carroll performed 18,378 Medicare services across 1,114 unique beneficiaries.
Between the years covered by Open Payments, Dr. O'Carroll received a total of $113,495 from 68 pharmaceutical and/or device companies across 1331 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in clinical neurophysiology physician. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. O'Carroll is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Botox injection, per unit An injection of onabotulinumtoxinA, a medication used to temporarily relax muscles or reduce gland activity. The dose is measured in units, with this code representing a single unit administered. |
17,020 | $5 | $24 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
378 | $91 | $283 |
| Limited needle EMG of arm or leg muscles A test that measures the electrical activity in specific muscles of the arm or leg using a needle electrode. This limited study evaluates muscle function in a targeted area. |
205 | $47 | $196 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
193 | $125 | $381 |
| New patient office visit, complex (60-74 min) | 103 | $148 | $548 |
| Nerve conduction studies, 7-8 tests A series of 7 to 8 nerve conduction tests to evaluate how well nerves are sending signals to muscles. |
95 | $134 | $485 |
| Electromyography of arm or leg muscles A test that measures the electrical activity in the muscles of the arm or leg using a needle electrode. It helps evaluate the health of muscles and the nerve cells that control them. |
94 | $76 | $240 |
| Bilateral facial and neck nerve muscle paralysis injection Injection of a chemical agent to paralyze muscles in the face and neck on both sides. |
63 | $102 | $379 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
42 | $121 | $438 |
| Nerve conduction study, 3-4 tests A diagnostic test that measures how well nerves send electrical signals. It involves performing 3 to 4 separate nerve conduction studies to evaluate nerve function. |
34 | $82 | $307 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
33 | $8 | $21 |
| Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | 33 | $51 | $163 |
| EEG brain wave test, 61-119 minutes This procedure measures electrical activity in the brain using electrodes placed on the scalp. It records brain wave patterns for a duration between 61 and 119 minutes. |
30 | $62 | $250 |
| Nerve conduction studies, 13 or more A diagnostic test that measures how well nerves send electrical signals. This code applies when 13 or more individual nerve studies are performed. |
15 | $218 | $805 |
| Online digital E/M service, established patient, 21+ minutes An online digital evaluation and management service for an established patient. This service requires a total time of 21 or more minutes over a period of up to 7 days. |
14 | $28 | $129 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
13 | $15 | $62 |
| Nerve conduction studies, 5-6 tests A series of 5 to 6 tests that measure how well nerves send electrical signals. The procedure evaluates nerve function and helps identify damage or dysfunction. |
13 | $103 | $370 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
The majority of payments (89%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in clinical neurophysiology physician and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 2% for clinical neurophysiology physician in TX.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. O'Carroll is a mixed practice specialist, with above-average Medicare volume (top 6% in TX), with speaking/promotional industry engagement in the top 2% of TX peers, with 18 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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