Peter O'Carroll, M.D.
NPI 1811190812 · Neurology Physician · Granbury, TX
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter O'Carroll, M.D. is a Neurology Physician provider in Granbury, TX (NPI 1811190812).
Provider details
- NPI number
- 1811190812
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- N2220 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,449 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 458 | $124 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 182 | $59 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 142 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 140 | $175 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 85 | $214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 527 | 120 |
| Memantine Hcl | 457 | 94 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 393 | 90 |
| Gabapentin | 345 | 82 |
| Levetiracetam | 280 | 58 |
| Topiramate | 221 | 48 |
| Primidone | 199 | 50 |
| Lacosamide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,977 across 176 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-07
- Last updated
- 2020-09-13
- Certified
- 2020-09-13
Frequently asked questions
- What is Peter O'Carroll's NPI number?
- Peter O'Carroll's National Provider Identifier (NPI) is 1811190812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter O'Carroll's specialty?
- Peter O'Carroll is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter O'Carroll located?
- Peter O'Carroll's practice location on file with NPPES is 1308e Paluxy Rd Ste 303, Granbury, TX 76048-5655.
- What is Peter O'Carroll's phone number?
- The practice phone number listed in the NPPES registry for Peter O'Carroll is (817) 579-3948.
- Does Peter O'Carroll accept Medicare?
- Peter O'Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter O'Carroll's NPI active?
- Yes — Peter O'Carroll's NPI (1811190812) is active in the NPPES registry as of the last update on 2020-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.