DR. PETER JOSEPH O'CARROLL III M.D.
NPI 1811190812
Psychiatry & Neurology - Neurology in Granbury, TX

Q: What is Peter O'carroll's NPI number?

The NPI number for Peter O'carroll is 1811190812. It was assigned to this individual provider in the NPPES registry on June 7, 2007.

Q: What is Peter O'carroll's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Peter O'carroll was last updated on September 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 07, 2007PECOS EnrolledAccepts Medicare Assignment

90.84/100

CMS Quality Rating

1308E PALUXY RD STE 303, GRANBURY, TX 76048(817) 579-3948(817) 579-3947 Get Directions Write a Review

NPPES record last updated: September 13, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Peter Joseph O'carroll Iii M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PETER JOSEPH O'CARROLL III M.D. (NPI 1811190812) is an individual neurology provider in Granbury, Texas, licensed in Texas (N2220) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Texas Health Harris Methodist Hospital Fort Worth, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2004).

NPPES Registry Identity

NPI1811190812

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. PETER JOSEPH O'CARROLL IIICredential: M.D.

Location Address1308E PALUXY RD STE 303Granbury, TX 76048-5655

Mailing Address1308e Paluxy Rd Ste 303Granbury, TX 76048-5655 · (817) 579-3948 · Fax (817) 579-3947

Phone(817) 579-3948

Fax(817) 579-3947

Sole ProprietorNo

Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2004

Enumeration DateJune 7, 2007

Last NPPES UpdateSeptember 13, 2020

NPPES CertifiedSeptember 13, 2020

✔ NPI 1811190812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in TX · N2220

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Also ListedPsychiatry & Neurology · Clinical NeurophysiologyTaxonomy 2084N0600X · License N2220 (TX)

1308E PALUXY RD STE 303, Granbury, TX 76048

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Other Identifiers 2

Medicaid203901801TX

OtherP00736485TX · Rr Mcr

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Peter Joseph O'carroll Iii M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931252269

PECOS Enrollment IDI20090804000024

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Peter O'carroll reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lavear Medical, P.A

29 mi

Neurology

4055 INTERNATIONAL PLZ STE 660
Fort Worth, TX 76109

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Lavear Medical PA

NPI 1720743982 (817) 592-8427

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

6,320 services26 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

458 services353 patients

Needle measurement of electrical activity in arm or leg muscles, limited study 95885

This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.

182 services104 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

140 services118 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

85 services85 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

84 services84 patients

Nerve conduction, 7-8 studies 95910

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.

77 services76 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

61 services49 patients

Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615

This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.

41 services16 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

37 services35 patients

Punch biopsy, each additional skin growth 11105

A punch biopsy is a procedure where a small, circular tool removes a sample of your skin growth. This allows for testing to identify the nature of the growth. If there are multiple growths, each additional one may also need a biopsy.

26 services13 patients

Measurement of brain wave activity (eeg), 61-119 minutes 95813

The procedure you're having is an EEG, which measures your brain's electrical activity. Electrodes placed on your scalp capture signals that are recorded for 61-119 minutes. This helps identify any irregularities, aiding in diagnosing conditions like epilepsy or sleep disorders.

23 services22 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

18 services18 patients

Nerve conduction, 3-4 studies 95908

Nerve conduction studies are tests that measure how well your nerves are working. In a 3-4 studies procedure, electrical signals are sent through 3-4 nerves. The speed and strength of the signal's travel is recorded to detect any nerve damage or dysfunction.

18 services18 patients

Nerve conduction, 9-10 studies 95911

Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.

17 services17 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

14 services14 patients

Punch biopsy, first skin growth 11104

A punch biopsy is a procedure where a small, circular tool is used to remove a sample of skin tissue. This is usually done to test a skin growth for potential issues. You may feel a pinch, but discomfort is minimal. The area heals quickly.

13 services13 patients

Nerve conduction, 5-6 studies 95909

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Texas Health Harris Methodist Hospital Fort Worth

Acute Care Hospitals · Fort Worth, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450135

Location1301 Pennsylvania AvenueFort Worth, TX 76104 · Tarrant County

Emergency services Birthing friendly

Glen Rose Medical Center

Acute Care Hospitals · Glen Rose, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450451

Location1021 Holden StreetGlen Rose, TX 76043 · Somervell County

Emergency services

Lake Granbury Medical Center

Acute Care Hospitals · Granbury, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450596

Location1310 Paluxy RdGranbury, TX 76048 · Hood County

Emergency services Birthing friendly

Comanche County Medical Center

Critical Access Hospitals · Comanche, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number451382

Location10201 Hwy 16Comanche, TX 76442 · Comanche County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.84/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

81.69

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier17 claims17 services$19.56 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier17 claims17 services$103.92 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter O'carroll's NPI number?

The NPI number for Peter O'carroll is 1811190812. It was assigned to this individual provider in the NPPES registry on June 7, 2007.

Where is Peter O'carroll located?

Peter O'carroll practices at 1308E Paluxy Rd Ste 303, Granbury, TX 76048. The listed phone number is (817) 579-3948.

What is Peter O'carroll's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Peter O'carroll enrolled in Medicare?

Yes. Peter O'carroll is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Peter O'carroll's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter O'carroll reassigns Medicare benefits to Lavear Medical, P.A (Fort Worth, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter O'carroll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter O'carroll accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Peter O'carroll as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Peter O'carroll affiliated with any hospitals?

According to CMS data, Peter O'carroll is affiliated with Texas Health Harris Methodist Hospital Fort Worth, Glen Rose Medical Center, Lake Granbury Medical Center and Comanche County Medical Center.

When was this NPI record last updated?

The NPPES record for Peter O'carroll was last updated on September 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.