GREGORY C MATHEWS MD
NPI 1265529374
Psychiatry & Neurology - Neurology in Charleston, WV

Q: What is Gregory Mathews's NPI number?

The NPI number for Gregory Mathews is 1265529374. It was assigned to this individual provider in the NPPES registry on October 9, 2006.

Q: What is Gregory Mathews'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 Gregory Mathews was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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 October 09, 2006PECOS EnrolledAccepts Medicare Assignment

415 MORRIS ST STE 300, CHARLESTON, WV 25301(304) 388-6441(304) 388-6445 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 6, 2026, Apr 8, 2025, Sep 28, 2015 (3 updates tracked since 2015).

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About Gregory C Mathews Md NPPES

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

GREGORY C MATHEWS MD (NPI 1265529374) is an individual neurology provider in Charleston, West Virginia, licensed in Maryland (56963) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and is a graduate of Washington University School Of Medicine (1996).

NPPES Registry Identity

NPI1265529374

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameGREGORY C MATHEWSCredential: MD

Location Address415 MORRIS ST STE 300Charleston, WV 25301-1853

Mailing Address400 Association Dr Ste 102Charleston, WV 25311-1298 · Fax (304) 388-0019

Phone(304) 388-6441

Fax(304) 388-6445

Sole ProprietorNo

Medical School CMSWashington University School Of MedicineGraduated 1996

Enumeration DateOctober 9, 2006

Last NPPES UpdateMay 6, 20263 updates tracked since enumeration

NPPES CertifiedMay 6, 2026

✔ NPI 1265529374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in MD · 56963

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.

415 MORRIS ST STE 300, Charleston, WV 25301

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Highmark Blue Cross Blue Shield West Virginia.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory C Mathews Md 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 ID3678620796

PECOS Enrollment IDI20180418001195, I20240919000402

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.

Areas of Expertise CMS Part B claims 14

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.

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

440 services411 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.

411 services229 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.

220 services198 patients

Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 95720

This procedure monitors brain wave activity over 12-26 hours using Video EEG (VEEG). It involves recording brain waves and video to detect irregularities. A healthcare professional will review the data and provide a report. It's non-invasive and safe.

77 services50 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.

54 services47 patients

Measurement of brain wave activity (eeg), awake and asleep 95819

The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.

44 services42 patients

Measurement of brain wave activity (eeg), in coma or asleep 95822

The measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This is done when you're asleep or in a coma, to help understand brain function and identify any abnormalities.

35 services33 patients

Measurement of brain wave activity (eeg), 61-84 hours with health care professional review and report 95723

An EEG (Electroencephalogram) is a test that measures your brain's electrical activity over a period of 61-84 hours. The results are reviewed by a healthcare professional who provides a report. This can aid in diagnosing and monitoring neurological disorders.

23 services23 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.

23 services23 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician 93040

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. It uses 1 to 3 leads (sensors) placed on your skin. A physician reviews the results to assess heart rate, rhythm, and detect any abnormalities.

20 services20 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.

19 services19 patients

Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional 95718

This procedure, known as a Video EEG (VEEG), records brain wave activity for 2-12 hours. It involves attaching electrodes to your scalp and monitoring brain waves while a video records your actions. This helps health professionals understand and diagnose neurological issues.

16 services14 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.

15 services15 patients

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

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210005

Location400 West Seventh StFrederick, MD 21701 · Frederick County

Emergency services Birthing friendly

Charleston Area Medical Center

Acute Care Hospitals · Charleston, WV

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number510022

Location501 Morris StreetCharleston, WV 25301 · Kanawha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 25301 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

$124.46 typical visit price

range $53.20 – $164.59

Typical copayment $31.11 (range $13.30 – $41.14)

Most-billed visit code 99204

Established Patient

$94.81 typical visit price

range $16.47 – $133.29

Typical copayment $23.70 (range $4.11 – $33.32)

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.

Reported Quality Measures

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

96%3,862 patients4/55-star benchmark: 99%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

99%294 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

11%817 patients1/55-star benchmark: 97%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

97%797 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

22%797 patients2/55-star benchmark: 89%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

44%797 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KIRVIA JOSEFINA WILLIAMS D.O.

Psychiatry & Neurology (Neurology)