DR. WILLIAM G IRR JR. MD
NPI 1801858097
Psychiatry & Neurology - Neurology in Bellaire, TX

Active since April 04, 2006PECOS EnrolledAccepts Medicare Assignment
6700 WEST LOOP S, SUITE 400, BELLAIRE, TX 77401(713) 795-4785(713) 795-5426 Get Directions Write a Review

NPPES record last updated: July 11, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William G Irr Jr. Md NPPES

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

DR. WILLIAM G IRR JR. MD (NPI 1801858097) is an individual neurology provider in Bellaire, Texas, licensed in Texas (J8279) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of West Virginia University School Of Medicine (1991).

NPPES Registry Identity

NPI1801858097
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. WILLIAM G IRR JR.Credential: MD
Location Address6700 WEST LOOP S, SUITE 400Bellaire, TX 77401-4104
Mailing Address6400 Fannin St, Suite 2510Houston, TX 77030-1521 · (713) 704-7100 · Fax (713) 704-1796
Fax(713) 795-5426
Sole ProprietorNo
Medical School CMSWest Virginia University School Of MedicineGraduated 1991
Enumeration DateApril 4, 2006
Last NPPES UpdateJuly 11, 2013
NPI 1801858097 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 TX · J8279
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.
6700 WEST LOOP S, Bellaire, TX 77401

Other Identifiers 4

Medicare UPING10447
Other153449704TX · Mischer Grp Mdcd Harris Co Tpi
Other00106WTX · Mischer Grp Mdcr Ptan Harris Co
Other0035TDTX · Mischer Bcbstx Grp Prov Rec

Accepted 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

Dr. William G Irr Jr. 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 ID8820138779
PECOS Enrollment IDI20091228000262
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 8

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.

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.
616 services346 patients
Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366
This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.
334 services12 patients
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365
This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.
165 services15 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.
134 services106 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.
70 services67 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.
49 services49 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450068
Location6411 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Houston Physicians' Hospital

Acute Care Hospitals · Webster, TX
OwnershipPhysician
CMS Certification Number670008
Location333 N Texas AvenueWebster, TX 77598 · Harris County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77401 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%331 patients5/55-star benchmark: 100%
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.

Other Providers at the Same Location NPPES 17

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

Radiology (Diagnostic Radiology)
6700 WEST LOOP S, SUITE 100
BELLAIRE, TX 77401
Obstetrics & Gynecology (Maternal & Fetal Medicine)
6700 WEST LOOP S, SUITE 450
BELLAIRE, TX 77401
Psychiatry & Neurology (Neurology)
6700 WEST LOOP S, STE 400
BELLAIRE, TX 77401
Family Medicine
6700 WEST LOOP S, 520
BELLAIRE, TX 77401
Specialist
6700 WEST LOOP S, STE 330
BELLAIRE, TX 77401
Physical Therapist
6700 WEST LOOP S
BELLAIRE, TX 77401
Genetic Counselor, MS
6700 WEST LOOP S
BELLAIRE, TX 77401
Hospice Care, Community Based
6700 WEST LOOP S, SUITE 250
BELLAIRE, TX 77401

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 William Irr's NPI number?

The NPI number for William Irr is 1801858097. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Where is William Irr located?

William Irr practices at 6700 West Loop S Suite 400, Bellaire, TX 77401. The listed phone number is (713) 795-4785.

What is William Irr's specialty?

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

Is William Irr enrolled in Medicare?

Yes. William Irr 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.

What insurance does William Irr accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice and Oscar Insurance Company list William Irr 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 William Irr affiliated with any hospitals?

According to CMS data, William Irr is affiliated with Memorial Hermann - Texas Medical Center, Memorial Hermann Hospital System, Houston Methodist Hospital, Memorial Hermann Memorial City Hospital and Houston Physicians' Hospital.

When was this NPI record last updated?

The NPPES record for William Irr was last updated on July 11, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.