JAMES CHRISTOPHER GRANT MD
NPI 1619959939
Otolaryngology in Webster, TX

Q: What is James Grant's NPI number?

The NPI number for James Grant is 1619959939. It was assigned to this individual provider in the NPPES registry on November 14, 2005.

Q: What is James Grant's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for James Grant was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 November 14, 2005PECOS EnrolledAccepts Medicare Assignment

85.88/100

CMS Quality Rating

333 N TEXAS AVE STE 3100, WEBSTER, TX 77598(281) 338-7135(281) 525-4183 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 16, 2026, Aug 9, 2021 (2 updates tracked since 2021).

On this page

About James Christopher Grant Md NPPES

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

JAMES CHRISTOPHER GRANT MD (NPI 1619959939) is an individual otolaryngology provider in Webster, Texas, licensed in Texas (K1206) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Clear Lake, and is a graduate of University Of Texas Medical Branch At Galveston (1994).

NPPES Registry Identity

NPI1619959939

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameJAMES CHRISTOPHER GRANTCredential: MD

Location Address333 N TEXAS AVE STE 3100Webster, TX 77598-4970

Mailing Address333 N Texas Ave Ste 3100Webster, TX 77598-4970 · (281) 338-7135 · Fax (281) 525-4183

Phone(281) 338-7135

Fax(281) 525-4183

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1994

Enumeration DateNovember 14, 2005

Last NPPES UpdateMarch 16, 20262 updates tracked since enumeration

NPPES CertifiedMarch 16, 2026

✔ NPI 1619959939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in TX · K1206

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

333 N TEXAS AVE STE 3100, Webster, TX 77598

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Other Identifiers 1

Other222771TX · Beechstreet

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc..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

James Christopher Grant 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 ID42386823

PECOS Enrollment IDI20100128000955

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 Reassignments

Medicare enrollment records show James Grant reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bay Area Ent Specialists LLP

Same address

Otolaryngology

333 N TEXAS AVE, SUITE 3100
Webster, TX 77598

Reassigned Medicare billing, Texas enrollment
7 clinicians in this Medicare group

NPI 1467630848 (281) 338-7135

Texas Ear, Nose & Throat Specialists, PLLC

268 mi

Otolaryngology

6717 ELDORADO PKWY STE 140
Mckinney, TX 75070

Reassigned Medicare billing, Texas enrollment
133 clinicians in this Medicare group

NPI 1255314985 (972) 731-7654

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 12

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.

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

638 services15 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

521 services14 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.

480 services313 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

357 services21 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

189 services116 patients

Diagnostic exam of nasal passages using an endoscope 31231

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

141 services88 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.

128 services128 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.

44 services40 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

41 services30 patients

Test to assess middle ear function 92567

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

17 services17 patients

Repositioning exercises of head for treatment of dizziness, each day 95992

Repositioning exercises of the head help manage dizziness by training your brain to cope with the signals that trigger this sensation. Daily, gentle movements of the head and body can reduce symptoms and improve balance.

16 services14 patients

Comprehensive hearing and speech recognition test 92557

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Hca Houston Healthcare Clear Lake

Acute Care Hospitals · Webster, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450617

Location500 W Medical Center BlvdWebster, TX 77598 · 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 77598 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

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

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.

85.88/100

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

Scored as part of a group practice

Quality

75.42

Promoting Interoperability

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 5

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

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

1 supplier19 claims19 services$46.07 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

1 supplier17 claims17 services$14.12 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

1 supplier22 claims22 services$9.60 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

1 supplier29 claims174 services$1.69 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier31 claims31 services$24.38 avg. paid by Medicare

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

Other Providers at the Same Location NPPES 6

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

ITZEL MERCADO AU.D

Audiologist