GRANT PICKETT MD
NPI 1225526874
Allergy & Immunology in Houston, TX

Q: What is Grant Pickett's NPI number?

The NPI number for Grant Pickett is 1225526874. It was assigned to this individual provider in the NPPES registry on April 30, 2018.

Q: What is Grant Pickett's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Grant Pickett was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 April 30, 2018PECOS EnrolledAccepts Medicare Assignment

7707 FANNIN ST STE 195, HOUSTON, TX 77054(713) 797-0045(713) 797-1821 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 20, 2024, Oct 10, 2023, Aug 29, 2023 and 1 more (4 updates tracked since 2018).

On this page

About Grant Pickett Md NPPES

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

GRANT PICKETT MD (NPI 1225526874) is an individual allergy & immunology provider in Houston, Texas, licensed in Texas (U2980) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2018).

NPPES Registry Identity

NPI1225526874

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameGRANT PICKETTCredential: MD

Location Address7707 FANNIN ST STE 195Houston, TX 77054-1989

Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-0000

Phone(713) 797-0045

Fax(713) 797-1821

Sole ProprietorNo

Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2018

Enumeration DateApril 30, 2018

Last NPPES UpdateAugust 28, 20254 updates tracked since enumeration

NPPES CertifiedAugust 28, 2025

✔ NPI 1225526874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in TX · U2980

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedInternal MedicineTaxonomy 207R00000X · License U2980 (TX)

7707 FANNIN ST STE 195, Houston, TX 77054

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Secondary Practice Locations 3

Location 19301 Pinecroft Dr Ste 100The Woodlands, TX 77380-3178 · Phone (281) 364-1001 · Fax (281) 364-9095

Location 22415 W Alabama St Ste 208Houston, TX 77098-2263 · Phone (281) 617-1649 · Fax (281) 617-1650

Location 39110 Katy FwyHouston, TX 77055-7423 · Phone (713) 442-6900

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Grant Pickett 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 ID6406290618

PECOS Enrollment IDI20240215002723

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

Allergy & Ent Associates, PLLC

Same address

Allergy & Immunology

7707 FANNIN, SUITE 195
Houston, TX 77054

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

NPI 1093739450 (713) 797-0045

Kelsey-Seybold Medical Group, PLLC

1.6 mi

Multi-Specialty

2727 W HOLCOMBE BLVD
Houston, TX 77025

Reassigned Medicare billing, Texas enrollment
1,649 clinicians in this Medicare group

NPI 1013915255 (713) 442-0000

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 10

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.

976 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.

542 services15 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.

220 services33 patients

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

195 services18 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.

99 services80 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

38 services30 patients

Other Providers at the Same Location NPPES 3

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

MICHELLE JOSEPH MD

Allergy & Immunology

7707 FANNIN ST STE 195
HOUSTON, TX 77054

Harris County (713) 797-0045

ASHLEY CHASTAIN PA-C

Physician Assistant (Medical)

7707 FANNIN ST STE 195
HOUSTON, TX 77054

Harris County (713) 767-0045

JEMILATU M ALHARAZIM PA-C

Physician Assistant

7707 FANNIN ST STE 195
HOUSTON, TX 77054

Harris County (713) 797-0045

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 Grant Pickett's NPI number?

The NPI number for Grant Pickett is 1225526874. It was assigned to this individual provider in the NPPES registry on April 30, 2018.

Where is Grant Pickett located?

Grant Pickett practices at 7707 Fannin St Ste 195, Houston, TX 77054. The listed phone number is (713) 797-0045.

What is Grant Pickett's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Grant Pickett enrolled in Medicare?

Yes. Grant Pickett 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 organizations bill Medicare for Grant Pickett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grant Pickett reassigns Medicare benefits to 2 organizations: Allergy & Ent Associates, PLLC (Houston, TX) and Kelsey-Seybold Medical Group, PLLC (Houston, TX). Each 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 Grant Pickett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Grant Pickett accept?

Health plans from UnitedHealthcare list Grant Pickett 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.

When was this NPI record last updated?

The NPPES record for Grant Pickett was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.