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WAI-TIM CHEW
NPI 1649775172
Allergy & Immunology in Cypress, TX

Active since March 27, 2018PECOS EnrolledAccepts Medicare Assignment
23800 NORTHWEST FWY STE 101, CYPRESS, TX 77429(346) 855-8095 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 4, 2026, Aug 6, 2025, Sep 3, 2024 and 1 more (4 updates tracked since 2018).

About Wai-tim Chew NPPES

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

WAI-TIM CHEW (NPI 1649775172) is an individual allergy & immunology provider in Cypress, Texas, licensed in Texas (U6214) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (2021).

NPPES Registry Identity

NPI1649775172
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameWAI-TIM CHEW
Location Address23800 NORTHWEST FWY STE 101Cypress, TX 77429-5745
Mailing Address6550 Mapleridge St Ste 115Houston, TX 77081-4629 · (281) 213-2522
Phone(346) 855-8095
Sole ProprietorYes
Medical School CMSOhio State University College Of MedicineGraduated 2021
Enumeration DateMarch 27, 2018
Last NPPES UpdateMay 4, 20264 updates tracked since enumeration
NPPES CertifiedMay 4, 2026
✔ NPI 1649775172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in TX · U6214
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.
23800 NORTHWEST FWY STE 101, Cypress, TX 77429
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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

Wai-tim Chew 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 ID3779027289
PECOS Enrollment IDI20240625004258
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 Wai-tim Chew reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Innovative Allergy
20 mi
Allergy & Immunology
6550 MAPLERIDGE ST STE 115
Houston, TX 77081
  • Reassigned Medicare billing, Texas enrollment
  • 4 clinicians in this Medicare group
NPI 1427541101 (281) 701-5457

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

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 Wai-tim Chew's NPI number?

The NPI number for Wai-tim Chew is 1649775172. It was assigned to this individual provider in the NPPES registry on March 27, 2018.

Where is Wai-tim Chew located?

Wai-tim Chew practices at 23800 Northwest Fwy Ste 101, Cypress, TX 77429. The listed phone number is (346) 855-8095.

What is Wai-tim Chew's specialty?

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

Is Wai-tim Chew enrolled in Medicare?

Yes. Wai-tim Chew 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 Wai-tim Chew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wai-tim Chew reassigns Medicare benefits to Innovative Allergy (Houston, 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 Wai-tim Chew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Wai-tim Chew accept?

Health plans from Blue Cross and Blue Shield of Texas list Wai-tim Chew 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 Wai-tim Chew was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.