WAI-TIM CHEW – Allergy & Immunology Physician, NPI 1649775172
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
390 ALLERGY/IMMUNOLOGY in TX
Provider Addresses for WAI-TIM CHEW
5001 BISSONNET ST STE 200
BELLAIRE, TX 774014023
Phone: (281) 701-5457
Fax: (866) 493-3681
Type: Location
1497, Perry Street, NECKO, Columbus, Franklin, Ohio, 43201, United States
COLUMBUS, OH 432012640
Phone: (610) 393-7122
Type: Mailing
23800 NORTHWEST FWY STE 101
CYPRESS, TX 774295745
Phone: (346) 855-8095
Type: Location
Michael E. DeBakey VA Medical Center, 2002, Holcombe Boulevard, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
HOUSTON, TX 770304211
Phone: (713) 873-2000
Type: Location
6550 MAPLERIDGE ST STE 115
HOUSTON, TX 770814629
Phone: (281) 213-2522
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 59 Open Payments records for all available years, with a total value of $1,612.
Total Amount is formed as General ($1,612) + Research ($0) + Ownership ($0) = $1,612.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($575).
Total Amount
$1,612
General + Research + Ownership
Payments
59
Total payment records
General Amount
$1,612
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-06-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20240625004258 | I | Allergy/Immunology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 77401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| A L L E R G Y/ I M M U N O L O G Y | AR | |
| Pediatric Medicine, Allergy/Immunology | TX |
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