DR. YONGXIN CHEN (M.D.) – Allergy & Immunology Physician, NPI 1801899737
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
390 ALLERGY/IMMUNOLOGY in TX
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Provider Addresses for DR. YONGXIN CHEN (M.D.)
West Houston Center Boulevard, Houston, Harris County, Texas, 77077-9998, United States
HOUSTON, TX 770822790
Phone: (713) 596-8526
Fax: (713) 596-8560
Type: Mailing
Kingsland Boulevard, Willow Creek Farms - South, Katy, Waller County, Texas, United States
#110
KATY, TX 774502508
Phone: (281) 578-7922
Fax: (281) 578-3175
Type: Location
2900 Smith St Ste 215
Houston, TX 770063432
Phone: (713) 759-1086
Fax: (713) 529-4145
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 186 Open Payments records for all available years, with a total value of $3,537.
Total Amount is formed as General ($3,537) + Research ($0) + Ownership ($0) = $3,537.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,020).
Total Amount
$3,537
General + Research + Ownership
Payments
186
Total payment records
General Amount
$3,537
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
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: 2010-07-29
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 |
|---|---|---|---|---|
| I20100729000576 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 3,010 | 39 | $0 |
| 95117 | Professional service for multiple injections of allergen | 1,891 | 125 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 1,724 | 118 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 933 | 33 | $0 |
| 95115 | Professional service for single injection of allergen | 350 | 29 | $0 |
Insurance plans in this area (ZIP 77082)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ALLERGY/IMMUNOLOGY | TX | 95117 | Injection of incremental dosages of allergen, 2 or more injections | 834 | 49 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| Allergy/Immunology, Pediatric Medicine | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| Allergy/Immunology, Pediatric Medicine | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| - | TX | |
| 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 | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX |
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