DR. JON E WELCH (M. D.) – Allergy Physician, NPI 1639285034
Allergy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
94 ALLERGY/IMMUNOLOGY in WA
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Provider Addresses for DR. JON E WELCH (M. D.)
2320, 130th Avenue Northeast, Cherry Crest, Bellevue, King County, Washington, 98005, United States
STE 220
BELLEVUE, WA 980051718
Phone: (425) 777-7486
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 223 Open Payments records for all available years, with a total value of $5,103.
Total Amount is formed as General ($5,103) + Research ($0) + Ownership ($0) = $5,103.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($697).
Total Amount
$5,103
General + Research + Ownership
Payments
223
Total payment records
General Amount
$5,103
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $697 |
| GENZYME CORPORATION | $691 |
| GlaxoSmithKline, LLC. | $637 |
| AstraZeneca Pharmaceuticals LP | $470 |
| CSL Behring | $359 |
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: 2014-05-20
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 |
|---|---|---|---|---|
| I20140520001175 | I | Allergy/Immunology | WA | 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 98005)
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