Doctor profile · Federal record

Dr. Jon Welch, M. D.

Allergy Physician · Bellevue, WA

  • NPI 1639285034
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2320 130Th Ave Ne, Ste 220
Bellevue, WA 980051718
(425) 777-7486

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 29, 2020
Specialty taxonomy
207KA0200X — NUCC code
State license (1)
Washington #MD60424819
Medicaid
NC #59-06067

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639285034. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,721
Transactions
110
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GENZYME CORPORATION 12 $455.61
Takeda Pharmaceuticals U.S.A., Inc. 20 $425.27
BioCryst US Sales Co., LLC 13 $336.09
AstraZeneca Pharmaceuticals LP 12 $265.28
GlaxoSmithKline, LLC. 11 $231.73
CSL Behring 8 $194.19
Novartis Pharmaceuticals Corporation 7 $175.91
Genentech USA, Inc. 8 $167.45
Pharming Healthcare, Inc. 7 $139.55
kaleo, Inc. 4 $91.23
Regeneron Healthcare Solutions, Inc. 2 $56.68
PFIZER INC. 2 $45.14
Phadia US Inc. 2 $45.14
Jubilant HollisterStier LLC 1 $36.09
Kowa Pharmaceuticals America, Inc. 1 $22.32

By nature of payment

Food and Beverage
$2,702
Consulting Fee
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
0
Total drug cost
$210,486
Drug Type Claims Patients Total cost
Xolair (Omalizumab) Brand 27 0 $109,116
Hizentra (Immun Glob G(Igg)/Pro/Iga 0-50) Brand 12 0 $101,327
Prednisone Generic 12 0 $43

Frequently asked questions

Auto-generated from federal data
What is Dr. Jon Welch's medical specialty?
Dr. Jon Welch practices Allergy Physician in Bellevue, WA.
Where does Dr. Jon Welch practice?
Dr. Jon Welch practices at 2320 130Th Ave Ne, Bellevue, WA 980051718. Office phone: 4257777486.
What is Dr. Jon Welch's NPI?
Dr. Jon Welch's National Provider Identifier (NPI) is 1639285034, issued by NPPES.