1. Home
  2. Directory
  3. Washington
  4. Bellevue
  5. Allergy Immunology
  6. NPI Profile

DR. JON E WELCH M. D.
NPI 1639285034
Allergy & Immunology - Allergy in Bellevue, WA

Active since August 21, 2006PECOS Enrolled
2320 130TH AVE NE, STE 220, BELLEVUE, WA 98005(425) 777-7486 Get Directions Write a Review

NPPES record last updated: September 29, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2020, Nov 10, 2017 (2 updates tracked since 2017).

About Dr. Jon E Welch M. D. NPPES

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

DR. JON E WELCH M. D. (NPI 1639285034) is an individual allergy provider in Bellevue, Washington, licensed in Washington (MD60424819) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639285034
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameDR. JON E WELCHCredential: M. D.
Location Address2320 130TH AVE NE, STE 220Bellevue, WA 98005-1718
Mailing Address2320 130th Ave Ne, Ste 220Bellevue, WA 98005-1718 · (425) 777-7486
Phone(425) 777-7486
Sole ProprietorNo
Enumeration DateAugust 21, 2006
Last NPPES UpdateSeptember 29, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2020
✔ NPI 1639285034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in WA · MD60424819
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
2320 130TH AVE NE, Bellevue, WA 98005
Open in Google Maps ↗

Other Identifiers 1

Medicaid59-06067NC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jon E Welch M. D. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Jon Welch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Olympia Allergy And Immunology
Same address
Allergy & Immunology
2320 130TH AVE NE STE 220
Bellevue, WA 98005
  • Reassigned Medicare billing, Washington enrollment
NPI 1376156620 (704) 754-0257

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

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
3 suppliers27 claims84 services$17.50 avg. paid by Medicare
Injection, immune globulin (cuvitru), 100 mg J1555
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers31 claims11,610 services$11.69 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier13 claims5,980 services$9.52 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
3 suppliers40 claims305 services$2.36 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. SHANA OCONNOR-WOLF MFTA
Marriage & Family Therapist
2320 130TH AVE NE
BELLEVUE, WA 98005
King County (425) 646-2778
MICHAEL WOO, ND, L.AC. INC.
General Practice
2320 130TH AVE NE, SUITE 120
BELLEVUE, WA 98005
King County (425) 250-3095
MICHAEL WOO, N.D., LAC, INC.
Non-Pharmacy Dispensing Site
2320 130TH AVE NE, SUITE 120
BELLEVUE, WA 98005
King County (425) 250-3095
DR. MICHAEL WOO ND, LAC.
Naturopath
2320 130TH AVE NE, STE #120
BELLEVUE, WA 98005
King County (425) 250-3095
DR. KAREN D. NICHOLS PH.D.
Psychologist (Clinical)
2320 130TH AVE NE, SUITE 110
BELLEVUE, WA 98005
King County (425) 889-1240

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 Jon Welch's NPI number?

The NPI number for Jon Welch is 1639285034. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Jon Welch located?

Jon Welch practices at 2320 130th Ave NE Ste 220, Bellevue, WA 98005. The listed phone number is (425) 777-7486.

What is Jon Welch's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Jon Welch enrolled in Medicare?

Yes. Jon Welch is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jon Welch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jon Welch reassigns Medicare benefits to Olympia Allergy And Immunology (Bellevue, WA). 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 Jon Welch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jon Welch accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Jon Welch 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 Jon Welch was last updated on September 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.