JOSHUA D WELDIN MD
NPI 1427107598
Pediatrics - Pediatric Cardiology in Seattle, WA

Active since January 09, 2007PECOS Enrolled
4800 SAND POINT WAY NE, SEATTLE, WA 98105(206) 987-2222(206) 987-2599 Get Directions Write a Review

NPPES record last updated: August 7, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 7, 2024, Jan 28, 2019 (2 updates tracked since 2019).

About Joshua D Weldin Md NPPES

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

JOSHUA D WELDIN MD (NPI 1427107598) is an individual pediatric cardiology provider in Seattle, Washington, licensed in Washington (MD00045351) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Arlington.

NPPES Registry Identity

NPI1427107598
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameJOSHUA D WELDINCredential: MD
Location Address4800 SAND POINT WAY NESeattle, WA 98105-3901
Mailing AddressPo Box 50010Seattle, WA 98105-1010 · (206) 987-8450 · Fax (206) 987-8484
Fax(206) 987-2599
Sole ProprietorNo
Enumeration DateJanuary 9, 2007
Last NPPES UpdateAugust 7, 20242 updates tracked since enumeration
NPPES CertifiedAugust 7, 2024
✔ NPI 1427107598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in WA · MD00045351
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedPediatricsTaxonomy 208000000X · License MD00045351 (WA)
Also ListedPediatrics · Pediatric Emergency MedicineTaxonomy 2080P0204X · License MD00045351 (WA)
4800 SAND POINT WAY NE, Seattle, WA 98105

Secondary Practice Location 1

Location 120218 77th Ave NE Ste BArlington, WA 98223-4602 · Phone (360) 526-0097

Other Identifiers 1

Medicaid8432783WA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joshua D Weldin Md 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 Reassignments

5

Medicare enrollment records show Joshua Weldin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Trauma Surgery
4800 SAND POINT WAY NE
Seattle, WA 98105
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 clinicians in this Medicare group
Multi-Specialty
320 WESTLAKE AVE. N., SUITE 100
Seattle, WA 98109
  • Reassigned Medicare billing, Washington enrollment
  • 2,678 clinicians in this Medicare group
Internal Medicine
11521 NE 128TH ST, STE 100
Kirkland, WA 98034
  • Reassigned Medicare billing, Washington enrollment
  • 1,074 clinicians in this Medicare group
Family Medicine
222 STATE AVE N
Kent, WA 98030
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
Pediatric Cardiology
20218 77TH AVE NE STE B
Arlington, WA 98223
  • Reassigned Medicare billing, Washington enrollment
  • 3 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 20

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

Anesthesiology
4800 SAND POINT WAY NE
SEATTLE, WA 98105
Speech-Language Pathologist
4800 SAND POINT WAY NE, MAIL STOP W-6839
SEATTLE, WA 98105
Medical Genetics (Clinical Molecular Genetics)
4800 SAND POINT WAY NE, GENETIC MEDICINE
SEATTLE, WA 98105
Pediatrics (Pediatric Critical Care Medicine)
4800 SAND POINT WAY NE, MB.10.620
SEATTLE, WA 98105
Pediatrics (Pediatric Infectious Diseases)
4800 SAND POINT WAY NE
SEATTLE, WA 98105
Nurse Practitioner (Pediatrics)
4800 SAND POINT WAY NE, MS O.7.720
SEATTLE, WA 98105
Nurse Practitioner (Family)
4800 SAND POINT WAY NE, MAILSTOP T-2108
SEATTLE, WA 98105
Otolaryngology (Pediatric Otolaryngology)
4800 SAND POINT WAY NE
SEATTLE, WA 98105

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 Joshua Weldin's NPI number?

The NPI number for Joshua Weldin is 1427107598. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Joshua Weldin located?

Joshua Weldin practices at 4800 Sand Point Way NE, Seattle, WA 98105. The listed phone number is (206) 987-2222.

What is Joshua Weldin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Joshua Weldin enrolled in Medicare?

Yes. Joshua Weldin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joshua Weldin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Weldin reassigns Medicare benefits to 5 organizations: Association Of Chmc And University Physicians (Seattle, WA), Kaiser Foundation Health Plan Of Washington (Seattle, WA), King County Public Hospital District No 2 (Kirkland, WA), Multicare Health System (Kent, WA) and Salish Pediatric Cardiology (Arlington, WA). Each 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 Joshua Weldin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joshua Weldin accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Joshua Weldin 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 Joshua Weldin was last updated on August 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.