DR. JEFFREY ALAN CONWELL (M.D.) – Pediatric Cardiology Physician, NPI 1518937978

DR. JEFFREY ALAN CONWELL (M.D.) is a healthcare provider. based in Seattle, Washington. specializing in PEDIATRIC MEDICINE. They hold the professional credentials M.D.. They hold a License No. G67657 (CA). The NPI Number for DR. JEFFREY ALAN CONWELL (M.D.) is 1518937978

Main info

Male
38 Years Of Experience
Accepts Medicare Assignment
Name
DR. JEFFREY ALAN CONWELL (M.D.)
NPI
1518937978
Phone
(206) 987-2266
Address
4800 SAND POINT WAY NE
Enumeration Date
26 January 2006
Last Update Date
23 March 2012

Doctor Profile

Medical School Name
OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2065262000
Graduation Year
1988 (38 years ago)
PAC ID
1052369261
Group Practice PAC ID
9133032964
Professional Enrollment ID
I20081017000093
Address ID
WA981053901SE4800XNEXX500
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

648 PEDIATRIC MEDICINE in WA

Loading map...

Provider Addresses for DR. JEFFREY ALAN CONWELL (M.D.)

  • Seattle Children's Hospital, 4800, Sand Point Way Northeast, Laurelhurst, Seattle, King County, Washington, 98105, United States

    M/S G-0035 PO BOX 5371

    SEATTLE, WA 981053901

    Phone: (206) 987-2266

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2019-02-19

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 3 Medicare enrollment records; no due dates published yet.

Enrollment records

3

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20081017000093IPediatric MedicineWATBD
I20181213001534IPediatric MedicineTXTBD
I20190219003174IPediatric MedicineAKTBD

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.

Verify on CMS Revalidation Lookup Tool

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 98105)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9133032964View full group profile
NameSpecialtyState
Pediatric MedicineWA
-WA
Pediatric Medicine, Hematology/OncologyCA
-WA
Diagnostic Radiology, Pediatric MedicineWA
Nurse PractitionerWA
A N E S T H E S I O L O G YWA
General Surgery, Thoracic Surgery, Surgical OncologyWA
-WA
-WA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is DR. JEFFREY ALAN CONWELL (M.D.)'s NPI number?
DR. JEFFREY ALAN CONWELL (M.D.)'s NPI is 1518937978 — the number used across U.S. healthcare to identify this provider.
Is there an active status for DR. JEFFREY ALAN CONWELL (M.D.)?
For scheduling context, DR. JEFFREY ALAN CONWELL (M.D.) is shown as active in the registry.
How would a patient describe DR. JEFFREY ALAN CONWELL (M.D.)'s focus?
For DR. JEFFREY ALAN CONWELL (M.D.), the primary taxonomy reads as Pediatric Cardiology Physician. Clinical services aligned with this taxonomy classification.
Is DR. JEFFREY ALAN CONWELL (M.D.) associated with Seattle?
Public fields place DR. JEFFREY ALAN CONWELL (M.D.) around Seattle, Washington. Always confirm the exact site before visiting.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

Similar Providers

MARGARET MACMILLAN VERNON (M.D.)

Pediatric Cardiology Physician
Seattle Children's Hospital, 4800, Sand Point Way Northeast, Laurelhurst, Seattle, King County, Washington, 98105, United States
NPI: 1144202151

Swedish Physician Division

Pediatrics Physician
The Seattle Rhinoplasty Center, 1101, Madison Street, First Hill, Seattle, King County, Washington, 98104, United States
NPI: 1225085749

SWEDISH HEALTH SERVICES

Internal Medicine Physician
PO BOX 25608
NPI: 1689612954

DR. MASATO TAKAHASHI (M.D.)

Pediatric Cardiology Physician
1214, South McClellan Street, Beacon Hill, Seattle, King County, Washington, 98144, United States
NPI: 1194763243

DR. YUK MING LAW (M.D.)

Pediatric Cardiology Physician
Seattle Children's Hospital, 4800, Sand Point Way Northeast, Laurelhurst, Seattle, King County, Washington, 98105, United States
NPI: 1104869395

LUCIANA T YOUNG (MD)

Pediatric Cardiology Physician
Terminal Finance Station Seattle Post Office, 2420, 4th Avenue South, Seattle, King County, Washington, 98134, United States
NPI: 1295760460

DR. MAGGIE LIKES (M.D.)

Pediatric Cardiology Physician
691 MURPHY RD STE 200
NPI: 1730194689
Springbrook Professional Center, 4500, Sand Point Way Northeast, Laurelhurst, Seattle, King County, Washington, 98105, United States
NPI: 1255449963

DR. TIM CHARLES MCQUINN (MD)

Pediatric Cardiology Physician
Seattle Children's Hospital, 4800, Sand Point Way Northeast, Laurelhurst, Seattle, King County, Washington, 98105, United States
NPI: 1841308889