DR. SIMON P HORSLEN (MB CHB) – Pediatric Gastroenterology Physician, NPI 1750471645
Pediatric Gastroenterology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. SIMON P HORSLEN (MB CHB)
4401 PENN AVE # 6130
PITTSBURGH, PA 152241334
Phone: (412) 692-5676
Type: Mailing
Springbrook Professional Center, 4500, Sand Point Way Northeast, Laurelhurst, Seattle, King County, Washington, 98105, United States
#100
SEATTLE, WA 981053900
Phone:
Type: Mailing
Seattle Children's Hospital, 4800, Sand Point Way Northeast, Laurelhurst, Seattle, King County, Washington, 98105, United States
SEATTLE, WA 981053901
Phone: (206) 987-2000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $6,990.
Total Amount is formed as General ($6,990) + Research ($0) + Ownership ($0) = $6,990.
Last reported payment date: 2024-11-16 • Largest payer in this snapshot: ALBIREO PHARMA, INC. ($4,875).
Total Amount
$6,990
General + Research + Ownership
Payments
10
Total payment records
General Amount
$6,990
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ALBIREO PHARMA, INC. | $4,875 |
| Alexion Pharmaceuticals, Inc. | $1,900 |
| Mirum Pharmaceuticals, Inc. | $215 |
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: 2021-09-09
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 |
|---|---|---|---|---|
| I20210909000250 | I | Pediatric Medicine | PA | 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 15224)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine | WA | |
| - | WA | |
| Pediatric Medicine, Hematology/Oncology | CA | |
| - | WA | |
| Diagnostic Radiology, Pediatric Medicine | WA | |
| Nurse Practitioner | WA | |
| A N E S T H E S I O L O G Y | WA | |
| General Surgery, Thoracic Surgery, Surgical Oncology | WA | |
| - | WA | |
| - | WA |
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