DR. JAE-KOO AN (M.D.) – Pediatric Gastroenterology Physician, NPI 1205805447
Pediatric Gastroenterology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. JAE-KOO AN (M.D.)
North Stemmons Freeway, West End Historic District, Design District, Dallas, TX, Dallas, Dallas County, Texas, 75115, United States
DALLAS, TX 752474228
Phone: (214) 689-5960
Fax: (469) 713-8084
Type: Mailing
West Plano Parkway, Plano, Collin County, Texas, 75075, United States
PLANO, TX 750938467
Phone: (972) 306-3767
Fax: (972) 566-8839
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $818.
Total Amount is formed as General ($818) + Research ($0) + Ownership ($0) = $818.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($277).
Total Amount
$818
General + Research + Ownership
Payments
37
Total payment records
General Amount
$818
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $277 |
| GENZYME CORPORATION | $188 |
| ABBVIE INC. | $167 |
| Takeda Pharmaceuticals U.S.A., Inc. | $64 |
| Amgen Inc. | $30 |
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: 2010-08-16
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 |
|---|---|---|---|---|
| I20100816000851 | I | Gastroenterology | TX | 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 75247)
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