DR. HOWARD AARON KADER (M.D.) – Pediatric Gastroenterology Physician, NPI 1821031451
Pediatric Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. HOWARD AARON KADER (M.D.)
PO BOX 62063
BALTIMORE, MD 212642063
Phone: (410) 706-5181
Fax: (410) 706-5103
Type: Mailing
University of Maryland Medical Center, 22, South Greene Street, Ridgely's Delight, Baltimore, Maryland, 21201, United States
N5W40
BALTIMORE, MD 212011544
Phone: (410) 328-6749
Fax: (410) 328-6136
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $206.
Total Amount is formed as General ($206) + Research ($0) + Ownership ($0) = $206.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Neurelis, Inc. ($50).
Total Amount
$206
General + Research + Ownership
Payments
9
Total payment records
General Amount
$206
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Neurelis, Inc. | $50 |
| Janssen Biotech, Inc. | $44 |
| IRONWOOD PHARMACEUTICALS, INC | $41 |
| Kyowa Kirin, Inc. | $28 |
| QOL Medical, LLC | $22 |
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: 2009-07-21
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 |
|---|---|---|---|---|
| I20090721000635 | I | Gastroenterology | MD | 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 21264)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine, Emergency Medicine | MD | |
| Pediatric Medicine | MD | |
| Emergency Medicine, Pediatric Medicine | MD | |
| Hematology/Oncology, Pediatric Medicine | MD | |
| Critical Care (Intensivists), Pediatric Medicine | NY | |
| Pediatric Medicine | MD | |
| - | MD | |
| Emergency Medicine, Pediatric Medicine | MD | |
| - | MD | |
| - | MD |
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