DR. DAVID SAMUEL MARKENSON (MD) – Pediatric Emergency Medicine (Pediatrics) Physician, NPI 1093781726
Pediatric Emergency Medicine (Pediatrics) Physician
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Profile Insights
NPPES metrics only — not quality of care.
667 PEDIATRIC MEDICINE in IN
Provider Addresses for DR. DAVID SAMUEL MARKENSON (MD)
11109 Parkview Plaza Dr
Fort Wayne, IN 468451701
Phone: (260) 266-5400
Fax: (260) 425-6745
Type: Location
7343 E MINERAL PL
CENTENNIAL, CO 801123241
Phone: (917) 626-6541
Type: Mailing
Grasslands Road, Valhalla, Town of Mount Pleasant, New York, 10603, United States
VALHALLA, NY 105951646
Phone: (914) 493-8250
Fax: (914) 493-2853
Type: Location
43, Harlan Drive, Quaker Ridge, City of New Rochelle, Westchester County, New York, 10804, United States
NEW ROCHELLE, NY 10804
Phone: (914) 738-0108
Fax: (914) 738-0175
Type: Mailing
601 E ROLLINS ST
ORLANDO, FL 328031248
Phone: (403) 303-5437
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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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: 2026-01-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 5 Medicare enrollment records; no due dates published yet.
Enrollment records
5
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 |
|---|---|---|---|---|
| I20050422000454 | I | Emergency Medicine | NY | TBD |
| I20200220000417 | I | Pediatric Medicine | FL | TBD |
| I20230414001096 | I | Emergency Medicine | FL | TBD |
| I20230915003434 | I | Pediatric Medicine | WI | TBD |
| I20260127004380 | I | Pediatric Medicine | IN | 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 46845)
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