DR. ROLAND HAYES WALKER (M.D.) – Pediatrics Physician, NPI 1891875647
Pediatrics Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
78 GENERAL PRACTICE in IN
Provider Addresses for DR. ROLAND HAYES WALKER (M.D.)
6916 W JOHNSON RD
LA PORTE, IN 463506548
Phone: (219) 326-7337
Fax: (219) 326-7338
Type: Location
601 W KIEFFER RD
MICHIGAN CITY, IN 463609599
Phone: (219) 210-3676
Fax: (219) 939-6090
Type: Location
1001, North Vermillion Street, Miller Beach, Gary, Calumet Township, Lake County, Indiana, 46403, United States
GARY, IN 464031541
Phone: (219) 939-8970
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $23.
Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.
Last reported payment date: 2024-11-14 • Largest payer in this snapshot: Vanda Pharmaceuticals Inc. ($23).
Total Amount
$23
General + Research + Ownership
Payments
1
Total payment records
General Amount
$23
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Vanda Pharmaceuticals Inc. | $23 |
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: 2026-01-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20050523001047 | I | Pediatric Medicine | IN | TBD |
| I20231109002299 | I | Pediatric Medicine | TX | TBD |
| I20250324002953 | I | General Practice | NV | TBD |
| I20260116003569 | I | General Practice | TN | 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 46350)
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