ROBERT WACK (MD) – Pediatrics Physician, NPI 1881662955
Pediatrics Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
652 PEDIATRIC MEDICINE in MD
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Provider Addresses for ROBERT WACK (MD)
Frederick Memorial Hospital, 400, West 7th Street, Rosedale, Frederick, Frederick County, Maryland, 21701, United States
FREDERICK, MD 217014506
Phone: (240) 566-3300
Fax: (240) 566-4872
Mailing address matches the actual address.
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: 2010-04-09
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 |
|---|---|---|---|---|
| I20100409000008 | I | Pediatric Medicine | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90471 | Administration of vaccine | 26 | 11 | $0 |
| 0134A | Adm sarscv2 bvl 50mcg/.5ml a | 14 | 14 | $0 |
Insurance plans in this area (ZIP 21701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine | MA | |
| Physician Assistant | MD | |
| Nurse Practitioner | MD |
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