DR. ALEXANDER BLAU (DO) – Emergency Medicine Physician, NPI 1154860237
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
236 EMERGENCY MEDICINE in DE
Provider Addresses for DR. ALEXANDER BLAU (DO)
4755 OGLETOWN STANTON RD
NEWARK, DE 197182200
Phone: (302) 733-1000
Type: Location
UNIT 100284 BOX 611
USS KEARSARGE (LHD-3)
FPO, AE 095348406
Phone: (757) 444-3704
Type: Mailing
1751 MORRIS STREET
COMNAVSURFLANT - MEDICAL READINESS DIVISION
NORFOLK, VA 23511
Phone: (757) 444-1911
Type: Location
621 Middletown Odessa Rd
Middletown, DE 197099602
Phone: (302) 203-1300
Type: Location
501 W 14th St
Wilmington, DE 198011013
Phone: (302) 320-4182
Type: Location
106 Bow St
Elkton, MD 219215544
Phone: (410) 398-4000
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: 2025-11-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20250722001511 | I | Emergency Medicine | DE | TBD |
| I20251128000756 | I | Emergency 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 19718)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | DE | |
| - | DE | |
| - | DE | |
| - | PA | |
| Internal Medicine | DE | |
| Physician Assistant | DE | |
| Nurse Practitioner | PA | |
| General Surgery | IL | |
| Diagnostic Radiology | NY | |
| Internal Medicine | NY |
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