DR. ZACHARIAH HASAN (MD) – Neurology Physician, NPI 1700414307
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. ZACHARIAH HASAN (MD)
722 GRANT ST STE F
HERNDON, VA 201704533
Phone: (703) 787-7638
Fax: (703) 787-7654
Type: Mailing
3800 Reservoir Road NW
Dept of Neurology
Washington, DC 20007
Phone: (202) 444-8525
Fax: (877) 245-1499
Type: Location
8320 Old Courthouse Rd Ste 400
Vienna, VA 221823848
Phone: (703) 226-4000
Fax: (703) 226-4010
Type: Location
44335 Premier Plz Ste 130
Ashburn, VA 201475052
Phone: (703) 787-7638
Type: Location
3800 RESERVOIR ROAD NW
DEPT OF NEUROLOGY
WASHINGTON, DC 20007
Phone: (202) 444-8525
Fax: (877) 245-1499
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 34 Open Payments records for all available years, with a total value of $2,229.
Total Amount is formed as General ($2,229) + Research ($0) + Ownership ($0) = $2,229.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: EMD Serono, Inc. ($732).
Total Amount
$2,229
General + Research + Ownership
Payments
34
Total payment records
General Amount
$2,229
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| EMD Serono, Inc. | $732 |
| GENZYME CORPORATION | $245 |
| Biogen, Inc. | $173 |
| Amgen Inc. | $147 |
| TG Therapeutics, Inc. | $133 |
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: 2026-02-06
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 |
|---|---|---|---|---|
| I20251103000007 | I | Neurology | DC | TBD |
| I20260206001641 | I | Neurology | VA | 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 20170)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | VA |
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