ARMISTEAD D III WILLIAMS (M.D.) – Neurology Physician, NPI 1073580908
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,241 NEPHROLOGY in NY
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Provider Addresses for ARMISTEAD D III WILLIAMS (M.D.)
PO BOX 18205
NEWARK, NJ 071918205
Phone: (212) 265-8070
Fax: (212) 523-8194
Type: Mailing
521, West 57th Street, Hell's Kitchen, Manhattan Community Board 4, Manhattan, New York County, New York, 10019, United States
4TH FLOOR
NEW YORK, NY 100192901
Phone: (212) 265-8070
Fax: (212) 523-8194
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: 2006-03-02
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 |
|---|---|---|---|---|
| I20060302000022 | I | Nephrology | NY | 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 |
|---|---|---|---|---|
| J2350 | Injection, ocrelizumab, 1 mg | 100,800 | 96 | $0 |
| J2323 | Injection, natalizumab, 1 mg | 52,200 | 18 | $0 |
| J1561 | Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | 15,040 | 19 | $0 |
| J9312 | Injection, rituximab, 10 mg | 6,800 | 36 | $0 |
| 96415 | Administration of chemotherapy into vein, each additional hour | 732 | 139 | $0 |
Insurance plans in this area (ZIP 07191)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Occupational Therapist In Private Practice | NY | |
| - | NY | |
| Physical Therapist In Private Practice | NY | |
| N E U R O L O G Y | NY | |
| N E U R O L O G Y | NY | |
| Physical Therapist In Private Practice | NJ | |
| N E U R O L O G Y | NY |
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