DR. MITZI JOI WILLIAMS (M.D.) – Neurology Physician, NPI 1356461248
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
689 NEUROLOGY in GA
Provider Addresses for DR. MITZI JOI WILLIAMS (M.D.)
3200 DOWNWOOD CIR NW
STE 550
ATLANTA, GA 303271610
Phone: (404) 351-0205
Fax: (404) 351-4187
Type: Mailing
1400 VETERANS MEMORIAL HWY SE STE 134-341
MABLETON, GA 301262945
Phone: (404) 383-0845
Fax: (678) 939-1451
Type: Mailing
767 CONCORD RD SE STE B
SMYRNA, GA 300822625
Phone: (404) 383-0845
Fax: (404) 383-0906
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 451 Open Payments records for all available years, with a total value of $440,942.
Total Amount is formed as General ($429,992) + Research ($10,950) + Ownership ($0) = $440,942.
Last reported payment date: 2024-12-29 • Largest payer in this snapshot: EMD Serono, Inc. ($174,523).
Total Amount
$440,942
General + Research + Ownership
Payments
451
Total payment records
General Amount
$429,992
General payments
Research Amount
$10,950
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| EMD Serono, Inc. | $174,523 |
| Genentech USA, Inc. | $77,903 |
| Biogen, Inc. | $54,908 |
| Genentech, Inc. | $51,717 |
| GENZYME CORPORATION | $19,973 |
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: 2008-06-16
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20080616000398 | I | Neurology | GA | 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 30327)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | GA |
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