KARL JOHN MAKI (M.D.) – Neurology Physician, NPI 1639465883
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
633 NEUROLOGY in MD
Provider Addresses for KARL JOHN MAKI (M.D.)
122 DEFENSE HWY
SUITE 210
ANNAPOLIS, MD 214017069
Phone: (410) 266-9694
Fax: (410) 266-9695
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)
CMS reports 507 Open Payments records for all available years, with a total value of $10,278.
Total Amount is formed as General ($10,278) + Research ($0) + Ownership ($0) = $10,278.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ABBVIE INC. ($1,574).
Total Amount
$10,278
General + Research + Ownership
Payments
507
Total payment records
General Amount
$10,278
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,574 |
| MDD US Operations, LLC | $932 |
| PFIZER INC. | $821 |
| Amneal Pharmaceuticals LLC | $700 |
| Teva Pharmaceuticals USA, Inc. | $314 |
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: 2016-05-16
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 |
|---|---|---|---|---|
| I20160516001943 | I | Neurology | 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 |
|---|---|---|---|---|
| J0585 | Injection, onabotulinumtoxina, 1 unit | 25,465 | 44 | $0 |
| J0588 | Injection, incobotulinumtoxin a, 1 unit | 6,850 | 16 | $0 |
| J0587 | Injection, rimabotulinumtoxinb, 100 units | 3,900 | 24 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 972 | 518 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 252 | 190 | $0 |
Insurance plans in this area (ZIP 21401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MA | |
| N E U R O L O G Y | MD | |
| - | MD | |
| - | MD | |
| N E U R O L O G Y | MD | |
| Physician Assistant | MD | |
| N E U R O L O G Y | MD | |
| N E U R O L O G Y | MD |
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