DR. IOANNIS KARAKIS (M.D.) – Epilepsy Physician, NPI 1386819969
Epilepsy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,144 NEUROLOGY in MA
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Provider Addresses for DR. IOANNIS KARAKIS (M.D.)
125, Pleasant Street, Allston, Boston, Suffolk County, Massachusetts, 02446, United States
APT 502
BROOKLINE, MA 024467143
Phone: (617) 277-4814
Type: Mailing
49 JESSE HILL JR DR SE OFC 335
ATLANTA, GA 303033049
Phone: (404) 616-4013
Type: Mailing
Fruit Street, Beacon Hill, Boston, Suffolk County, Massachusetts, 02114, United States
MASSACHUSETTS GENERAL HOSPITAL, DEPARTMENT OF NEUROLOGY
BOSTON, MA 021142621
Phone: (617) 726-3311
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $36,588.
Total Amount is formed as General ($36,588) + Research ($0) + Ownership ($0) = $36,588.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Ceribell, Inc. ($31,074).
Total Amount
$36,588
General + Research + Ownership
Payments
14
Total payment records
General Amount
$36,588
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ceribell, Inc. | $31,074 |
| UCB, Inc. | $3,760 |
| GlaxoSmithKline, LLC. | $1,630 |
| Neurelis, Inc. | $123 |
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: 2025-01-07
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 |
|---|---|---|---|---|
| I20250107001878 | I | Neurology | NC | 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 |
|---|---|---|---|---|
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | 194 | 18 | $0 |
| 95720 | Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 31 | 20 | $0 |
| 95938 | Placement of skin electrodes and measurement of stimulated sites on arms and legs | 28 | 28 | $0 |
| 95939 | Placement of skin electrodes and measurement of central motor stimulation in arms and legs | 11 | 11 | $0 |
Insurance plans in this area (ZIP 02446)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | NC | |
| Pulmonary Disease, Internal Medicine | NC | |
| General Surgery | NJ | |
| Physician Assistant | NC | |
| Pulmonary Disease, Critical Care (Intensivists), Sleep Medicine, Internal Medicine | NC | |
| Family Practice | NC | |
| Nurse Practitioner | KS | |
| Gastroenterology, Internal Medicine | NC | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | TX |
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