Doctor profile · Federal record

Dr. Ioannis Karakis, M.D.

Epilepsy Physician (CMS: Neurology) · Neurology Physician · Boston, MA

  • NPI 1386819969
  • Accepts Medicare
  • MIPS 86.9 / 100 · 2023
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St # 739-L, Massachusetts General Hospital, Department of Neurology
Boston, MA 021142621
(617) 726-3311
Mailing address
49 Jesse Hill JR Dr Se Ofc 335
Atlanta, GA 303033049

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
November 2, 2022
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2084E0001X — NUCC code
State licenses (2)
Georgia #67662 · Massachusetts #229384

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386819969. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
264
Distinct HCPCS
4
Medicare allowed
$14,458
HCPCS Description Services Patients Avg 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 $29
95720 Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 31 20 $205
95938 Placement of skin electrodes and measurement of stimulated sites on arms and legs 28 28 $41
95939 Placement of skin electrodes and measurement of central motor stimulation in arms and legs 11 11 $117

In context: peer comparison

Among 10 peers in Boston Epilepsy Physician, average services per provider: 43. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$36,465
Transactions
13
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Ceribell, INC. 9 $31,074.34
Ucb, INC. 2 $3,760.00
GlaxoSmithKline, LLC. 2 $1,630.35

By nature of payment

Consulting Fee
$34,834
Travel and Lodging
$1,630

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ioannis Karakis's medical specialty?
Dr. Ioannis Karakis practices Epilepsy Physician in Boston, MA.
Where does Dr. Ioannis Karakis practice?
Dr. Ioannis Karakis practices at 55 Fruit St # 739-L, Boston, MA 021142621. Office phone: 6177263311.
What is Dr. Ioannis Karakis's NPI?
Dr. Ioannis Karakis's National Provider Identifier (NPI) is 1386819969, issued by NPPES.
Does Dr. Ioannis Karakis accept Medicare assignment?
Yes. Dr. Ioannis Karakis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ioannis Karakis commonly perform?
Top Medicare-reported procedures in 2023: 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) (HCPCS G0453); Measurement of brain wave activity with video (veeg) (HCPCS 95720); Placement of skin electrodes and measurement of stimulated sites on arms and legs (HCPCS 95938). Source: CMS Medicare Physician & Other Practitioners file.