Doctor profile · Federal record

Dr. Peter Hadar, MD, MS

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

  • NPI 1922597012
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 726-3311
Additional location
15 Parkman Street, Wacc 835
Boston, MA 02114
fax (617) 726-9250
Additional location
75 Francis St
Boston, MA 021156110
(617) 732-5500
Mailing address
15 Parkman Street, Wacc 835
Boston, MA 02114

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
November 12, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
2084E0001X — NUCC code
State license (1)
Massachusetts #291110

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922597012. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$183
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
NEUROPACE, INC. 1 $182.88

By nature of payment

Food and Beverage
$183

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
41
Total drug cost
$64,047
Drug Type Claims Patients Total cost
Levetiracetam Generic 103 24 $6,046
Lacosamide Generic 72 17 $21,624
Lamotrigine Generic 25 0 $1,120
Clobazam Generic 17 0 $6,607
Zonisamide Generic 14 0 $683
Divalproex Sodium Generic 13 0 $1,289
Divalproex Sodium Er (Divalproex Sodium) Brand 13 0 $1,184
Zonegran (Zonisamide) Brand 11 0 $25,494

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Hadar's medical specialty?
Dr. Peter Hadar practices Epilepsy Physician in Boston, MA.
Where does Dr. Peter Hadar practice?
Dr. Peter Hadar practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177263311.
What is Dr. Peter Hadar's NPI?
Dr. Peter Hadar's National Provider Identifier (NPI) is 1922597012, issued by NPPES.
Does Dr. Peter Hadar accept Medicare assignment?
Yes. Dr. Peter Hadar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.