Doctor profile · Federal record

Dr. MARK GARRET, M.D.

Neurology Physician (CMS: NEUROLOGY) · Neuromuscular Medicine (Psychiatry & Neurology) Physician · Neurology Physician · Neurology Physician · Neuromuscular Medicine (Psychiatry & Neurology) Physician · LEBANON, NH

  • NPI 1245683226
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1 MEDICAL CENTER DR # 1000
LEBANON, NH 037560001
(603) 650-5000
fax (603) 640-1228
Additional location
55 Fruit St # 835
Boston, MA 021142696
(617) 724-3914
fax (617) 724-7290
Mailing address
165 CAMBRIDGE ST STE 600
BOSTON, MA 021142781

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
December 11, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (3)
New Hampshire #33832 · Missouri #2020017661 · Massachusetts #291557

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245683226. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
4
Medicare allowed
$29,969
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 83 61 $191
99205 New patient office or other outpatient visit, 60-74 minutes 45 45 $240
95885 Needle measurement of electrical activity in arm or leg muscles, limited study 23 15 $72
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 15 14 $112

In context: peer comparison

Among 15 peers in this city , average services per provider: 133. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
533
Patients
109
Total drug cost
$4,046,217
Drug Type Claims Patients Total cost
Radicava Ors (Edaravone) Brand 209 32 $2,983,367
Riluzole Generic 129 38 $29,822
Relyvrio (Sod Phenylbutyrat/Taurursodiol) Brand 88 27 $1,030,936
Gabapentin Generic 44 0 $359
Baclofen Generic 31 12 $445
Atropine Sulfate Generic 16 0 $563
Tizanidine Hcl Generic 16 0 $725