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 Lebanon Neurology Physician, 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

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Garret's medical specialty?
Dr. Mark Garret practices Neurology Physician in Lebanon, NH.
Where does Dr. Mark Garret practice?
Dr. Mark Garret practices at 1 Medical Center Dr # 1000, Lebanon, NH 037560001. Office phone: 6036505000.
What is Dr. Mark Garret's NPI?
Dr. Mark Garret's National Provider Identifier (NPI) is 1245683226, issued by NPPES.
Does Dr. Mark Garret accept Medicare assignment?
Yes. Dr. Mark Garret accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Garret commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Needle measurement of electrical activity in arm or leg muscles, limited study (HCPCS 95885). Source: CMS Medicare Physician & Other Practitioners file.