Doctor profile · Federal record

Dr. Thor Agustsson, DO

Psychiatry Physician (CMS: Geriatric Psychiatry) · Psychiatry Physician · Psychiatry Physician · Psychiatry Physician · Nashua, NH

  • NPI 1427219948
  • Accepts Medicare
  • 18 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Main St
Nashua, NH 030642716
(603) 883-0005
fax (603) 883-0007
Mailing address
78 Atlantic Pl
South Portland, ME 041062316

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
December 21, 2015
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (4)
Maine #DO2450 · Illinois #036.130493 · Florida #OS 12078 · New Hampshire #17292

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427219948. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
94
Distinct HCPCS
1
Medicare allowed
$10,881
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 94 22 $116

In context: peer comparison

Among 7 peers in Nashua Psychiatry Physician, average services per provider: 171. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
235
Patients
11
Total drug cost
$6,239
Drug Type Claims Patients Total cost
Clonazepam Generic 39 0 $624
Bupropion Xl (Bupropion Hcl) Brand 32 11 $1,502
Lorazepam Generic 28 0 $282
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 21 0 $1,027
Lamotrigine Generic 17 0 $264
Alprazolam Generic 16 0 $80
Sertraline Hcl Generic 16 0 $150
Dextroamphetamine-Amphet ER (Dextroamphetamine/Amphetamine) Brand 14 0 $1,494
Fluoxetine Hcl Generic 14 0 $189
Trazodone Hcl Generic 14 0 $308

Frequently asked questions

Auto-generated from federal data
What is Dr. Thor Agustsson's medical specialty?
Dr. Thor Agustsson practices Psychiatry Physician in Nashua, NH.
Where does Dr. Thor Agustsson practice?
Dr. Thor Agustsson practices at 1 Main St, Nashua, NH 030642716. Office phone: 6038830005.
What is Dr. Thor Agustsson's NPI?
Dr. Thor Agustsson's National Provider Identifier (NPI) is 1427219948, issued by NPPES.
Does Dr. Thor Agustsson accept Medicare assignment?
Yes. Dr. Thor Agustsson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thor Agustsson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.