Doctor profile · Federal record

Dr. Anne Thomassen, APRN,NP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Derry, NH

  • NPI 1144534298
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6 Tsienneto RD, Suite 300
Derry, NH 030381584
(603) 216-0400
fax (603) 216-3800

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
October 6, 2014
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New Hampshire #052024-23
Medicaid (3)
NH #30348459 · MA #110087843A · ME #1144534298

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144534298. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$177
Transactions
8
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 7 $153.01
Gilead Sciences, INC. 1 $24.34

By nature of payment

Food and Beverage
$177

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,710
Patients
789
Total drug cost
$41,933
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 339 101 $4,175
Amlodipine Besylate Generic 302 90 $2,632
Levothyroxine Sodium Generic 298 79 $4,526
Rosuvastatin Calcium Generic 260 82 $7,425
Metoprolol Succinate Generic 227 62 $4,492
Gabapentin Generic 198 47 $3,551
Losartan Potassium Generic 196 58 $2,647
Lisinopril Generic 155 51 $1,542
Pantoprazole Sodium Generic 124 37 $2,265
Omeprazole Generic 122 36 $2,406

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anne Thomassen's medical specialty?
Dr. Anne Thomassen practices Family Nurse Practitioner in Derry, NH.
Where does Dr. Anne Thomassen practice?
Dr. Anne Thomassen practices at 6 Tsienneto RD, Derry, NH 030381584. Office phone: 6032160400.
What is Dr. Anne Thomassen's NPI?
Dr. Anne Thomassen's National Provider Identifier (NPI) is 1144534298, issued by NPPES.
Does Dr. Anne Thomassen accept Medicare assignment?
Yes. Dr. Anne Thomassen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.