Doctor profile · Federal record

Dr. William Seymour, NP

Psychiatric/Mental Health Nurse Practitioner · Westbrook, ME

  • NPI 1790415594
  • MIPS 93.1 / 100 · 2023
  • 4 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
123 Andover RD
Westbrook, ME 040923850
(207) 761-2200

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
July 26, 2023
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Maine #CNP221293

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790415594. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
150
Distinct HCPCS
2
Medicare allowed
$12,463
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 139 54 $80
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $119

In context: peer comparison

Among 1 peers in this city , average services per provider: 75. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$30
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, Inc. 1 $30.00

By nature of payment

Food and Beverage
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
751
Patients
141
Total drug cost
$71,416
Drug Type Claims Patients Total cost
Clonazepam Generic 104 30 $1,251
Lamotrigine Generic 85 17 $1,263
Quetiapine Fumarate Generic 76 15 $3,384
Trazodone Hcl Generic 71 18 $1,425
Bupropion Xl (Bupropion Hcl) Brand 54 13 $1,206
Duloxetine Hcl Generic 42 13 $1,454
Mirtazapine Generic 42 13 $830
Risperidone Generic 39 0 $1,218
Gabapentin Generic 38 11 $1,119
Naltrexone Hcl Generic 38 0 $2,683

Frequently asked questions

Auto-generated from federal data
What is Dr. William Seymour's medical specialty?
Dr. William Seymour practices Psychiatric/Mental Health Nurse Practitioner in Westbrook, ME.
Where does Dr. William Seymour practice?
Dr. William Seymour practices at 123 Andover RD, Westbrook, ME 040923850. Office phone: 2077612200.
What is Dr. William Seymour's NPI?
Dr. William Seymour's National Provider Identifier (NPI) is 1790415594, issued by NPPES.
What procedures does Dr. William Seymour commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.