Doctor profile · Federal record

Dr. Martha Seymour, NPP

Psychiatric/Mental Health Nurse Practitioner · Riverhead, NY

  • NPI 1578646055
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Center Drive 2Nd Floor Wing, Riverhead Mental Health Clinic,County Center Building
Riverhead, NY 11901
(631) 185-2144
fax (631) 852-1448

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
New York #F400622-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578646055. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
88
Distinct HCPCS
1
Medicare allowed
$7,906
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 88 53 $90

In context: peer comparison

Among 2 peers in Riverhead Psychiatric/Mental Health Nurse Practitioner, average services per provider: 147. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $125.00

By nature of payment

Food and Beverage
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
601
Patients
100
Total drug cost
$14,553
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 68 15 $1,559
Duloxetine Hcl Generic 48 13 $1,536
Fluoxetine Hcl Generic 45 0 $277
Gabapentin Generic 44 0 $831
Olanzapine Generic 42 11 $2,744
Trazodone Hcl Generic 42 11 $400
Risperidone Generic 39 0 $416
Mirtazapine Generic 38 14 $577
Lamotrigine Generic 37 13 $679
Sertraline Hcl Generic 37 12 $334

Frequently asked questions

Auto-generated from federal data
What is Dr. Martha Seymour's medical specialty?
Dr. Martha Seymour practices Psychiatric/Mental Health Nurse Practitioner in Riverhead, NY.
Where does Dr. Martha Seymour practice?
Dr. Martha Seymour practices at 300 Center Drive 2Nd Floor Wing, Riverhead, NY 11901. Office phone: 6311852144.
What is Dr. Martha Seymour's NPI?
Dr. Martha Seymour's National Provider Identifier (NPI) is 1578646055, issued by NPPES.
What procedures does Dr. Martha Seymour commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.