Doctor profile · Federal record

Dr. Dennis Gaither, M.D.

Psychiatry Physician (CMS: Psychiatry) · Mount Vernon, WA

  • NPI 1730123084
  • 47 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 S 2Nd St
Mount Vernon, WA 982734209
(360) 419-3500
Mailing address
1512 S 11Th St
Mount Vernon, WA 982745008

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Washington #MD00019927
Medicaid
WA #8190027

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730123084. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
195
Distinct HCPCS
3
Medicare allowed
$20,814
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 104 31 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 63 30 $115
99215 Established patient office or other outpatient visit, 40-54 minutes 28 13 $166

In context: peer comparison

Among 2 peers in this city , average services per provider: 71. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$921
Transactions
27
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, Inc. 7 $291.54
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 5 $224.62
ABBVIE INC. 6 $160.13
Janssen Pharmaceuticals, Inc 3 $79.80
Otsuka America Pharmaceutical, Inc. 2 $50.96
Lundbeck LLC 1 $33.25
Takeda Pharmaceuticals U.S.A., Inc. 1 $28.22
E.R. Squibb & Sons, L.L.C. 1 $27.27
Alkermes, Inc. 1 $24.92

By nature of payment

Food and Beverage
$893
Education
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,716
Patients
177
Total drug cost
$78,334
Drug Type Claims Patients Total cost
Clozapine Generic 423 20 $23,157
Risperidone Generic 269 20 $2,839
Lamotrigine Generic 252 14 $2,098
Ziprasidone Hcl Generic 235 0 $11,891
Olanzapine Generic 229 20 $4,642
Buspirone Hcl Generic 172 16 $3,380
Lorazepam Generic 163 17 $917
Trazodone Hcl Generic 153 19 $1,805
Aripiprazole Generic 140 13 $18,505
Sertraline Hcl Generic 137 0 $838

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Gaither's medical specialty?
Dr. Dennis Gaither practices Psychiatry Physician in Mount Vernon, WA.
Where does Dr. Dennis Gaither practice?
Dr. Dennis Gaither practices at 1100 S 2Nd St, Mount Vernon, WA 982734209. Office phone: 3604193500.
What is Dr. Dennis Gaither's NPI?
Dr. Dennis Gaither's National Provider Identifier (NPI) is 1730123084, issued by NPPES.
Does Dr. Dennis Gaither accept Medicare assignment?
Dr. Dennis Gaither does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Dennis Gaither commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); 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.