Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DENNIS WARREN GAITHER M.D.
NPI 1730123084
Psychiatry & Neurology - Psychiatry in Mount Vernon, WA

Q: What is Dennis Gaither's NPI number?

The NPI number for Dennis Gaither is 1730123084. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Q: What is Dennis Gaither's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Dennis Gaither was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 16, 2006PECOS Enrolled

1100 S 2ND ST, MOUNT VERNON, WA 98273(360) 419-3500 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Dennis Warren Gaither M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DENNIS WARREN GAITHER M.D. (NPI 1730123084) is an individual psychiatry provider in Mount Vernon, Washington, licensed in Washington (MD00019927) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (1979).

NPPES Registry Identity

NPI1730123084

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. DENNIS WARREN GAITHERCredential: M.D.

Location Address1100 S 2ND STMount Vernon, WA 98273-4209

Mailing Address1512 S 11th StMount Vernon, WA 98274-5008 · (360) 336-9509

Phone(360) 419-3500

Sole ProprietorNo

Medical School CMSUniversity Of Washington School Of MedicineGraduated 1979

Enumeration DateJune 16, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1730123084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in WA · MD00019927

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1100 S 2ND ST, Mount Vernon, WA 98273

Open in Google Maps ↗

Other Identifiers 1

Medicaid8190027WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dennis Warren Gaither M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1658326012

PECOS Enrollment IDI20050317001054

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

110 services23 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

46 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98273 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$172.80 typical visit price

range $57.27 – $172.80

Typical copayment $43.20 (range $14.31 – $43.20)

Most-billed visit code 99205

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Leave this field empty

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN CAMACHO

Behavior Technician