Psychiatrist | 47+ years experience

Dr. Dennis Warren Gaither, M.D.

1100 S 2nd St, Mount Vernon, Washington, 98273-4209

About Dr. Dennis Warren Gaither

Dr. Dennis Warren Gaither is a psychiatrist based in Mount Vernon, Washington with 47 years of experience in Psychiatry. He completed his graduation from University Of Washington School Of Medicine in 1979. He may accept the Medicare-approved amount. Patients may be billed for more than the Medicare deductible and coinsurance. Active license number of Dr. Dennis Warren Gaither is MD00019927 for Psychiatry in Washington. His current practice location is 1100 S 2nd St, Mount Vernon. Patients can contact him at 360-419-3500. Dr. Dennis Warren Gaither, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1730123084.

Dr. Dennis Warren Gaither 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.

Practice Information

Dr. Dennis Warren Gaither's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Dennis Warren Gaither
Specialization Psychiatry
Credentials M.D.
Accepts Medicare Assignment May Accept
Gender Male
Practice Address: 1100 S 2nd St,
Mount Vernon, WA - 98273-4209

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 1658326012
Enrollment ID I20050317001054
NPI Number1730123084
NPI Enumeration Date: 16 Jun, 2006
NPI Last Update On: 13 Jul, 2026

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Dennis Warren Gaither are as mentioned below.

License NumberSpecializationStateStatus
MD00019927Psychiatry WashingtonPrimary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Dennis Warren Gaither is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Lake Whatcom Residential And Treatment Center (8820068661)4
Shifa Health Pllc (9638070501)10

Other Medical Identifiers

Other professional identifiers associated with Dr. Dennis Warren Gaither such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
8190027MedicaidWashington

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Dennis Warren Gaither
1512 S 11th St,
Mount Vernon, WA - 98274-5008
Phone: 360-336-9509

Book an Appointment with Dr. Dennis Warren Gaither

To schedule an appointment, contact Dr. Dennis Warren Gaither at 1100 S 2nd St, Mount Vernon, Washington or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Dennis Warren Gaither:

Dr. Dennis Warren Gaither is a psychiatrist specializing in Psychiatry. He 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.

Dr. Dennis Warren Gaither completed his education (M.D.) from University Of Washington School Of Medicine in 1979.

Dr. Dennis Warren Gaither has approximately 47 years of experience in Psychiatry.

Dr. Dennis Warren Gaither may accept Medicare assignment. Please contact the provider's office directly to verify Medicare participation and coverage details.

Yes, Dr. Dennis Warren Gaither is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Dennis Warren Gaither practices at 1100 S 2nd St, Mount Vernon, Washington, 98273-4209.

To schedule an appointment with Dr. Dennis Warren Gaither, please contact the office at 360-419-3500.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.