Psychiatrist

Dr. Celia Mercado Ona, M.D.

91-2301 Fort Weaver Rd, Ewa Beach, Hawaii, 96706-3602

About Dr. Celia Mercado Ona

Dr. Celia Mercado Ona is a psychiatrist based in Ewa Beach, Hawaii who is specialized in Psychiatry. Active license number of Dr. Celia Mercado Ona is MD10438 for Psychiatry in Hawaii. Her current practice location is 91-2301 Fort Weaver Rd, Ewa Beach. Patients can contact her at 808-671-8511 or can fax her at 808-677-2570. Dr. Celia Mercado Ona, M.D., specializes in Psychiatry and her NPI number (Unique professional ID assigned by NPPES) is 1639236243.

Dr. Celia Mercado Ona 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. Celia Mercado Ona'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. Celia Mercado Ona
Specialization Psychiatry
Credentials M.D.
Gender Female
Practice Address: 91-2301 Fort Weaver Rd,
Ewa Beach, HI - 96706-3602
Fax 808-677-2570

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.

NPI Number1639236243
NPI Enumeration Date: 02 Jan, 2007
NPI Last Update On: 08 Jul, 2007

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. Celia Mercado Ona are as mentioned below.

License NumberSpecializationStateStatus
MD10438Psychiatry HawaiiPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Celia Mercado Ona such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
078161OtherHawaiiUNIVERSITY HEALTH ALLIANC
252394-01MedicaidHawaii
990298651-96706-E049OtherHawaiiTRICARE
252394OtherHawaiiALOHACARE
MD10438-01OtherHawaiiMDX HAWAII

Mailing Address

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

Dr. Celia Mercado Ona
Po Box 235913,
Honolulu, HI - 96823-3517
Phone: 808-671-8511
Fax: 808-677-2570

Book an Appointment with Dr. Celia Mercado Ona

To schedule an appointment, contact Dr. Celia Mercado Ona at 91-2301 Fort Weaver Rd, Ewa Beach, Hawaii or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Celia Mercado Ona:

Dr. Celia Mercado Ona is a psychiatrist specializing in Psychiatry. She 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.

Yes, Dr. Celia Mercado Ona 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. Celia Mercado Ona practices at 91-2301 Fort Weaver Rd, Ewa Beach, Hawaii, 96706-3602.

To schedule an appointment with Dr. Celia Mercado Ona, please contact the office at 808-671-8511.

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