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Dr. Seiya Tokunaga, DO

Internal Medicine* Age 35
Dr. Seiya Tokunaga, DO
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Dr. Seiya Tokunaga, DO is an Internist in Long Beach, CA.
Dr. Seiya Tokunaga, DO
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Dr. Seiya Tokunaga, DO

Internal Medicine* Age 35
Long Beach, CA
Call for new patient details
Dr. Seiya Tokunaga, DO is an Internist in Long Beach, CA.

About

Dr. Seiya Tokunaga, DO is an Internist in Long Beach, CA. Dr. Tokunaga currently practices at Practice and are affiliated with St. John's Regional Medical Center and St. Mary Medical Center. Dr. Tokunaga's office is not accepting new patients. Dr. Tokunaga is board certified in Internal Medicine and accepts multiple insurance plans.

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These providers are on the medical staff of Optum California
These providers are on the medical staff of Optum California.
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Experience Check

Enter a condition or procedure
Dehydration
Nausea
Arterial Blood Gas Test (ABG)
Dehydration
Nausea
Arterial Blood Gas Test (ABG)
Dehydration
Nausea
  • View other providers who treat Nausea
Arterial Blood Gas Test (ABG)
Adult Failure to Thrive
All Headaches (incl. Migraine)
Constipation
Tobacco Use Disorder
Urinary Tract Infection (UTI)
Venous Embolism and Thrombosis
Electrocardiogram (EKG)
Immunization Administration
Acidosis
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Acute Bronchitis
Acute Kidney Infection
Acute Lower Respiratory Infection
Acute Upper Respiratory Infection
Anemia
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Arthritis
Asphyxia and Hypoxemia
Asymptomatic Post-Menopausal Status
Bedsores
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Cachexia
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Cellulitis
Chronic Sinusitis
COPD (Chronic Obstructive Pulmonary Disease)
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Down Syndrome
Enlarged Prostate (BPH)
Fever
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Foot Infection
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroptosis
Genu Valgum
Heart Disease
Hemorrhoids
Hernia
  • View other providers who treat Hernia
Hyperkalemia
Hypertension
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Intestinal Diverticulitis
Intestinal Diverticulosis
Joint Pain
Kidney Infection
Leukocytopenia
Limb Pain
Malnutrition
Menstrual Disorders
Muscle Cramping
Muscle Spasm
Nail Infection
Nighttime Urination (Nocturia)
Obesity
  • View other providers who treat Obesity
Overweight
Pericardial Disease
Pharyngitis
Pneumonia
Polyneuropathy
Polyuria
  • View other providers who treat Polyuria
Rhabdomyolysis
Secondary Hypertension
Shortness of Breath
Sinusitis
Sleep Apnea
Throat Pain
Urinary Incontinence
Advance Directive End of Life Planning

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Cigna PPO
    Cigna HMO
    Open Access Plus
    LocalPlus
  • CA Healthnet PPO
    CA CommunityCare Network HMO
    CA Employer Group Plans HMO
  • Prudent Buyer Individual CA PPO
    Prudent Buyer Small Group CA PPO
    Prudent Buyer Large Group CA PPO
  • Northern CA Cigna + Oscar LocalPlus EPO
    Northern CA Cigna + Oscar Open Access Plus EPO
  • Advantage Preferred DirectAccess Plus PPO
    Select PPO
  • Blue Cross CA Anthem High Performance Network
  • Blue Card PPO
    Blue Card High Performance Network HPN

Locations

  1. 1 St. Mary Medical Center Long Beach
    1050 Linden Ave, Long Beach, CA 90813
    Icon Directions Right Arrow Directions Phone Icon (562) 491-9000
  2. 2 St. John's Regional Medical Center
    1600 N Rose Ave, Oxnard, CA 93030
    Icon Directions Right Arrow Directions Phone Icon (805) 988-2505

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Dr. Tokunaga's Office & Staff

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About Me

Specialties*
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Board Certifications

Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Seiya Tokunaga, DO. To arrange an appointment, call the number on Dr. Tokunaga's profile.

Dr. Seiya Tokunaga, DO is affiliated with St. John's Regional Medical Center and St. Mary Medical Center.

Yes, Dr. Seiya Tokunaga, DO holds board certification in Internal Medicine.

Hospital Affiliations

  • St. John's Regional Medical Center

    1600 N Rose Ave, Oxnard, CA

  • St. Mary Medical Center

    1050 Linden Ave, Long Beach, CA