Photo of Theresa N. Nguyen, MD

Theresa N. Nguyen, MD

Internal Medicine
Accepting New Patients
Offers Video Visits
Theresa Thanh Ngoc Nguyen, MD Inc.
5030 Westminster Avenue, Suite A
Santa Ana, CA 92703
26.4 miles away
(714) 775-8090
Medical Groups & Affiliations
Providence Affiliated Physicians, St. Joseph
Speaks: English and Vietnamese
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Theresa Thanh Ngoc Nguyen, MD Inc.

5030 Westminster Avenue, Suite A, Santa Ana, CA 92703

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Insurances Accepted

This information provides an overview of accepted insurance plan types for new patients. Coverage may vary by specific plan. Please verify with your insurance provider before visiting us for care. Established patients should call to verify insurance acceptance.

HMO Insurer ID List

About Theresa N. Nguyen

Dr. Theresa Thanh Nguyen is an internist in Westminster, California. She received her medical degree from University of California San Diego School of Medicine and has been in practice for more than 20 years.

Theresa Thanh Ngoc Nguyen, MD Inc.
5030 Westminster Avenue, Suite A
Santa Ana, CA 92703
Medical Groups & Affiliations
Providence Affiliated Physicians, St. Joseph

Conditions and Procedures

  • Abdominal Cramps
  • Abdominal Pain
  • Abnormal Bowel Movement
  • Abnormal Stool
  • Abrasion
  • Acne
  • Actinic Cheilitis
  • Acute Arthritis
  • Acute Back Pain
  • Aging
  • Alcohol Dependency
  • Allergic Conjunctivitis
  • Allergic Contact Dermatitis
  • Allergic Reaction
  • Allergic Rhinitis
  • Allergic Wheezing
  • Allergies
  • Altered Bowel Habits
  • Anal Pain
  • Anemia
  • Angular Cheilitis
  • Animal Bite
  • Ankle Injury
  • Ankle Instability
  • Anorexia
  • Anxiety
  • Aphthous Ulcers
  • Arm Pain
  • Arm Weakness
  • Arthralgia
  • Asthma
  • B12 Deficiency Anemia
  • Back Injury
  • Back Muscle Injury
  • Back Muscle Pain
  • Back Pain
  • Bereavement
  • Bilateral Knee Pain
  • Birthmark
  • Bleeding Hemorrhoids
  • Blister
  • Blood In Stool
  • Blurred Vision
  • Breast Lump
  • Bright Red Blood Per Rectum
  • Bronchitis
  • Bruising
  • Burns
  • Cellulitis
  • Cerumen Removal
  • Chest Pain
  • Chlamydia
  • Choking Sensation
  • Cholesterol Disorders
  • Cholesterol Management
  • Chronic Abdominal Pain
  • Chronic Cough
  • Chronic Diarrhea
  • Chronic Disease Management
  • Chronic Fatigue Syndrome (Cfs)
  • Chronic Migraines
  • Chronic Obstructive Pulmonary Disease
  • Chronic Pain
  • Claudication
  • Cold Intolerance
  • Cold Sore
  • College Health
  • Common Cold
  • Concussion
  • Concussion Testing
  • Confusion
  • Conjunctivitis
  • Constant Nausea
  • Constipation
  • Contact Dermatitis
  • Coping Skills
  • Cough
  • Cystitis
  • Daytime Sleepiness
  • Decrease In Appetite
  • Dehydration
  • Dementia
  • Depressed Mood
  • Dermatophytosis
  • Diabetes Education
  • Diabetes Management
  • Diabetes Mellitus
  • Diarrhea
  • Diet And Exercise
  • Diet And Nutrition
  • Disability Evaluation
  • Disorder Of Balance
  • Distractible
  • Diverticulitis
  • Dizziness
  • Drug Reaction
  • Dry Nose
  • Dry Scalp
  • Dry Sinus
  • Dry Skin
  • Dyshidrosis
  • Dyspepsia
  • Dysphagia
  • Dysphoria
  • Dyspnea On Exertion
  • Dysuria
  • Ear Discharge
  • Ear Drainage
  • Ear Exam
  • Ear Infections
  • Ear Pressure
  • Earache
  • Eczema
  • Elbow Pain
  • Elbow Sprain
  • Emphysema
  • Employee Health
  • Enlarged Prostate
  • Environmental Allergies
  • Epicondylitis
  • Epigastric Pain
  • Epistaxis
  • Eructation
  • Erythema
  • Eye Infections
  • Eye Pain
  • Eye Strain
  • Face Swelling
  • Facial Nerve Palsy And Paresis
  • Facial Pain
  • Facial Tingling
  • Falls
  • Fasciculations
  • Fatigue
  • Fecal Incontinence
  • Fever
  • Fever With Chills
  • Finger Pain
  • First Degree Burns
  • Flu Shot Vaccination
  • Folliculitis
  • Food Poisoning
  • Foot Injury
  • Foot Pain
  • Frailty
  • Frequency Of Urination
  • Frequent Urinary Tract Infections
  • Gastric Ulcer
  • Gastroenteritis
  • Gastroesophageal Reflux Disease
  • General Well Visit
  • Genital Herpes, Female
  • Genital Herpes, Male
  • Genital Warts
  • Gluten Sensitivity
  • Gout
  • Grief
  • Groin Mass
  • Groin Pain
  • Hand Injury
  • Hand Pain
  • Head Congestion
  • Headache
  • Health Maintenance
  • Hearing Loss
  • Heart Disease
  • Heart Murmur
  • Heart Racing
  • Heat Intolerance
  • Heel Pain
  • Hematochezia
  • Hematuria
  • Hemoptysis
  • Hemorrhoids
  • Hepatitis A Vaccination
  • Hepatitis B Vaccination
  • Hernia
  • Herpes
  • Herpes Zoster
  • Herpetic Whitlow
  • Hip Pain
  • Hirsutism
  • Hoarseness
  • Human Papilloma Virus (Hpv) Vaccination
  • Hyperglycemia
  • Hypertension
  • Hypothyroidism
  • Impacted Cerumen
  • Impetigo
  • Infectious Mononucleosis
  • Influenza
  • Ingrown Hair
  • Ingrown Nail
  • Insect Allergy
  • Insulin Resistance
  • Intention Tremor
  • Interstitial Cystitis
  • Intertrigo
  • Iron Deficiency Anemia
  • Itchy Ear
  • Jaundice
  • Joint Stiffness
  • Joint Swelling
  • Joint Warmth
  • Keloid
  • Keratin Cyst
  • Keratitis
  • Keratosis Pilaris
  • Knee Click
  • Knee Injury
  • Knee Pain
  • Labyrinthitis
  • Lactose Intolerance
  • Laryngitis
  • Lateral Epicondylitis
  • Leg Numbness
  • Leg Pain
  • Leg Weakness
  • Lethargy
  • Lifestyle Modification
  • Lipomas
  • Lower Back Pain
  • Lump In Throat
  • Lyme Disease
  • Lymphadenopathy
  • Measles Vaccination
  • Medial Epicondylitis
  • Memory Disorders
  • Meningitis Vaccination
  • Mens Health
  • Migraine
  • Mmr Vaccine
  • Mood Symptoms
  • Motion Sickness
  • Mouth Bleeding
  • Mouth Pain
  • Mouth Ulcer
  • Muscle Cramps
  • Muscle Strain
  • Muscle Weakness
  • Musculoskeletal Pain
  • Myalgia
  • Nail Disease
  • Nasal Congestion
  • Nasal Obstruction
  • Nausea
  • Neck Muscle Injury
  • Neck Pain
  • Neck Sprain
  • Noisy Breathing
  • Norovirus
  • Nose Pain
  • Numbness
  • Nutrition And Health
  • Nutritional Counseling
  • Obesity
  • Odynophagia
  • Optic Migraines
  • Orthopnea
  • Orthostatic Hypotension
  • Osteoarthritis
  • Osteopenia
  • Osteoporosis
  • Otalgia
  • Otitis
  • Overweight
  • Palpitations
  • Panic Reaction
  • Paresthesia
  • Paronychia
  • Patellofemoral Syndrome
  • Penile Bleeding
  • Persistent Cough
  • Pharyngitis
  • Plantar Fasciitis
  • Pleurisy
  • Pleuritic Pain
  • Pneumonia
  • Pneumonia Vaccination
  • Poison Ivy
  • Poison Oak
  • Polypharmacy
  • Positional Vertigo
  • Post Nasal Drip
  • Prediabetes
  • Preventive Medicine
  • Problems With Smell And Taste
  • Prostate Examination
  • Prostate Specific Antigen Blood Test
  • Pruritus
  • Pulmonary Infections
  • Pyelonephritis
  • Rash
  • Rectal Bleeding
  • Rectal Pain
  • Restless Legs Syndrome
  • Rhinitis
  • Rosacea
  • Scab
  • Scabies
  • Scaly Skin
  • Sciatica
  • Scratchy Voice
  • Seasonal Allergies
  • Seborrheic Dermatitis
  • Sensitive Skin
  • Severe Asthma
  • Sexually Transmitted Disease (Std)
  • Shingles Vaccination
  • Shortness Of Breath (Sob)
  • Shoulder Pain
  • Shoulder Sprain
  • Shoulder Strain
  • Sinus Pain
  • Sinus Pressure
  • Sinusitis
  • Skin Abscess
  • Skin Cancer Screening
  • Skin Tag Removal
  • Sleep Disorders
  • Slowing Of Urinary Stream
  • Smoker Cough
  • Snoring
  • Sore Throat
  • Spider Bite
  • Splinter Removal
  • Sports Related Concussion Testing
  • Sprain
  • Sputum Production
  • Stomach Cramps
  • Stomach Pain
  • Straining On Urination
  • Strep Throat
  • Stress Incontinence
  • Stridor
  • Stye
  • Substance Addiction
  • Sunburn
  • Suture Removal
  • Swallowing Problem
  • Syncope
  • Tachycardia
  • Tension Headache
  • Testicular Pain
  • Throat Tightness
  • Thumb Dislocation
  • Thyroid Disorder
  • Tick Borne Infections
  • Tinea Corporis
  • Tinea Pedis
  • Tingling
  • Tinnitus
  • Tobacco Use Cessation
  • Tongue Pain
  • Tongue Swelling
  • Tracheobronchitis
  • Travel Medicine
  • Traveler's Diarrhea
  • Tremor
  • Tuberculosis (Tb) Test
  • Twitching
  • Type 1 Diabetes
  • Type 2 Diabetes
  • Unsteady Gait
  • Upper Back Pain
  • Upper Respiratory Infection
  • Urge Incontinence
  • Urinary Hesitation
  • Urinary Retention
  • Urinary Tract Infection
  • Urinary Urgency
  • Urticaria
  • Vaccinations
  • Varicella
  • Varicella Vaccination
  • Vasovagal Syncope
  • Vertigo
  • Viral Conjunctivitis
  • Visual Discomfort
  • Visual Disturbance
  • Vitamin D Deficiency
  • Vitamin Deficiency
  • Voice Problems
  • Vomiting
  • Warts
  • Weakness
  • Weight Loss
  • Weight Problem
  • Wellness
  • Wheezing
  • Wrist Pain
  • Wrist Sprain
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