Search

See All Internal Medicine Doctors in Downey, CA
Dr. William Sim, MD
Internal Medicine* Age 63
Dr. William Sim, MD

Offers telehealth

Dr. William Sim, MD is an Internist in Downey, CA.
Dr. William Sim, MD

Dr. William Sim, MD

Internal Medicine* Age 63
Downey, CA
Accepting new patients
36 years of experience

Offers telehealth

Dr. William Sim, MD is an Internist in Downey, CA.
Be the first to review this provider!
Have you seen Dr. William Sim, MD?

About Dr. William Sim, MD

Dr. Sim graduated from Stanford University School of Medicine. Dr. William Sim, MD is an Internist in Downey, CA and has 36 years experience. Dr. Sim currently practices at Frischer Medical Group Inc. and is affiliated with PIH Health Downey Hospital and PIH Health Whittier Hospital. Dr. Sim has experience treating conditions like All Headaches (incl. Migraine), Shortness of Breath and Joint Pain among other conditions at varying frequencies. Dr. Sim's office accepts new patients and telehealth appointments. Dr. Sim also speaks Korean. Dr. Sim is board certified in Internal Medicine and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Compare with other Internists

Compare Dr. Sim with our nearby Internists at Optum California Affiliates
These providers are on the medical staff of Optum California Affiliates
These providers are on the medical staff of Optum California Affiliates.
Advertisement

Experience Check

Enter a condition or procedure
All Headaches (incl. Migraine)
Shortness of Breath
Joint Pain
All Headaches (incl. Migraine)
Shortness of Breath
Joint Pain
Limb Pain
Arterial Blood Gas Test (ABG)
Acute Bronchitis
Urinary Tract Infection (UTI)
Acute Lower Respiratory Infection
Foot Sprain
Immunization Administration
Electrocardiogram (EKG)
Intestinal Diverticulitis
Chronic Care Management
Anal or Rectal Pain
Constipation
Acute Upper Respiratory Infection
Dehydration
Urinary Incontinence
Foot Infection
Nail Infection
Abdominal Pain
Acidosis
  • View other providers who treat Acidosis
Acute Deep Vein Thrombosis (DVT)
Acute Laryngitis
Acute Pharyngitis
Acute Sinusitis
Acute Venous Embolism Thrombosis
Alkalosis
All Types of Food Poisoning
Allergic Conjunctivitis
Anemia
  • View other providers who treat Anemia
Ankle Sprains and Strains
Anxiety
  • View other providers who treat Anxiety
Arthritis
Arthritis of the Elbow
Asthma
  • View other providers who treat Asthma
Asymptomatic Post-Menopausal Status
Ataxia
  • View other providers who treat Ataxia
Atherosclerosis
Back Pain
Blood in Urine (Hematuria)
Bronchiectasis
Bronchitis
Bruise of Face, Scalp, or Neck
Bursitis
  • View other providers who treat Bursitis
Cachexia
  • View other providers who treat Cachexia
Calcium Metabolism Disorders
Carpal Tunnel Syndrome
Celiac Disease
Cellulitis
Chest Pain
Chronic Deep Vein Thrombosis (DVT)
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
Coccygeal Pain
COPD (Chronic Obstructive Pulmonary Disease)
Cough
  • View other providers who treat Cough
Deep Vein Thrombosis (DVT)
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diarrhea
  • View other providers who treat Diarrhea
Difficulty With Walking
Dizziness
Dyslipidemia
Dysphagia
Earwax Buildup
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophagitis
Essential Tremor
Fever
  • View other providers who treat Fever
Fibromyalgia
Food Poisoning
Gait Abnormality
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gout
  • View other providers who treat Gout
Hammer Toe
Headache
  • View other providers who treat Headache
Heart Disease
Heart Palpitations
Hernia
  • View other providers who treat Hernia
Herpes Zoster Without Complication
Hip Pointer
Hydrocele
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypogonadism
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Indigestion
Ingrown Nail
Insomnia
  • View other providers who treat Insomnia
Intestinal Diverticulosis
Irritable Bowel Syndrome
Itchy Skin
Knee Sprain
Laryngitis
Leg and Foot Ulcers
Leukocytopenia
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Long COVID Disorder
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Mastodynia
Migraine
  • View other providers who treat Migraine
Mineral Metabolism Disorders
Muscle Cramping
Muscle Spasm
Muscle Weakness
Nausea
  • View other providers who treat Nausea
Neck Strain (incl. Whiplash Injury)
Noninfectious Gastroenteritis and Colitis
Obesity
  • View other providers who treat Obesity
Onychomycosis
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Overactive Bladder
Overweight
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Pericardial Disease
Pharyngitis
Phlebitis and Thrombophlebitis
Pinkeye (Conjunctivitis)
Pneumonia
Polyneuropathy
Postnasal Drip
Radiculopathy
Rash
  • View other providers who treat Rash
Rhabdomyolysis
Ringworm
  • View other providers who treat Ringworm
Sarcoidosis
Sciatica
  • View other providers who treat Sciatica
Scrotal Pain
Sebaceous Cysts
Seborrheic Dermatitis
Sexually Transmitted Diseases (STDs)
Shingles
  • View other providers who treat Shingles
Shoulder Tendinitis and Tenosynovitis
Sinus Bradycardia
Sinusitis
Sleep Apnea
Sprains and Strains (incl. Muscle Tear)
Testicular Dysfunction
Thyroid Goiter
Tinnitus
  • View other providers who treat Tinnitus
Tobacco Use Disorder
Transient Ischemic Attack (TIA)
Trigeminal Neuralgia
Urinary Stones
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
  • View other providers who treat Vertigo
Viral Hepatitis
Vitamin B Deficiency
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
  • View other providers who treat Wheezing
Abscess or Fluid Incision and Drainage
Advance Directive End of Life Planning
Wellness Examination

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • HealthyBlue 2.0
    HealthyBlue Advantage
  • Curative PPO Plus
    Curative PPO
    Curative EPO
  • Local Access Plus HMO
    Access Plus Savenet
  • Choice Care PPO
  • Open Access Plus
    LocalPlus
  • First Health (Coventry Health Care) PPO
  • Blue Card PPO
  • Aetna
    Basic HMO
  • Priority Select HMO
  • Balanced (Prudent Buyer)-CA PPO
    Gold Priority Select-CA HMO

Where Dr. William Sim, MD Sees Patients

  1. 1 Frischer Medical Group Inc.
    11480 Brookshire Ave Ste 200, Downey, CA 90241

What Patients Say

Be the first to leave a review

How likely are you to recommend Dr. Sim?

(Select your rating)
See more reviews on Healthgrades
Claim Your Profile
Are you Dr. William Sim, MD?
Respond to reviews, add information, and reach more patients. Claiming is free and only takes a minute.

Claim my profile
Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Sim?
Call now to make an appointment
(562) 806-0874

Meet Dr. William Sim, MD

Languages Spoken
Korean
Languages Spoken
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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Sim communicate via email?
No users said yes.
Yes
(0)
No
(3)
Does Dr. Sim offer telehealth services or virtual visits?
2 users said yes.
Yes
(2)
No
(2)
Does Dr. Sim offer an online patient portal?
1 user said yes.
Yes
(1)
No
(2)
Does Dr. Sim have free onsite parking?
2 users said yes.
Yes
(2)
No
(2)
Does Dr. Sim offer weekend visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Sim offer evening visits?
1 user said yes.
Yes
(1)
No
(3)
Does Dr. Sim specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Sim specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Sim specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Sim specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Sim accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Sim's Practice

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. William Sim, MD. To arrange an appointment, call the number on Dr. Sim's profile.

Dr. Sim frequently treats the following conditions: All Headaches (incl. Migraine), Shortness of Breath and Joint Pain. See more on Sharecare.

Dr. William Sim, MD is affiliated with PIH Health Downey Hospital and PIH Health Whittier Hospital.

Yes, Dr. William Sim, MD holds board certification in Internal Medicine.

Training & Medical Education
Medical Education
  • Stanford University School of Medicine
    1990
Medical Education
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.
Internship
  • Ronald Reagan UCLA Medical Center
    1991
Internship

Hospitals Where Dr. William Sim, MD Practices

  • PIH Health Downey Hospital

    11500 Brookshire Ave, Downey, CA

  • PIH Health Whittier Hospital

    12401 Washington Blvd, Whittier, CA

Explore More Providers