John C. Sun, MD

Gastroenterology Internal Medicine

John C. Sun is a Gastroenterology Internal Medicine specialist based in Tacoma, WA with over 26 years of clinical experience. Offers virtual telehealth visits.

(253) 272-8664Tacoma, WA
Telehealth Available
NPI Active per CMS — Q2 2026

With over 26 years in internal medicine, John C. Sun, MD is a long-established gastroenterologist in Tacoma. A Temple University School of Medicine graduate since 2000, he brings 26+ years of experience. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).

At a glance

  • Uses generic medications more than 27% of reporting doctors in Washington
  • Virtual visits available — no app or travel required
1 of 185 Internal Medicine providers in WASee all Internal Medicine in Tacoma26+ years experienceNPI since 2006

Older · 1951dNPPES updated 2021-01-18 · verify NPI on CMS · Verify license at Washington Medical Commission

Contact & Location

Practice Location

1112 6th Ave Ste 200, Tacoma, WA 98405-4048

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
Higher than avg (+2%)72%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+2%) — a focus area for this doctor

Hypertension
Lower than avg (-1%)69%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-1%) — less common here

Arthritis
Lower than avg (-4%)45%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-4%) — less common here

Diabetes
Lower than avg (-7%)27%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-7%) — less common here

Ischemic Heart Disease
Lower than avg (-6%)26%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-6%) — less common here

Chronic Kidney Disease
Lower than avg (-6%)24%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↓ Fewer patients than average (-6%) — less common here

Mood Disorders
23%

Conditions affecting emotional state, including depression and bipolar disorder

Anxiety Disorders
Lower than avg (-13%)21%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-13%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2000

    Temple University School of Medicine

  2. Board certified · Jan 17, 2021

    Self-reported via NPPES

  3. 26 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

Temple University School of Medicine (Class of 2000)

Virtual Internal Medicine Care With John C. Sun

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with John C. Sun for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Tacoma required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about John C. Sun

NPI records show Dr. Sun as active with telehealth listed in Tacoma, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (253) 272-8664.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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