Stephen S Chung, MD

Sleep Medicine Internal Medicine

Internal Medicine

(509) 897-8500Walla Walla, WA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Stephen S Chung, MD practices as part of a group sleep medicine internal medicine specialist practice in Walla Walla, WA. Trained at University of California, Davis School of Medicine (class of 1997), he has been practicing for over 29 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).

At a glance

  • Uses generic medications more than 81% of reporting doctors in Washington
  • Virtual visits available — no app or travel required
1 of 29 Internal Medicine providers in WASee all Internal Medicine in Walla Walla29+ years experienceNPI since 2006

Older · 2018dNPPES updated 2020-10-26 · verify on CMS

Contact & Location

Practice Location

19 Southpoint Ln, Walla Walla, WA 99362-4175

Fax: (509) 897-8501
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

14.56%

Washington avg: 5.7 · US avg: 5.1

Lower than most doctors nationally(+9.5 pts)

14.56% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

93.2%

Washington avg: 85.1 · US avg: 82.8

Higher than most doctors nationally(+10.4 pts)

Better than 81% of reporting doctors in Washington

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

603

Unique beneficiaries

High volume

Prescription Recipients

48

Patients prescribed

Prescriptions Written

206

Total claims

Total Medicare drug cost: $18k

Percentile rankings compared against 1,521 reporting peers in Washington.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

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 Hypertension, High Cholesterol, and Arthritis.

Hypertension
Higher than avg (+1%)71%

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

US avg: 70.2%

↑ More patients than average (+1%) — a focus area for this doctor

High Cholesterol
Lower than avg (-1%)69%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

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

Arthritis
Lower than avg (-3%)46%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-3%) — less common here

Mood Disorders
36%

Conditions affecting emotional state, including depression and bipolar disorder

Diabetes
34%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%
Depression
Higher than avg (+1%)33%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↑ More patients than average (+1%) — a focus area for this doctor

Ischemic Heart Disease
Lower than avg (-5%)27%

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

US avg: 31.7%

↓ Fewer patients than average (-5%) — less common here

Anxiety Disorders
Lower than avg (-10%)24%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-10%) — less common here

GeneralBehavioralNational avg

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

Industry Payment Transparency

$75 received from industry

3 transactions reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Stephen S Chung's NPI.

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1997

    University of California, Davis School of Medicine

  2. Board certified · Oct 25, 2020

    CMS-verified certification date

  3. 29 years in practice

    Experienced

Internal MedicineSleep Medicine in Walla WallaAllopathic & Osteopathic Physicians

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Taxonomy: 207RS0012X

Education & Training

University of California, Davis School of Medicine (Class of 1997)

Practice Footprint

Mailing address

820 N Chelan Ave, Wenatchee, WA 98801-2028

Differs from practice location

Virtual Sleep Medicine Care With Stephen S Chung

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

Schedule a virtual visit with Stephen S Chung for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Walla Walla required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Stephen S Chung

Dr. Chung is listed as active in the NPI registry with telehealth listed in Walla Walla, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (509) 897-8500.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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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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