Stephen S. Chung, MD
Sleep Medicine (Internal Medicine) Physician · Walla Walla, WA
Stephen S. Chung, MD is a sleep medicine (internal medicine) physician with a practice address in Walla Walla, Washington, and NPI 1578673703, issued on Aug 30, 2006. Check the license (Washington MD60151697, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stephen S. Chung
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- MD60151697 WA
Self-reported in NPPES; status is on the state search - Practice location
- 19 Southpoint LN, Walla Walla, WA 99362
- Phone
- (509) 897-8500
- Enumerated
- Aug 30, 2006
- Record last updated
- Oct 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (509) 897-8501
- Medicaid ID
- 2008794 WA
- Medicare enrollment
- Enrolled (PECOS I20101008000925); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 52 in Washington → Look up another NPI →
Also registered at 19 Southpoint LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandria Booth, M.D.Dermatology Physician1588872352
- Anna Herby, RDNRegistered Dietitian1366805434
- Janet MooreRegistered Nurse1144618281
- Laurel Stevens, M.D.Dermatology Physician1912225160
- Rochelle Trussell, PA-CPhysician Assistant1831270065
Verify Stephen S. Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60151697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
260 Medicare Part D claims for 47 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Gabapentin42 claims
- Pramipexole Dihydrochloride36 claims
- Methadone Hcl33 claims
- Ropinirole Hcl26 claims
- Armodafinil17 claims
- Clonazepam17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $75.14
3 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- St Anthony HospitalPendleton, OR · Critical Access Hospitals3 of 5 stars
- Central Washington Health Services AssociationWenatchee, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Stephen S. Chung among 52 sleep medicine (internal medicine) physician records in Washington
Stephen S. Chung, MD is one of 52 sleep medicine (internal medicine) physician records with a practice address in Washington. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 46% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1997 · median 2001 among the 38 with a school on file
- Record last updated2020 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Washington
There are 52 sleep medicine (internal medicine) physician records in Washington.
All 52 in Washington → Every provider in Walla Walla → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Christopher GlendinningWalla Walla, WA 993621235472325
- Richard Simon, MDWalla Walla, WA 993621942214333
- Cheta Nand, M.D.Richland, WA 993521528163680
- Sophie Gomez, M.D.Kennewick, WA 993381497725998
- Todd Green, MDSpokane, WA 992081558300269
- Donald Howard, M.D.Spokane, WA 992041376590778
- Usha NandhiniPullman, WA 991631669997045
- James Osmanski, DONewman Lake, WA 990251235275660
Common questions
What is Stephen S. Chung, MD's NPI number?
Stephen S. Chung, MD's National Provider Identifier (NPI) is 1578673703, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen S. Chung, MD located?
The NPPES record lists a practice address at 19 Southpoint LN, Walla Walla, WA, 99362. Phone: (509) 897-8500. Providers update this record themselves, so call before visiting.
How can I verify Stephen S. Chung, MD's license?
NPPES lists Washington license number MD60151697, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen S. Chung, MD prescribe under Medicare Part D?
In 2024, Stephen S. Chung, MD had 260 Medicare Part D claims for 47 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.