Registry data as of Aug 27, 2026

Stephen Chung, MD

Sleep Medicine (Internal Medicine) Physician · Walla Walla, WA

Stephen 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1578673703
Name
Stephen 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 19 Southpoint LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexandria Booth, M.D.Dermatology Physician1588872352
  2. Anna Herby, RDNRegistered Dietitian1366805434
  3. Janet MooreRegistered Nurse1144618281
  4. Laurel Stevens, M.D.Dermatology Physician1912225160
  5. Rochelle Trussell, PA-CPhysician Assistant1831270065

Verify Stephen Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60151697
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

80% 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 1,288 among the 717 providers of this specialty who prescribed in Part D. 44 claims were for opioids.

  1. Stephen Chung260
  2. Specialty average1,288

Most prescribed

  1. Gabapentin42 claims
  2. Pramipexole Dihydrochloride36 claims
  3. Methadone Hcl33 claims
  4. Ropinirole Hcl26 claims
  5. Armodafinil17 claims
  6. 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, mostly food and beverage; the largest payer was Inspire Medical Systems, Inc.. The 567 providers of this specialty with any payment received $4,175.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Chung$75.14
  2. Specialty average$4,175.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. St Anthony HospitalPendleton, OR · Critical Access Hospitals3 of 5 stars
  2. Central Washington Health Services AssociationWenatchee, WA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Sleep Medicine (Internal Medicine) Physician providers in Washington

There are 38 sleep medicine (internal medicine) physician records in Washington.

Other sleep medicine (internal medicine) physician records in Washington

  1. Mudassar Ahmad, MB,BSTacoma, WA1093155483
  2. Abdullah Arjomand, M.D.Tacoma, WA1346773280
  3. Martha Billings, M.D.Seattle, WA1700811619
  4. Yoon Hee Chang, MDKirkland, WA1023294311
  5. Jerry ChenSeattle, WA1083201636
  6. Wynne Chen, MDSeattle, WA1518974351
  7. Jana Cooke, M.D.Arlington, WA1093766404
  8. David Corley, MDBremerton, WA1780644096
  9. David Culpepper, MDSeattle, WA1386021079
  10. David Daniel, MDWenatchee, WA1417982216

Common questions

What is Stephen Chung, MD's NPI number?

Stephen 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 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 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 Chung, MD prescribe under Medicare Part D?

In 2024, Stephen Chung, MD had 260 Medicare Part D claims for 47 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 1,288. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.