NPPES file of Aug 9, 2026

Stephen C. Ku, DO

Anesthesiology Physician · Tacoma, WA

Stephen C. Ku, DO is an anesthesiology physician with a practice address in Tacoma, Washington, and NPI 1841687647, issued on Apr 20, 2015. Check the license (Washington OP60759505, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841687647
Name
Stephen C. Ku
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
OP60759505 WA
Self-reported in NPPES; status is on the state search
Practice location
314 Martin Luther King JR Way Ste 300, Tacoma, WA 98405
Phone
(253) 274-1668
Enumerated
Apr 20, 2015
Record last updated
Feb 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190823002595); accepts Medicare assignment
Medical or professional school
College Of Osteo Med Of The Pacific At Pomona, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 314 Martin Luther King JR Way Ste 300

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

  1. Elbert Chang, D.O.Anesthesiology Physician1780900142
  2. Wendy Wang, MDAnesthesiology Physician1487072138

Verify Stephen C. Ku in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP60759505
    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

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Industry payments in 2024: $16.43

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Ku$16.43
  2. Specialty average$669.59

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

Bills Medicare through one group practice

  1. Tacoma Anesthesia Associates Inc PSTacoma, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephen C. Ku among 1,701 anesthesiology physician records in Washington

Stephen C. Ku, DO is one of 1,701 anesthesiology physician records with a practice address in Washington. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 78% of them.

  • NPI issued2015 · 78% of these records are older, 20% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2015 · median 2007 among the 1,103 with a school on file
  • Record last updated2020 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

150 anesthesiology physician records list a practice address in Tacoma

They are 150 of the 13,715 NPPES records with a practice address in Tacoma, and 1,701 anesthesiology physician records in Washington.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Ali Afrassiabi, MDTacoma, WA 984051760486286
  2. Stephen Bolt, M.D.Tacoma, WA 984051710967237
  3. Andrew Foster, MDTacoma, WA 984051710957246
  4. William Hughes, MDTacoma, WA 984051699779082
  5. Will Kellogg, MDTacoma, WA 984051578509444
  6. Steve Lee, M.D.Tacoma, WA 984051922036318
  7. Glaucia Moreira, M.D.Tacoma, WA 984051003843962
  8. Timothy Phillips, MDTacoma, WA 984051235185091

Common questions

What is Stephen C. Ku, DO's NPI number?

Stephen C. Ku, DO's National Provider Identifier (NPI) is 1841687647, issued on Apr 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Stephen C. Ku, DO located?

The NPPES record lists a practice address at 314 Martin Luther King JR Way Ste 300, Tacoma, WA, 98405. Phone: (253) 274-1668. Providers update this record themselves, so call before visiting.

How can I verify Stephen C. Ku, DO's license?

NPPES lists Washington license number OP60759505, 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.

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.