Cynthia Wun-Ping Ko
Gastroenterology Physician · Seattle, WA
Cynthia Wun-Ping Ko is a gastroenterology physician with a practice address in Seattle, Washington, and NPI 1063597870, issued on Oct 27, 2006. Check the license (Washington MD00031815, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Cynthia Wun-Ping Ko
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD00031815 WA
Self-reported in NPPES; status is on the state search - Practice location
- University OF Washington Medical Ctr, Seattle, WA 98195
- Phone
- (206) 598-4377
- Enumerated
- Oct 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 8241523 WA
- Medicare enrollment
- Enrolled (PECOS I20100420000872); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at University OF Washington Medical Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jan AgostiInfectious Disease Physician1912082744
- Suhail AhmadNephrology Physician1821173659
- Moira AitkenPulmonary Disease Physician1558446385
- Charles AlpersAnatomic Pathology & Clinical Pathology Physician1922188820
- William Altemeier, MDPulmonary Disease Physician1447335278
- Frederick AppelbaumMedical Oncology Physician1356426183
Verify Cynthia Wun-Ping Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00031815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average gastroenterology physician in 2024
388 Medicare Part D claims for 146 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf34 claims
- Omeprazole33 claims
- Famotidine32 claims
- Pantoprazole Sodium22 claims
- Peg-3350 And Electrolytes22 claims
- Gavilyte-G16 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.
The MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Wun-Ping Ko among 533 gastroenterology physician records in Washington
Cynthia Wun-Ping Ko is one of 533 gastroenterology physician records with a practice address in Washington. 76% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1991 · median 2003 among the 373 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Seattle → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Renuka Bhattacharya, MDSeattle, WA 981951932197902
- Teresa BrentnallSeattle, WA 981951104916063
- Elizabeth Broussard, M.D.Seattle, WA 981951669419495
- Rotonya Carr, MDSeattle, WA 981951154309540
- Mark Derleth, M.D.Seattle, WA 981951356457063
- Margaret Eugenio, MDSeattle, WA 981951477661916
- William Grady, M.D.Seattle, WA 981951407943822
- John Inadomi, MDSeattle, WA 981951992808497
Common questions
What is Cynthia Wun-Ping Ko's NPI number?
Cynthia Wun-Ping Ko's National Provider Identifier (NPI) is 1063597870, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Wun-Ping Ko located?
The NPPES record lists a practice address at University OF Washington Medical Ctr, Seattle, WA, 98195. Phone: (206) 598-4377. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Wun-Ping Ko's license?
NPPES lists Washington license number MD00031815, 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 Cynthia Wun-Ping Ko prescribe under Medicare Part D?
In 2024, Cynthia Wun-Ping Ko had 388 Medicare Part D claims for 146 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Cynthia Wun-Ping Ko's MIPS final score?
The 2023 MIPS final score is 83.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.