William Y. Ko, DDS
Dentist · Greenville, NC
William Y. Ko, DDS is a dentist with a practice address in Greenville, North Carolina, and NPI 1831287507, issued on Oct 10, 2006. Check the license (North Carolina 7711, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Y. Ko
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 7711 NC
Self-reported in NPPES; status is on the state search - Practice location
- 2140 W Arlington Blvd, Greenville, NC 27834
- Phone
- (252) 355-5252
- Enumerated
- Oct 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (252) 355-7776
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,332 in North Carolina → Look up another NPI →
Also registered at 2140 W Arlington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brandon McCannPhysical Therapist1972044774
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Verify William Y. Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
Search for license 7711Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average dentist in 2024
79 Medicare Part D claims for 42 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin39 claims
- Ibuprofen19 claims
- Clindamycin Hcl11 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: $72.44
3 payments; by number, the most common kind was education; the largest payer was Colgate Oral Pharmaceuticals, Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
William Y. Ko among 2,332 dentist records in North Carolina
William Y. Ko, DDS is one of 2,332 dentist records with a practice address in North Carolina. 64% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 79% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- 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 122300000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
78 dentist records list a practice address in Greenville
They are 78 of the 5,742 NPPES records with a practice address in Greenville, and 2,332 dentist records in North Carolina.
All 2,332 in North Carolina → Every provider in Greenville → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jerry Barker, D.D.S.Greenville, NC 278341629019831
- Robert Cargill, DDSGreenville, NC 278341598798373
- Matthew Causey, D.D.S.Greenville, NC 278341922100932
- Donald Cook, DDS, MSGreenville, NC 278341518141456
- Peter Erickson, DDSGreenville, NC 278341982628244
- Andres Gamboa, DDSGreenville, NC 278341548377864
- Christin Gauquie, DDSGreenville, NC 278341134282379
- Sara Grossi, DDSGreenville, NC 278341073708418
Common questions
What is William Y. Ko, DDS's NPI number?
William Y. Ko, DDS's National Provider Identifier (NPI) is 1831287507, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Y. Ko, DDS located?
The NPPES record lists a practice address at 2140 W Arlington Blvd, Greenville, NC, 27834. Phone: (252) 355-5252. Providers update this record themselves, so call before visiting.
How can I verify William Y. Ko, DDS's license?
NPPES lists North Carolina license number 7711, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does William Y. Ko, DDS prescribe under Medicare Part D?
In 2024, William Y. Ko, DDS had 79 Medicare Part D claims for 42 beneficiaries; the average among dentist prescribers was 86. 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.