William Cheon, OD
Optometrist · Marlborough, MA
William Cheon, OD is an optometrist with a practice address in Marlborough, Massachusetts, and NPI 1811510795, issued on May 26, 2020. Check the license (Massachusetts 5436, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Cheon
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 5436 MA
Self-reported in NPPES; status is on the state search - Practice location
- 84 Matheson Dr, Marlborough, MA 01752
- Phone
- (775) 275-4127
- Enumerated
- May 26, 2020
- Record last updated
- Oct 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201217002792); accepts Medicare assignment
- Medical or professional school
- State University Of New York - State College Optometry, 2020
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Verify William Cheon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 5436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Jeffrey L Morer OD PCFramingham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Cheon among 1,501 optometrist records in Massachusetts
William Cheon, OD is one of 1,501 optometrist records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 82% of them.
- NPI issued2020 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2008 among the 933 with a school on file
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 optometrist records list a practice address in Marlborough
They are 9 of the 3,071 NPPES records with a practice address in Marlborough, and 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in Marlborough → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Ara Barsamian, O.D.Marlborough, MA 017521659479343
- Clark Bowden, ODMarlborough, MA 017521093903387
- Boris Drizik, O.D.Marlborough, MA 017521841654803
- Michelle Gambini, O.D.Marlborough, MA 017521841507050
- Robin Jewell, ODMarlborough, MA 017521154393023
- Nicholas Kofos, ODMarlborough, MA 017521447244637
- Christopher Oldham, O.D.Marlborough, MA 017521841392412
- Debra Sleight, O.D.Marlboro, MA 017521043219207
Common questions
What is William Cheon, OD's NPI number?
William Cheon, OD's National Provider Identifier (NPI) is 1811510795, issued on May 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Cheon, OD located?
The NPPES record lists a practice address at 84 Matheson Dr, Marlborough, MA, 01752. Phone: (775) 275-4127. Providers update this record themselves, so call before visiting.
How can I verify William Cheon, OD's license?
NPPES lists Massachusetts license number 5436, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
What is William Cheon, OD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.