Clare Masson, O.D
Optometrist · Tecumseh, MI
Clare Masson, O.D is an optometrist with a practice address in Tecumseh, Michigan, and NPI 1831572858, issued on Jul 8, 2015. Check the license (Michigan 4901004889, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clare Masson
- Credential
- O.D
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 4901004889 MI
Self-reported in NPPES; status is on the state search - Practice location
- 138 W Chicago Blvd, Tecumseh, MI 49286
- Phone
- (517) 423-2148
- Enumerated
- Jul 8, 2015
- Record last updated
- Oct 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (517) 423-7120
- Medicare enrollment
- Enrolled (PECOS I20200923003099); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,963 in Michigan → Look up another NPI →
Also registered at 138 W Chicago Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Carr, ODOptometrist1083195374
- Thomas Cunningham, ODOptometrist1134174832
Verify Clare Masson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4901004889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
14 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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: $273.88
4 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 34,453 providers of this specialty with any payment received $769.99 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.
Bills Medicare through one group practice
- Eye 1St Holdings LLCSandy Springs, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clare Masson among 1,963 optometrist records in Michigan
Clare Masson, O.D is one of 1,963 optometrist records with a practice address in Michigan. 69% 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 71% of them.
- NPI issued2015 · 71% of these records are older, 28% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2015 · median 2009 among the 1,121 with a school on file
- Record last updated2015 · 68% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 optometrist records list a practice address in Tecumseh
They are 6 of the 210 NPPES records with a practice address in Tecumseh, and 1,963 optometrist records in Michigan.
All 1,963 in Michigan → Every provider in Tecumseh → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Eric Anklin, ODTecumseh, MI 492861861580169
- Nicholas Carr, ODTecumseh, MI 492861083195374
- Thomas Cunningham, ODTecumseh, MI 492861134174832
- Megan Fields, ODTecumseh, MI 492861912892100
- Dana Gillin, ODTecumseh, MI 492861013914225
- James Holdgreve, O.D.Reading, MI 492741144316597
- Stacy Davis, O.D.Ada, MI 493011891880548
- Von Hieneman, O.D.Ada, MI 493011760540363
Common questions
What is Clare Masson, O.D's NPI number?
Clare Masson, O.D's National Provider Identifier (NPI) is 1831572858, issued on Jul 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Clare Masson, O.D located?
The NPPES record lists a practice address at 138 W Chicago Blvd, Tecumseh, MI, 49286. Phone: (517) 423-2148. Providers update this record themselves, so call before visiting.
How can I verify Clare Masson, O.D's license?
NPPES lists Michigan license number 4901004889, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Clare Masson, O.D prescribe under Medicare Part D?
In 2024, Clare Masson, O.D had 14 Medicare Part D claims; the average among optometrist prescribers was 277. 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.