Philbrook S. Mason, O.D.
Optometrist · Fall River, MA
Philbrook S. Mason, O.D. is an optometrist with a practice address in Fall River, Massachusetts, and NPI 1831186386, issued on Sep 30, 2005. Check the license (Massachusetts OD3357, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Philbrook S. Mason
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OD3357 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1565 N Main St Ste 406, Fall River, MA 02720
- Phone
- (508) 730-2020
- Enumerated
- Sep 30, 2005
- Record last updated
- Jul 7, 2025
- Fax
- (508) 677-2514
- Medicaid ID
- 0356441 MA
- Medicare enrollment
- Enrolled (PECOS I20040518001292); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1987
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Also registered at 1565 N Main St Ste 406
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monserrat Arias, ODOptometrist1831714625
- Emily Cardone, ODOptometrist1912484999
- Caroline Coutu, ODOptometrist1578328514
Verify Philbrook S. Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license OD3357Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average optometrist in 2024
142 Medicare Part D claims for 87 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Neomycin-Polymyxin-Dexameth45 claims
- Restasis19 claims
- Ofloxacin12 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: $257.80
8 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. 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
- Center For Sight, IncFall River, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philbrook S. Mason among 1,501 optometrist records in Massachusetts
Philbrook S. Mason, O.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 2008 among the 933 with a school on file
- Record last updated2025 · 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).
Optometrist providers in Massachusetts
There are 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in Fall River → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Monserrat Arias, ODFall River, MA 027201831714625
- Christina Benevides, O.D.Fall River, MA 027201548697675
- Claire Bergus, ODFall River, MA 027201790853141
- Emily Cardone, ODFall River, MA 027201912484999
- Caroline Coutu, ODFall River, MA 027201578328514
- Christina Herald, O.D.Fall River, MA 027201831504133
- Lisa Marques, O.D.Fall River, MA 027201336136811
- Joseph Medeiros, O.D.Fall River, MA 027201063483030
Common questions
What is Philbrook S. Mason, O.D.'s NPI number?
Philbrook S. Mason, O.D.'s National Provider Identifier (NPI) is 1831186386, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Philbrook S. Mason, O.D. located?
The NPPES record lists a practice address at 1565 N Main St Ste 406, Fall River, MA, 02720. Phone: (508) 730-2020. Providers update this record themselves, so call before visiting.
How can I verify Philbrook S. Mason, O.D.'s license?
NPPES lists Massachusetts license number OD3357, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Philbrook S. Mason, O.D. prescribe under Medicare Part D?
In 2024, Philbrook S. Mason, O.D. had 142 Medicare Part D claims for 87 beneficiaries; 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.