Hilary Linn Gaiser Baker, OD
Optometrist · Brighton, MA
Hilary Linn Gaiser Baker, OD is an optometrist with a practice address in Brighton, Massachusetts, and NPI 1225413198, issued on Jul 21, 2015. Check the license (Massachusetts 5093, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hilary Linn Gaiser Baker
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 5093 MA
Self-reported in NPPES; status is on the state search - Practice location
- 495 Western Ave, Brighton, MA 02135
- Phone
- (617) 783-0500
- Enumerated
- Jul 21, 2015
- Record last updated
- Jun 2, 2026
- Fax
- (617) 562-1398
- Medicare enrollment
- Enrolled (PECOS I20150903001161); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2015
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Also registered at 495 Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nneka Adichie, DOFamily Medicine Physician1306472527
- Paul Allen, MDInternal Medicine Physician1174660732
- Dara Arons, M.D.Family Medicine Physician1548434566
- Michael Arroyo, LDOOptician1558927624
- Ana Monica Batkis-Odonnell, LMHCMental Health Counselor1447672761
- Ashley Berry, PA-CPhysician Assistant1164137113
Verify Hilary Linn Gaiser Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 5093Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average optometrist in 2024
16 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.
Bills Medicare through one group practice
- Charles River Community Health, IncBrighton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hilary Linn Gaiser Baker among 1,501 optometrist records in Massachusetts
Hilary Linn Gaiser Baker, 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 2015, is newer than 70% of them.
- NPI issued2015 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2008 among the 933 with a school on file
- Record last updated2026 · 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 Brighton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kristen Banek, O.D.Brighton, MA 021351790948420
- Henry Cohen, ODBrighton, MA 021351558468132
- Diana Green, O.D.Brighton, MA 021351982992145
- Jonathon Jimmerson, O.D.Brighton, MA 021351972853554
- Kristen Lamoreau, O.D., M.A.Brighton, MA 021351770678732
- Janice Paknejad, O.D.Brighton, MA 021351164534780
- David Soll, O.D.Brighton, MA 021351235213166
- Azadeh Suppappola, O.D.Brighton, MA 021351538500202
Common questions
What is Hilary Linn Gaiser Baker, OD's NPI number?
Hilary Linn Gaiser Baker, OD's National Provider Identifier (NPI) is 1225413198, issued on Jul 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Hilary Linn Gaiser Baker, OD located?
The NPPES record lists a practice address at 495 Western Ave, Brighton, MA, 02135. Phone: (617) 783-0500. Providers update this record themselves, so call before visiting.
How can I verify Hilary Linn Gaiser Baker, OD's license?
NPPES lists Massachusetts license number 5093, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Hilary Linn Gaiser Baker, OD prescribe under Medicare Part D?
In 2024, Hilary Linn Gaiser Baker, OD had 16 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.