HILARY LINN GAISER BAKER OD
NPI 1225413198
Optometrist in Brighton, MA

Active since July 21, 2015PECOS EnrolledAccepts Medicare Assignment
495 WESTERN AVE, BRIGHTON, MA 02135(617) 783-0500(617) 562-1398 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 2, 2026, Apr 10, 2026 (2 updates tracked since 2026).

About Hilary Linn Gaiser Baker Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HILARY LINN GAISER BAKER OD (NPI 1225413198) is an individual optometrist in Brighton, Massachusetts, licensed in Massachusetts (5093) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of New England College Of Optometry (2015).

NPPES Registry Identity

NPI1225413198
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameHILARY LINN GAISER BAKERCredential: OD
Location Address495 WESTERN AVEBrighton, MA 02135-1007
Mailing Address495 Western AveBrighton, MA 02135-1007 · (617) 783-0500 · Fax (617) 562-1398
Fax(617) 562-1398
Sole ProprietorNo
Medical School CMSNew England College Of OptometryGraduated 2015
Enumeration DateJuly 21, 2015
Last NPPES UpdateJune 2, 20262 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
NPI 1225413198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License Licensed in MA · 5093
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
495 WESTERN AVE, Brighton, MA 02135

Secondary Practice Location 1

Location 1930 Commonwealth AveBoston, MA 02215-1274 · Phone (617) 262-2020

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Hilary Linn Gaiser Baker Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406162544
PECOS Enrollment IDI20150903001161
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02135 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
495 WESTERN AVE
BRIGHTON, MA 02135
Nurse Practitioner (Adult Health)
495 WESTERN AVE
BRIGHTON, MA 02135
Dentist (General Practice)
495 WESTERN AVE
BRIGHTON, MA 02135
Nurse Practitioner (Family)
495 WESTERN AVE
BRIGHTON, MA 02135
Clinic/Center (Federally Qualified Health Center (FQHC))
495 WESTERN AVE
BRIGHTON, MA 02135
Nurse Practitioner
495 WESTERN AVE
BRIGHTON, MA 02135
Dentist (General Practice)
495 WESTERN AVE
BRIGHTON, MA 02135
Family Medicine
495 WESTERN AVE
BRIGHTON, MA 02135

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hilary Baker's NPI number?

The NPI number for Hilary Baker is 1225413198. It was assigned to this individual provider in the NPPES registry on July 21, 2015.

Where is Hilary Baker located?

Hilary Baker practices at 495 Western Ave, Brighton, MA 02135. The listed phone number is (617) 783-0500.

What is Hilary Baker's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Hilary Baker enrolled in Medicare?

Yes. Hilary Baker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Hilary Baker accept?

Health plans from Anthem Blue Cross and Blue Shield list Hilary Baker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Hilary Baker was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.