Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Optometry

Brian J. Mawhinney, OD

Sees patients in Littleton, NH · New Hampshire

Summary

Dr. Brian J. Mawhinney, OD is an optometrist at 17 Boynton Ln, Littleton, NH 03561. Phone: (603) 259-1400. Accepts Medicare assignment. In 2024, Brian J. Mawhinney had 436 Original Medicare patients and 1,255 services. NPI 1467448613. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 17 Boynton Ln, Littleton, NH 03561 · Directions
  • Phone: (603) 259‑1400
  • Medicare: Accepts Medicare assignment
  • Group practice: Hometown Eye Care PLLC
  • Optometry school: Pennsylvania College Of Optometry · graduated 2001 (25 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Brian J. Mawhinney, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Brian J. Mawhinney accept Medicare assignment?
Yes. Medicare's clinician data says Brian J. Mawhinney accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Brian J. Mawhinney see?
In 2024, CMS data shows 436 Original Medicare patients and 1,255 services for Brian J. Mawhinney. This counts Original Medicare only and measures volume, not quality.
What is Brian J. Mawhinney's NPI number?
1467448613. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Brian J. Mawhinney, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients436
Services billed to Medicare1,255
Different services or procedures14
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient complete exam of visual system (92014)273 services
  2. Photography of the retina (92250)243 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)122 services
  4. New patient complete exam of visual system (92004)91 services
  5. Imaging of optic nerve (92133)65 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure62%
  • High cholesterol54%
  • Arthritis45%
  • Diabetes22%
  • Ischemic heart disease17%
  • Anxiety15%

Practice locations

Addresses where Brian J. Mawhinney is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brian J. Mawhinney as a member of this group (CMS data updated October 2, 2026).

  • Hometown Eye Care PLLC2 clinicians in the group

Specialties

Find other clinicians: Optometry, New Hampshire →

Other optometrists in Littleton

Clinicians with the same Medicare primary specialty in Littleton, NH — not a recommendation.

All optometrists in Littleton →

Other clinicians in Hometown Eye Care PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialOD
Optometry schoolPennsylvania College Of Optometry
Graduation year2001 (25 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467448613
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians