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Ophthalmology

Heidi Fischer

Sees patients in Wellesley, MA · Massachusetts

Summary

Heidi Fischer is an ophthalmologist at 40 Walnut St, Suite 101, Wellesley, MA 02481. Phone: (617) 796-3937. Accepts Medicare assignment. In 2024, Heidi Fischer had 135 Original Medicare patients and 232 services. NPI 1134167430. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 40 Walnut St, Suite 101, Wellesley, MA 02481 · Directions
  • Phone: (617) 796‑3937
  • Medicare: Accepts Medicare assignment
  • Group practice: Eye Care and Laser Surgery of Newton-Wellesley
  • Medical school: Harvard Medical School · graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Heidi Fischer, 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 Heidi Fischer accept Medicare assignment?
Yes. Medicare's clinician data says Heidi Fischer 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 Heidi Fischer see?
In 2024, CMS data shows 135 Original Medicare patients and 232 services for Heidi Fischer. This counts Original Medicare only and measures volume, not quality.
What is Heidi Fischer's NPI number?
1134167430. 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 Heidi Fischer, 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 patients135
Services billed to Medicare232
Different services or procedures24
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Established patient complete exam of visual system (92014)61 services
  2. Established patient problem focused exam of visual system (92012)42 services
  3. Closure of tear duct opening using plug (68761)21 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 services
  5. Imaging of retina (92134)15 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 cholesterol75%
  • High blood pressure66%
  • Arthritis56%
  • Osteoporosis27%
  • Anxiety26%
  • Chronic kidney disease24%

Practice locations

Addresses where Heidi Fischer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Heidi Fischer as a member of this group (CMS data updated October 2, 2026).

  • Eye Care and Laser Surgery of Newton-Wellesley4 clinicians in the group

Specialties

Find other Ophthalmology doctors in Massachusetts →

Other ophthalmologists in Wellesley

Clinicians with the same Medicare primary specialty in Wellesley, MA — not a recommendation.

All ophthalmologists in Wellesley →

Other clinicians in Eye Care and Laser Surgery of Newton-Wellesley

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

Clinician information

Medical schoolHarvard Medical School
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134167430
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