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

Ophthalmology

Geoffrey W. Emerson, MD

Sees patients in South Weymouth, MA · Massachusetts

Summary

Dr. Geoffrey W. Emerson, MD is an ophthalmologist at 2 W St, South Weymouth, MA 02190. Phone: (617) 337-2400. Accepts Medicare assignment. In 2024, Geoffrey W. Emerson had 125 Original Medicare patients and 655 services. NPI 1205812310. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 2 W St, South Weymouth, MA 02190 · Directions (1 more location)
  • Phone: (617) 337‑2400
  • Medicare: Accepts Medicare assignment
  • Medical school: Boston University School Of Medicine · graduated 1971 (55 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Geoffrey W. Emerson, 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 Geoffrey W. Emerson accept Medicare assignment?
Yes. Medicare's clinician data says Geoffrey W. Emerson 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 Geoffrey W. Emerson see?
In 2024, CMS data shows 125 Original Medicare patients and 655 services for Geoffrey W. Emerson. This counts Original Medicare only and measures volume, not quality.
What is Geoffrey W. Emerson's NPI number?
1205812310. 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 Geoffrey W. Emerson, 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 patients125
Services billed to Medicare655
Different services or procedures10
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Established patient complete exam of visual system (92014)94 services
  2. Established patient problem focused exam of visual system (92012)60 services
  3. Exam of visual field with extended testing (92083)23 services
  4. Exam of the internal drainage system of eye (92020)21 services
  5. New patient complete exam of visual system (92004)16 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 pressure74%
  • Arthritis34%
  • Chronic kidney disease31%
  • Diabetes29%
  • Osteoporosis23%

Practice locations

Addresses where Geoffrey W. Emerson is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2 W StSouth Weymouth, MA 02190 (617) 337‑2400
  • 2 W St, Suite DSouth Weymouth, MA 02190

Specialties

Find other Ophthalmology doctors in Massachusetts →

Other ophthalmologists in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All ophthalmologists in Massachusetts →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year1971 (55 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205812310
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