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Ophthalmology

Adam T. Chin, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Adam T. Chin, MD is an ophthalmologist at 19 Village Sq, Chelmsford, MA 01824. Phone: (978) 256-5600. Accepts Medicare assignment. In 2024, Adam T. Chin had 1,587 Original Medicare patients and 34,732 services. NPI 1992192884. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 19 Village Sq, Chelmsford, MA 01824 · Directions (3 more locations)
  • Phone: (978) 256‑5600
  • Medicare: Accepts Medicare assignment
  • Hospital: Massachusetts Eye and Ear Infirmary -
  • Group practice: Ophthalmic Consultants of Boston Inc (+1 more)
  • Medical school: University Of Massachusetts Medical School · graduated 2015 (11 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Adam T. Chin, 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 Adam T. Chin accept Medicare assignment?
Yes. Medicare's clinician data says Adam T. Chin 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 Adam T. Chin see?
In 2024, CMS data shows 1,587 Original Medicare patients and 34,732 services for Adam T. Chin. This counts Original Medicare only and measures volume, not quality.
What is Adam T. Chin's NPI number?
1992192884. 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 Adam T. Chin, 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 patients1,587
Services billed to Medicare34,732
Different services or procedures49
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Injection, faricimab-svoa, 0.1 mg (J2777)17,640 services
  2. Injection, avacincaptad pegol, 0.1 mg (J2782)3,800 services
  3. Imaging of retina (92134)3,557 services
  4. Injection, aflibercept, 1 mg (J0178)3,512 services
  5. Injection of drug into eye (67028)2,091 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 pressure74%
  • High cholesterol74%
  • Arthritis42%
  • Diabetes30%
  • Chronic kidney disease30%
  • Ischemic heart disease26%

Hospitals where Adam T. Chin works

Medicare's Facility Affiliation Data lists Adam T. Chin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Adam T. Chin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Adam T. Chin as a member of these groups (CMS data updated October 2, 2026).

  • Ophthalmic Consultants of Boston Inc68 clinicians in the group
  • Massachusetts Eye Associates PC13 clinicians in the group

Specialties

Find other Ophthalmology doctors in Massachusetts →

Other ophthalmologists in Chelmsford

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

All ophthalmologists in Chelmsford →

Other clinicians in Ophthalmic Consultants of Boston Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992192884
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians