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 patients | 1,587 |
|---|---|
| Services billed to Medicare | 34,732 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)17,640 services
- Injection, avacincaptad pegol, 0.1 mg (J2782)3,800 services
- Imaging of retina (92134)3,557 services
- Injection, aflibercept, 1 mg (J0178)3,512 services
- 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.
- Massachusetts Eye and Ear Infirmary -Boston, MA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 220075
Practice locations
Addresses where Adam T. Chin is enrolled with Medicare (CMS data updated October 2, 2026).
- 19 Village SqChelmsford, MA 01824 (978) 256‑5600
- 282 Route 130Sandwich, MA 02563 (508) 833‑8222
- 33 Bartlett St, Suite 101Lowell, MA 01852 (978) 256‑5600
- 50 Staniford St, Suite 600Boston, MA 02114 (617) 367‑4800
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
- Ophthalmologyprimary
Other ophthalmologists in Chelmsford
Clinicians with the same Medicare primary specialty in Chelmsford, MA — not a recommendation.
Other clinicians in Ophthalmic Consultants of Boston Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992192884 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians