Quick answers
- Does Adam W. Green accept Medicare assignment?
- Yes. Medicare's clinician data says Adam W. Green 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 W. Green see?
- In 2024, CMS data shows 386 Original Medicare patients and 5,920 services for Adam W. Green. This counts Original Medicare only and measures volume, not quality.
- What is Adam W. Green's NPI number?
- 1679936462. 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 W. Green, 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 | 386 |
|---|---|
| Services billed to Medicare | 5,920 |
| Different services or procedures | 68 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)1,492 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)415 services
- Aspiration and/or injection of fluid from large joint (20610)243 services
- X-ray of hip, 2-3 views (73502)160 services
- X-ray of knee, 4 or more views (73564)132 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 pressure75%
- High cholesterol75%
- Arthritis75%
- Anxiety39%
- Depression33%
- Diabetes27%
Hospitals where Adam W. Green works
Medicare's Facility Affiliation Data lists Adam W. Green 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.
- Lawrence & Memorial HospitalNew London, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070007
- William W Backus HospitalNorwich, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070024
- Windham Community Memorial HospitalWillimantic, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070021
Practice locations
Addresses where Adam W. Green is enrolled with Medicare (CMS data updated October 2, 2026).
- 11 Industrial Park RdNiantic, CT 06357 (860) 889‑7345
- 37 S Broad StPawcatuck, CT 06379 (860) 495‑1919
- 37 S Broad St, Unit 12Pawcatuck, CT 06379 (860) 495‑1919
- 82 New Park AveNorth Franklin, CT 06254 (860) 889‑7345
Group practices
Medicare enrollment lists Adam W. Green as a member of these groups (CMS data updated October 2, 2026).
- Ptsma Inc224 clinicians in the group
- Norwich Orthopedic Group PC47 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Niantic
Clinicians with the same Medicare primary specialty in Niantic, CT — not a recommendation.
Other clinicians in Ptsma Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679936462 |
| 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