Quick answers
- Does John S. Lignore accept Medicare assignment?
- Yes. Medicare's clinician data says John S. Lignore 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 John S. Lignore see?
- In 2024, CMS data shows 58 Original Medicare patients and 140 services for John S. Lignore. This counts Original Medicare only and measures volume, not quality.
- What is John S. Lignore's NPI number?
- 1851513253. 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 John S. Lignore, 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 | 58 |
|---|---|
| Services billed to Medicare | 140 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)35 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%
- Arthritis45%
- Ischemic heart disease29%
- Diabetes26%
- Osteoporosis24%
Practice locations
Addresses where John S. Lignore is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1244 Storrs Rd, RoadStorrs, CT 06268 (860) 724‑2579
- 1800 Post Rd EWestport, CT 06880 (203) 254‑1354
- 235 Boston Post RdOrange, CT 06477 (203) 795‑4784
- 2408 Whitney AveHamden, CT 06518 (203) 407‑3500
- 2416 Whitney AveHamden, CT 06518
Group practices
Medicare enrollment lists John S. Lignore as a member of these groups (CMS data updated October 2, 2026).
- Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group
- Connecticut Orthopaedic Specialists PC180 clinicians in the group
- St. Vincents Urgent Care LLC42 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Storrs
Clinicians with the same Medicare primary specialty in Storrs, CT — not a recommendation.
Other clinicians in Hartford Healthcare Medical Group Specialists PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Mercy College |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851513253 |
| 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
- 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