Quick answers
- Does Janice M. Martin accept Medicare assignment?
- Medicare's clinician data says Janice M. Martin may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Janice M. Martin see?
- In 2024, CMS data shows 18 Original Medicare patients and 445 services for Janice M. Martin. This counts Original Medicare only and measures volume, not quality.
- What is Janice M. Martin's NPI number?
- 1336205350. 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 Janice M. Martin, 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 | 18 |
|---|---|
| Services billed to Medicare | 445 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Psychotherapy, 45 minutes (90834)304 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%
- Anxiety75%
- Arthritis61%
Practice locations
Addresses where Janice M. Martin is enrolled with Medicare (CMS data updated October 2, 2026).
- 710 Main StPort Jefferson, NY 11777 (631) 680‑7222
Group practices
Medicare enrollment lists Janice M. Martin as a member of this group (CMS data updated October 2, 2026).
- Janice Martin Licensed Clinical Social Worker PC9 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Port Jefferson
Clinicians with the same Medicare primary specialty in Port Jefferson, NY — not a recommendation.
Other clinicians in Janice Martin Licensed Clinical Social Worker PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| School | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336205350 |
| 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