Quick answers
- Does Oksana M. Tsichlis accept Medicare assignment?
- Yes. Medicare's clinician data says Oksana M. Tsichlis 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 Oksana M. Tsichlis see?
- In 2024, CMS data shows 222 Original Medicare patients and 737 services for Oksana M. Tsichlis. This counts Original Medicare only and measures volume, not quality.
- What is Oksana M. Tsichlis's NPI number?
- 1811445166. 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 Oksana M. Tsichlis, 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 | 222 |
|---|---|
| Services billed to Medicare | 737 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 85 |
Most frequent services
- Psychotherapy, 30 minutes (90832)648 services
- Psychiatric diagnostic evaluation (90791)89 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%
- Alzheimer's disease or dementia75%
- Depression72%
- High cholesterol68%
- Anxiety63%
- Arthritis48%
Practice locations
Addresses where Oksana M. Tsichlis is enrolled with Medicare (CMS data updated October 2, 2026).
- 18 Frances StWoburn, MA 01801 (718) 506‑1115
- 184 Swanton StWinchester, MA 01890 (718) 506‑1115
- 44 School St, Rm 325Boston, MA 02108 (718) 298‑4375
Group practices
Medicare enrollment lists Oksana M. Tsichlis as a member of these groups (CMS data updated October 2, 2026).
- Supportive Behavioral Care of Ma LLC99 clinicians in the group
- Supportive Behavioral Care of Mass LLC57 clinicians in the group
Specialties
- Clinical Social Workerprimary
Find other clinicians: Clinical Social Worker, Massachusetts →
Other clinical social workers in Woburn
Clinicians with the same Medicare primary specialty in Woburn, MA — not a recommendation.
Other clinicians in Supportive Behavioral Care of Ma LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811445166 |
| 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