Quick answers
- Does Demetrios Farmakopoulos accept Medicare assignment?
- Medicare's clinician data says Demetrios Farmakopoulos may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Demetrios Farmakopoulos see?
- In 2024, CMS data shows 149 Original Medicare patients and 4,512 services for Demetrios Farmakopoulos. This counts Original Medicare only and measures volume, not quality.
- What is Demetrios Farmakopoulos's NPI number?
- 1871556498. 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 Demetrios Farmakopoulos, 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 | 149 |
|---|---|
| Services billed to Medicare | 4,512 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)2,062 services
- Therapy procedure using manual technique, each 15 minutes (97140)1,507 services
- Therapy procedure using functional activities (97530)531 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)252 services
- Therapy procedure for walking training, each 15 minutes (97116)81 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%
- Arthritis68%
- High blood pressure65%
- Ischemic heart disease25%
- Diabetes23%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)22%
Practice locations
Addresses where Demetrios Farmakopoulos is enrolled with Medicare (CMS data updated October 2, 2026).
- 465 Columbus AveValhalla, NY 10595 (914) 741‑2850
Group practices
Medicare enrollment lists Demetrios Farmakopoulos as a member of this group (CMS data updated October 2, 2026).
- Proactive Physical Therapy and Sports Rehabilitation PLLC5 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, New York →
Other physical therapists in Valhalla
Clinicians with the same Medicare primary specialty in Valhalla, NY — not a recommendation.
Other clinicians in Proactive Physical Therapy and Sports Rehabilitation PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1871556498 |
| 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