Quick answers
- Does Emmanuel C. Sygaco accept Medicare assignment?
- Yes. Medicare's clinician data says Emmanuel C. Sygaco 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 Emmanuel C. Sygaco see?
- In 2024, CMS data shows 678 Original Medicare patients and 3,017 services for Emmanuel C. Sygaco. This counts Original Medicare only and measures volume, not quality.
- What is Emmanuel C. Sygaco's NPI number?
- 1831251362. 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 Emmanuel C. Sygaco, 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 | 678 |
|---|---|
| Services billed to Medicare | 3,017 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)1,243 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)613 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)554 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)167 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)87 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%
- Arthritis57%
- Ischemic heart disease52%
- Diabetes47%
- Chronic kidney disease43%
Hospitals where Emmanuel C. Sygaco works
Medicare's Facility Affiliation Data lists Emmanuel C. Sygaco 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.
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330286
Practice locations
Addresses where Emmanuel C. Sygaco is enrolled with Medicare (CMS data updated October 2, 2026).
- 435 Montauk HwyWest Islip, NY 11795 (631) 422‑4545
Group practices
Medicare enrollment lists Emmanuel C. Sygaco as a member of this group (CMS data updated October 2, 2026).
- CHS Physician Partners PC743 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Other clinicians in CHS Physician Partners PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831251362 |
| 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