Sinan Kadayifci, M.D.
Cardiovascular Disease · Deer Park, NY
At a glance
1644 Deer Park Ave, Deer Park, NY 11729-5211
NPPES record updated Sep 4, 2019. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1644 Deer Park Ave Suite Lower Level NorthDeer Park, NY 11729-5211
Additional reported practice locations
350 South BroadwayHicksville, NY 118015006
Phone: 5169380100
Fax: 5169380120 300 Bayshore Road
North Babylon, NY 117032823
Phone: 6315862700
Fax: 6314918613 640 Hawkins Ave
Lake Ronkonkoma, NY 117792324
Phone: 6317370100
Fax: 6314711117
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 1985
- CMS specialties
- Cardiac Electrophysiology · Cardiovascular Disease (Cardiology)
Practice groups
Reported hospital affiliations
- Long Island Jewish Medical Center New Hyde Park, NY
- North Shore University Hospital Manhasset, NY
- Ns/Lij Hs Huntington Hospital Huntington, NY
- Ns/Lij Hs Southside Hospital Bay Shore, NY
- Peconic Bay Medical Center Riverhead, NY
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $329.82 |
Reporting companies
| Company | Amount |
|---|---|
| MEDTRONIC, INC. | $329.82 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Cardiovascular Disease
- Taxonomy code
- 207RC0000X
- Enumeration date
- Jan 12, 2006
- Record updated
- Sep 4, 2019
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RC0000X · Primary
License reported: 241033 NY
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1644 Deer Park AveSuite Lower Level North
Deer Park, NY 11729-5211
- Phone
- (631) 392-1290
- Fax
- (631) 392-1291
Mailing address
1644 DEER PARK AVESUITE LOWER LEVEL NORTH
DEER PARK, NY 117295211
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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