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Nurse Practitioner

Cynthia S. Cichanowicz, NP

Works at hospitals in Stony Brook, NY · New York

Summary

Cynthia S. Cichanowicz, NP is a nurse practitioner at 896 Old Country Rd, Riverhead, NY 11901. Phone: (631) 846-5200. Accepts Medicare assignment. In 2024, Cynthia S. Cichanowicz had 114 Original Medicare patients and 273 services. NPI 1194892224. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 896 Old Country Rd, Riverhead, NY 11901 · Directions
  • Phone: (631) 846‑5200
  • Medicare: Accepts Medicare assignment
  • Hospital: Suny/Stony Brook University Hospital
  • Group practice: North Shore Health System Medical Faculty Group Practice Inc
  • School: graduated 2000
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Cynthia S. Cichanowicz, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Cynthia S. Cichanowicz accept Medicare assignment?
Yes. Medicare's clinician data says Cynthia S. Cichanowicz 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 Cynthia S. Cichanowicz see?
In 2024, CMS data shows 114 Original Medicare patients and 273 services for Cynthia S. Cichanowicz. This counts Original Medicare only and measures volume, not quality.
What is Cynthia S. Cichanowicz's NPI number?
1194892224. 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 Cynthia S. Cichanowicz, 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 patients114
Services billed to Medicare273
Different services or procedures11
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)113 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)72 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)37 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)14 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%
  • Arthritis63%
  • Ischemic heart disease50%
  • Diabetes45%
  • Atrial fibrillation35%

Hospitals where Cynthia S. Cichanowicz works

Medicare's Facility Affiliation Data lists Cynthia S. Cichanowicz 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.

Practice locations

Addresses where Cynthia S. Cichanowicz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cynthia S. Cichanowicz as a member of this group (CMS data updated October 2, 2026).

  • North Shore Health System Medical Faculty Group Practice Inc164 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Riverhead

Clinicians with the same Medicare primary specialty in Riverhead, NY — not a recommendation.

All nurse practitioners in Riverhead →

Other clinicians in North Shore Health System Medical Faculty Group Practice Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194892224
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians