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Neurology

Elizabeth M. Cruz, MD

Works at hospitals in Stony Brook, NY · New York

Summary

Dr. Elizabeth M. Cruz, MD is a neurologist at 100 Nicolls Rd, Stony Brook, NY 11794. Phone: (631) 444-2599. Accepts Medicare assignment. In 2024, Elizabeth M. Cruz had 112 Original Medicare patients and 145 services. NPI 1437419017. 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: Neurologist (Medicare lists Neurology)
  • Address: 100 Nicolls Rd, Stony Brook, NY 11794 · Directions (1 more location)
  • Phone: (631) 444‑2599
  • Medicare: Accepts Medicare assignment
  • Hospital: Suny/Stony Brook University Hospital
  • Group practice: Neurology Associates of Stony Brook, University Faculty Practice Corpo
  • Medical school: graduated 2006 (20 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elizabeth M. Cruz, 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 Elizabeth M. Cruz accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth M. Cruz 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 Elizabeth M. Cruz see?
In 2024, CMS data shows 112 Original Medicare patients and 145 services for Elizabeth M. Cruz. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth M. Cruz's NPI number?
1437419017. 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 Elizabeth M. Cruz, 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 patients112
Services billed to Medicare145
Different services or procedures13
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional (95720)57 services
  2. Measurement of brain wave activity (eeg), awake and drowsy (95816)42 services
  3. Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional (95718)16 services
  4. Measurement of brain wave activity (eeg), awake and asleep (95819)12 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%
  • Ischemic heart disease56%
  • Stroke or mini-stroke54%
  • Arthritis49%
  • Depression49%

Hospitals where Elizabeth M. Cruz works

Medicare's Facility Affiliation Data lists Elizabeth M. Cruz 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 Elizabeth M. Cruz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elizabeth M. Cruz as a member of this group (CMS data updated October 2, 2026).

  • Neurology Associates of Stony Brook, University Faculty Practice Corpo57 clinicians in the group

Specialties

Find other Neurology doctors in New York →

Other neurologists in Stony Brook

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

All neurologists in Stony Brook →

Other clinicians in Neurology Associates of Stony Brook, University Faculty Practice Corpo

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

Clinician information

CredentialMD
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437419017
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