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Anesthesiology

Ana V. Kalash, MD

Works at hospitals in Bay Shore, NY · New York

Summary

Dr. Ana V. Kalash, MD is an anesthesiologist at 1895 Walt Whitman Rd, Suite 500, Melville, NY 11747. Phone: (631) 293-9700. Accepts Medicare assignment. In 2024, Ana V. Kalash had 179 Original Medicare patients and 201 services. NPI 1679579544. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1895 Walt Whitman Rd, Suite 500, Melville, NY 11747 · Directions
  • Phone: (631) 293‑9700
  • Medicare: Accepts Medicare assignment
  • Hospital: Ns/Lij HS Southside Hospital
  • Group practice: North Shore - Lij Anesthesiology, PC
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 1992 (34 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ana V. Kalash, 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 Ana V. Kalash accept Medicare assignment?
Yes. Medicare's clinician data says Ana V. Kalash 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 Ana V. Kalash see?
In 2024, CMS data shows 179 Original Medicare patients and 201 services for Ana V. Kalash. This counts Original Medicare only and measures volume, not quality.
What is Ana V. Kalash's NPI number?
1679579544. 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 Ana V. Kalash, 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 patients179
Services billed to Medicare201
Different services or procedures33
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01938)38 services
  2. Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back (00300)19 services
  3. Anesthesia for nerve destruction procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01940)16 services
  4. Anesthesia for nerve modulation procedure spinal cord or repair of bone of spine of lower back accessed through skin using imaging guidance (01942)15 services
  5. Anesthesia for exam of uterus using an endoscope (00952)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%
  • Arthritis74%
  • Diabetes36%
  • Ischemic heart disease34%
  • Anxiety34%

Hospitals where Ana V. Kalash works

Medicare's Facility Affiliation Data lists Ana V. Kalash 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.

  • Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330043

Practice locations

Addresses where Ana V. Kalash is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ana V. Kalash as a member of this group (CMS data updated October 2, 2026).

  • North Shore - Lij Anesthesiology, PC1,003 clinicians in the group

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Melville

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

All anesthesiologists in Melville →

Other clinicians in North Shore - Lij Anesthesiology, PC

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

Clinician information

CredentialMD
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year1992 (34 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679579544
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