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Internal Medicine

Liviu Nastase, MD

Works at hospitals in Nyack, NY · New York

Summary

Dr. Liviu Nastase, MD is an internal medicine doctor at 160 N Midland Ave, Nyack, NY 10960. Phone: (845) 480-7440. Accepts Medicare assignment. In 2024, Liviu Nastase had 98 Original Medicare patients and 516 services. NPI 1922019165. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 160 N Midland Ave, Nyack, NY 10960 · Directions (5 more locations)
  • Phone: (845) 480‑7440
  • Medicare: Accepts Medicare assignment
  • Hospital: Nyack Hospital
  • Group practice: White Plains Medical Diagnostic Services, PC
  • Medical school: graduated 1985 (41 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Liviu Nastase, 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 Liviu Nastase accept Medicare assignment?
Yes. Medicare's clinician data says Liviu Nastase 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 Liviu Nastase see?
In 2024, CMS data shows 98 Original Medicare patients and 516 services for Liviu Nastase. This counts Original Medicare only and measures volume, not quality.
What is Liviu Nastase's NPI number?
1922019165. 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 Liviu Nastase, 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 patients98
Services billed to Medicare516
Different services or procedures6
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)398 services
  2. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)70 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)13 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%
  • Diabetes70%
  • Arthritis60%
  • Depression59%
  • COPD58%

Hospitals where Liviu Nastase works

Medicare's Facility Affiliation Data lists Liviu Nastase 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.

  • Nyack HospitalNyack, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330104

Practice locations

Addresses where Liviu Nastase is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Liviu Nastase as a member of this group (CMS data updated October 2, 2026).

  • White Plains Medical Diagnostic Services, PC93 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Nyack

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

All internal medicine doctors in Nyack →

Other clinicians in White Plains Medical Diagnostic Services, PC

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

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922019165
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