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Hospitalist

Antonia Tharian, MD

Works at hospitals in Stony Brook, NY · New York

Summary

Dr. Antonia Tharian, MD is a hospitalist at 100 Nicolls Rd, Stony Brook, NY 11794. Phone: (631) 444-1560. Accepts Medicare assignment. In 2024, Antonia Tharian had 214 Original Medicare patients and 841 services. NPI 1336444595. 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: Hospitalist
  • Address: 100 Nicolls Rd, Stony Brook, NY 11794 · Directions (2 more locations)
  • Phone: (631) 444‑1560
  • Medicare: Accepts Medicare assignment
  • Hospital: Suny/Stony Brook University Hospital
  • Group practice: Stony Brook Internists University Faculty Practice Corporation
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Antonia Tharian, 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 Antonia Tharian accept Medicare assignment?
Yes. Medicare's clinician data says Antonia Tharian 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 Antonia Tharian see?
In 2024, CMS data shows 214 Original Medicare patients and 841 services for Antonia Tharian. This counts Original Medicare only and measures volume, not quality.
What is Antonia Tharian's NPI number?
1336444595. 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 Antonia Tharian, 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 patients214
Services billed to Medicare841
Different services or procedures6
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)473 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)302 services
  3. Hospital discharge day management, more than 30 minutes (99239)50 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 disease68%
  • Arthritis58%
  • Heart failure55%
  • Diabetes54%

Hospitals where Antonia Tharian works

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

Group practices

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

  • Stony Brook Internists University Faculty Practice Corporation428 clinicians in the group

Specialties

Find other Hospitalist doctors in New York →

Other hospitalists in Stony Brook

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

All hospitalists in Stony Brook →

Other clinicians in Stony Brook Internists University Faculty Practice Corporation

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336444595
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