Maria V. Fedoseeva, MD

Medicare activity in 2024

Official CMS public-use data for Maria V. Fedoseeva, 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.

Most frequent services

1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)494 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)444 services
3. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)15 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 disease75%
• Arthritis70%
• Heart failure55%
• Atrial fibrillation51%

Hospitals where Maria V. Fedoseeva works

Medicare's Facility Affiliation Data lists Maria V. Fedoseeva 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.

• Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330332
• Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330259
• Mount Sinai South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198
• St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330182

Practice locations

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

• 100 Port Washington BlvdRoslyn, NY 11576 (516) 562‑6385

Group practices

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

• Southwest Suffolk Medical PC199 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in New York →

Other hospitalists in Roslyn

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

• Rachelle B. De La Fuente-Dupiton, MD
• Luke T. Riordan, MD
• Doina L. Glodan, MD
• Adreana Demarinis, MD
• Zar Chi Win, MD
• Salma F. Syed, MD
• Imran Ismail
• Jiju Mathew, MD

All hospitalists in Roslyn →

Other clinicians in Southwest Suffolk Medical PC

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

• Brendan Keys
• Grace B. Olowo, MD
• Diana Sabirova, MD
• Charles Thomas
• Georgiy I. Chikvashvili, MD
• Valerie M. Drabina-Dombrowski, DO

Clinician information

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