Rachana Tyagi, MD

Medicare activity in 2024

Official CMS public-use data for Rachana Tyagi, 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 straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)21 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)16 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)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%
• Arthritis69%
• Ischemic heart disease52%
• Depression42%
• Diabetes38%

Hospitals where Rachana Tyagi works

Medicare's Facility Affiliation Data lists Rachana Tyagi 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.

• Healthalliance Hospital Marys Avenue CampusKingston, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330224
• Westchester Medical CenterValhalla, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330234

Practice locations

Addresses where Rachana Tyagi is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Woods RdValhalla, NY 10595
• 117 Marys Ave, Suite 102Kingston, NY 12401 (845) 338‑5555
• 241 N RdPoughkeepsie, NY 12601 (845) 483‑5000
• 373 BroadwayKingston, NY 12401 (845) 338‑5555
• 95 Grasslands RdValhalla, NY 10595 (914) 493‑6940

Group practices

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

• Westchester Medical Center Advanced Physician Services PC897 clinicians in the group

Specialties

• Neurosurgeryprimary

Find other Neurosurgery doctors in New York →

Other neurosurgeons in Valhalla

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

• Uchenna N. Okafo, MD
• Vishad Sukul, MD
• Carrie R. Muh, MD
• Sebastian Rubino, MD
• Stephanie Oh, MD
• Simon J. Hanft, MD
• John V. Wainwright, MD

All neurosurgeons in Valhalla →

Other clinicians in Westchester Medical Center Advanced Physician Services PC

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

• Nancy A. Nwankwo, NP
• Ashleigh Halderman, MD
• Cary S. Passik, MD
• Abby C. Richards, DO
• Victoria Shapiro, MD
• Desmond A. White, MD

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