Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Josephine Ratnathicam, MD

Works at hospitals in Cortlandt Manor, NY · New York

Summary

Dr. Josephine Ratnathicam, MD is an anesthesiologist at 1980 Crompond Rd, Cortlandt Manor, NY 10567. Phone: (914) 737-9000. Accepts Medicare assignment. In 2024, Josephine Ratnathicam had 133 Original Medicare patients and 136 services. NPI 1265402705. 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: 1980 Crompond Rd, Cortlandt Manor, NY 10567 · Directions
  • Phone: (914) 737‑9000
  • Medicare: Accepts Medicare assignment
  • Hospital: Hudson Valley Hospital Center
  • Group practice: Hudson Health Anesthesia PLLC
  • Medical school: graduated 1971 (55 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Josephine Ratnathicam, 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 Josephine Ratnathicam accept Medicare assignment?
Yes. Medicare's clinician data says Josephine Ratnathicam 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 Josephine Ratnathicam see?
In 2024, CMS data shows 133 Original Medicare patients and 136 services for Josephine Ratnathicam. This counts Original Medicare only and measures volume, not quality.
What is Josephine Ratnathicam's NPI number?
1265402705. 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 Josephine Ratnathicam, 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 patients133
Services billed to Medicare136
Different services or procedures24
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for exam of colon using an endoscope (00812)37 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)29 services
  3. Anesthesia for other procedure on large bowel using an endoscope (00811)24 services
  4. Anesthesia for procedure on small and large bowel using an endoscope (00813)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 cholesterol75%
  • High blood pressure74%
  • Arthritis44%
  • Ischemic heart disease30%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)27%
  • Diabetes26%

Hospitals where Josephine Ratnathicam works

Medicare's Facility Affiliation Data lists Josephine Ratnathicam 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.

  • Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330267

Practice locations

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

Group practices

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

  • Hudson Health Anesthesia PLLC51 clinicians in the group

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Cortlandt Manor

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

All anesthesiologists in Cortlandt Manor →

Other clinicians in Hudson Health Anesthesia PLLC

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

Clinician information

CredentialMD
Graduation year1971 (55 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265402705
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