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Hand Surgery

Swaminathan Rajan, MD

Sees patients in Hopewell Junction, NY · Mahopac, NY · New York

Summary

Dr. Swaminathan Rajan, MD is a hand surgeon at 49 Foster Rd, Hopewell Junction, NY 12533. Phone: (845) 297-5200. Accepts Medicare assignment. In 2024, Swaminathan Rajan had 52 Original Medicare patients and 220 services. NPI 1619915725. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Hand surgeon (Medicare lists Hand Surgery)
  • Address: 49 Foster Rd, Hopewell Junction, NY 12533 · Directions (1 more location)
  • Phone: (845) 297‑5200
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1974 (52 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Swaminathan Rajan, 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 Swaminathan Rajan accept Medicare assignment?
Yes. Medicare's clinician data says Swaminathan Rajan 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 Swaminathan Rajan see?
In 2024, CMS data shows 52 Original Medicare patients and 220 services for Swaminathan Rajan. This counts Original Medicare only and measures volume, not quality.
What is Swaminathan Rajan's NPI number?
1619915725. 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 Swaminathan Rajan, 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 patients52
Services billed to Medicare220
Different services or procedures22
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)54 services
  2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)50 services
  3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)25 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)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%
  • Arthritis75%
  • High blood pressure71%
  • Ischemic heart disease44%
  • Diabetes40%
  • COPD27%

Practice locations

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

Specialties

Find other Hand Surgery doctors in New York →

Other hand surgeons in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All hand surgeons in New York →

Clinician information

CredentialMD
Graduation year1974 (52 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619915725
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians