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

Internal Medicine

Udaya B. Jagadeesan, MD

Sees patients in Springfield, MA · Massachusetts

Summary

Dr. Udaya B. Jagadeesan, MD is an internal medicine doctor at 819 Worcester St, Suite 1, Springfield, MA 01151. Phone: (413) 604-5201. Accepts Medicare assignment. In 2024, Udaya B. Jagadeesan had 446 Original Medicare patients and 2,505 services. NPI 1790743755. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 819 Worcester St, Suite 1, Springfield, MA 01151 · Directions
  • Phone: (413) 604‑5201
  • Medicare: Accepts Medicare assignment
  • Group practice: CH Specialty Services Ma PC (+1 more)
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Udaya B. Jagadeesan, 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 Udaya B. Jagadeesan accept Medicare assignment?
Yes. Medicare's clinician data says Udaya B. Jagadeesan 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 Udaya B. Jagadeesan see?
In 2024, CMS data shows 446 Original Medicare patients and 2,505 services for Udaya B. Jagadeesan. This counts Original Medicare only and measures volume, not quality.
What is Udaya B. Jagadeesan's NPI number?
1790743755. 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 Udaya B. Jagadeesan, 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 patients446
Services billed to Medicare2,505
Different services or procedures11
Participating Medicare providerYes
Average age of these patients84

Most frequent services

  1. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)1,893 services
  2. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)252 services
  3. Advance care planning, first 30 minutes (99497)101 services
  4. Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)96 services
  5. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)74 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%
  • Arthritis75%
  • Depression62%
  • Anxiety62%
  • Alzheimer's disease or dementia59%

Practice locations

Addresses where Udaya B. Jagadeesan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Udaya B. Jagadeesan as a member of these groups (CMS data updated October 2, 2026).

  • CH Specialty Services Ma PC88 clinicians in the group
  • Curana Health of Massachusetts LLC88 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Springfield

Clinicians with the same Medicare primary specialty in Springfield, MA — not a recommendation.

All internal medicine doctors in Springfield →

Other clinicians in CH Specialty Services Ma PC

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790743755
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