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Internal Medicine

Jyotirmaya Nanda, MD

Works at hospitals in Lake Saint Louis, MO · Missouri

Summary

Dr. Jyotirmaya Nanda, MD is an internal medicine doctor at 100 Medical Plz, Lake Saint Louis, MO 63367. Phone: (636) 625-5200. Accepts Medicare assignment. In 2024, Jyotirmaya Nanda had 14 Original Medicare patients and 16 services. NPI 1629039714. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 100 Medical Plz, Lake Saint Louis, MO 63367 · Directions (1 more location)
  • Phone: (636) 625‑5200
  • Medicare: Accepts Medicare assignment
  • Hospital: SSM St Joseph Hospital West
  • Group practice: Sound Physicians of Illinois LLC
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jyotirmaya Nanda, 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 Jyotirmaya Nanda accept Medicare assignment?
Yes. Medicare's clinician data says Jyotirmaya Nanda 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 Jyotirmaya Nanda see?
In 2024, CMS data shows 14 Original Medicare patients and 16 services for Jyotirmaya Nanda. This counts Original Medicare only and measures volume, not quality.
What is Jyotirmaya Nanda's NPI number?
1629039714. 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 Jyotirmaya Nanda, 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 patients14
Services billed to Medicare16
Different services or procedures4
Participating Medicare providerYes
Average age of these patients81

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)12 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%
  • Diabetes75%

Hospitals where Jyotirmaya Nanda works

Medicare's Facility Affiliation Data lists Jyotirmaya Nanda 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.

  • SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260200

Practice locations

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

Group practices

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

  • Sound Physicians of Illinois LLC193 clinicians in the group

Specialties

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Lake Saint Louis

Clinicians with the same Medicare primary specialty in Lake Saint Louis, MO — not a recommendation.

All internal medicine doctors in Lake Saint Louis →

Other clinicians in Sound Physicians of Illinois LLC

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)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629039714
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