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Hospitalist

Tuhin Chaudhury, MD

Works at hospitals in Lodi, CA · Castro Valley, CA · Greenbrae, CA · California

Summary

Dr. Tuhin Chaudhury, MD is a hospitalist at 20101 Lake Chabot Rd, Castro Valley, CA 94546. Phone: (510) 886-3400. Accepts Medicare assignment. In 2024, Tuhin Chaudhury had 282 Original Medicare patients and 532 services. NPI 1376779454. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Tuhin Chaudhury, 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 Tuhin Chaudhury accept Medicare assignment?
Yes. Medicare's clinician data says Tuhin Chaudhury 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 Tuhin Chaudhury see?
In 2024, CMS data shows 282 Original Medicare patients and 532 services for Tuhin Chaudhury. This counts Original Medicare only and measures volume, not quality.
What is Tuhin Chaudhury's NPI number?
1376779454. 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 Tuhin Chaudhury, 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 patients282
Services billed to Medicare532
Different services or procedures9
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)226 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)153 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)77 services
  4. Hospital discharge day management, more than 30 minutes (99239)61 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%
  • Chronic kidney disease53%
  • Arthritis50%
  • Heart failure49%
  • Diabetes46%

Hospitals where Tuhin Chaudhury works

Medicare's Facility Affiliation Data lists Tuhin Chaudhury 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.

  • Adventist Health Lodi MemorialLodi, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050336
  • Eden Medical CenterCastro Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050488
  • Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050360

Practice locations

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

Group practices

Medicare enrollment lists Tuhin Chaudhury as a member of these groups (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group
  • Sutter Valley Medical Foundation2,500 clinicians in the group
  • Galen Inpatient Physicians PC1,077 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Castro Valley

Clinicians with the same Medicare primary specialty in Castro Valley, CA — not a recommendation.

All hospitalists in Castro Valley →

Other clinicians in Sutter Bay Medical Foundation

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

Clinician information

CredentialMD
Medical schoolAlbany Medical College Of Union University
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376779454
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