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Rheumatology

Siba P. Raychaudhuri, MD

Works at hospitals in Sacramento, CA · California

Summary

Dr. Siba P. Raychaudhuri, MD is a rheumatologist at 3301 C St, Sacramento, CA 95816. Phone: (916) 827-7463. Accepts Medicare assignment. In 2024, Siba P. Raychaudhuri had 49 Original Medicare patients and 88 services. NPI 1821033275. 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 Siba P. Raychaudhuri, 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 Siba P. Raychaudhuri accept Medicare assignment?
Yes. Medicare's clinician data says Siba P. Raychaudhuri 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 Siba P. Raychaudhuri see?
In 2024, CMS data shows 49 Original Medicare patients and 88 services for Siba P. Raychaudhuri. This counts Original Medicare only and measures volume, not quality.
What is Siba P. Raychaudhuri's NPI number?
1821033275. 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 Siba P. Raychaudhuri, 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 patients49
Services billed to Medicare88
Different services or procedures9
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)23 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)21 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)21 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).

  • Arthritis75%
  • High blood pressure71%
  • High cholesterol65%
  • Diabetes31%
  • Anxiety31%
  • Asthma27%

Hospitals where Siba P. Raychaudhuri works

Medicare's Facility Affiliation Data lists Siba P. Raychaudhuri 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.

Practice locations

Addresses where Siba P. Raychaudhuri is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Siba P. Raychaudhuri as a member of this group (CMS data updated October 2, 2026).

  • Regents of the Univ of Ca1,584 clinicians in the group

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in Sacramento

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

All rheumatologists in Sacramento →

Other clinicians in Regents of the Univ of Ca

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

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1821033275
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