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

Internal Medicine

Shuang Bai, MD

Works at hospitals in San Bernardino, CA · California

Summary

Dr. Shuang Bai, MD is an internal medicine doctor at 225 W Hospitality Ln, San Bernardino, CA 92408. Phone: (840) 237-2700. Accepts Medicare assignment. In 2024, Shuang Bai had 161 Original Medicare patients and 865 services. NPI 1154346799. 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 Shuang Bai, 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 Shuang Bai accept Medicare assignment?
Yes. Medicare's clinician data says Shuang Bai 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 Shuang Bai see?
In 2024, CMS data shows 161 Original Medicare patients and 865 services for Shuang Bai. This counts Original Medicare only and measures volume, not quality.
What is Shuang Bai's NPI number?
1154346799. 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 Shuang Bai, 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 patients161
Services billed to Medicare865
Different services or procedures15
Participating Medicare providerYes
Average age of these patients76

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)429 services
  2. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)101 services
  3. Advance care planning, first 30 minutes (99497)62 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)59 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)54 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 cholesterol66%
  • Diabetes55%
  • Arthritis46%
  • Depression39%
  • Chronic kidney disease39%

Hospitals where Shuang Bai works

Medicare's Facility Affiliation Data lists Shuang Bai 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 Shuang Bai is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Bernardino

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

All internal medicine doctors in San Bernardino →

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154346799
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