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Hospitalist

Loni R. Tang, MD

Works at hospitals in Los Angeles, CA · Glendale, CA · California

Summary

Dr. Loni R. Tang, MD is a hospitalist at 1500 San Pablo St, Los Angeles, CA 90033. Phone: (800) 872-2273. Accepts Medicare assignment. In 2024, Loni R. Tang had 246 Original Medicare patients and 721 services. NPI 1093151268. 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 Loni R. Tang, 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 Loni R. Tang accept Medicare assignment?
Yes. Medicare's clinician data says Loni R. Tang 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 Loni R. Tang see?
In 2024, CMS data shows 246 Original Medicare patients and 721 services for Loni R. Tang. This counts Original Medicare only and measures volume, not quality.
What is Loni R. Tang's NPI number?
1093151268. 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 Loni R. Tang, 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 patients246
Services billed to Medicare721
Different services or procedures9
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)325 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)262 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)72 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)45 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%
  • Diabetes47%
  • Ischemic heart disease44%
  • Depression37%

Hospitals where Loni R. Tang works

Medicare's Facility Affiliation Data lists Loni R. Tang 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 Loni R. Tang is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Loni R. Tang as a member of this group (CMS data updated October 2, 2026).

  • USC Care Medical Group Inc1,380 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Los Angeles

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

All hospitalists in Los Angeles →

Other clinicians in USC Care Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093151268
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