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Hospitalist

Alhareth Alsagban, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Dr. Alhareth Alsagban, MD is a hospitalist at 4940 Eastern Ave, Baltimore, MD 21224. Phone: (410) 550-0100. Accepts Medicare assignment. In 2024, Alhareth Alsagban had 152 Original Medicare patients and 156 services. NPI 1225658305. 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 Alhareth Alsagban, 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 Alhareth Alsagban accept Medicare assignment?
Yes. Medicare's clinician data says Alhareth Alsagban 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 Alhareth Alsagban see?
In 2024, CMS data shows 152 Original Medicare patients and 156 services for Alhareth Alsagban. This counts Original Medicare only and measures volume, not quality.
What is Alhareth Alsagban's NPI number?
1225658305. 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 Alhareth Alsagban, 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 patients152
Services billed to Medicare156
Different services or procedures11
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)112 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)11 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%
  • Arthritis56%
  • Chronic kidney disease55%
  • Depression53%
  • Diabetes52%

Hospitals where Alhareth Alsagban works

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

Group practices

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

  • Johns Hopkins University713 clinicians in the group

Specialties

Find other Hospitalist doctors in Maryland →

Other hospitalists in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All hospitalists in Baltimore →

Other clinicians in Johns Hopkins University

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

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225658305
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