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Internal Medicine

Shamsuddin Alamgir, MD

Works at hospitals in Burlingame, CA · California

Summary

Dr. Shamsuddin Alamgir, MD is an internal medicine doctor at 1501 Trousdale Dr, Burlingame, CA 94010. Phone: (408) 988-4888. Accepts Medicare assignment. In 2024, Shamsuddin Alamgir had 567 Original Medicare patients and 1,877 services. NPI 1306877071. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1501 Trousdale Dr, Burlingame, CA 94010 · Directions
  • Phone: (408) 988‑4888
  • Medicare: Accepts Medicare assignment
  • Hospital: Peninsula Medical Center
  • Group practice: Hospitalists of the Peninsula
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Shamsuddin Alamgir, 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 Shamsuddin Alamgir accept Medicare assignment?
Yes. Medicare's clinician data says Shamsuddin Alamgir 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 Shamsuddin Alamgir see?
In 2024, CMS data shows 567 Original Medicare patients and 1,877 services for Shamsuddin Alamgir. This counts Original Medicare only and measures volume, not quality.
What is Shamsuddin Alamgir's NPI number?
1306877071. 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 Shamsuddin Alamgir, 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 patients567
Services billed to Medicare1,877
Different services or procedures10
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Hospital discharge day management, more than 30 minutes (99239)547 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)484 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)438 services
  4. Critical care, first 30-74 minutes (99291)296 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)102 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%
  • Arthritis68%
  • Ischemic heart disease47%
  • Atrial fibrillation43%
  • Heart failure38%

Hospitals where Shamsuddin Alamgir works

Medicare's Facility Affiliation Data lists Shamsuddin Alamgir 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.

  • Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007

Practice locations

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

Group practices

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

  • Hospitalists of the Peninsula3 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Burlingame

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

All internal medicine doctors in Burlingame →

Other clinicians in Hospitalists of the Peninsula

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306877071
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