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Emergency Medicine

Umesh H. Gheewala, MD

Works at hospitals in Burlingame, CA · California

Summary

Dr. Umesh H. Gheewala, MD is an emergency medicine doctor at 100 S San Mateo Dr, San Mateo, CA 94401. Phone: (650) 696-5400. Accepts Medicare assignment. In 2024, Umesh H. Gheewala had 56 Original Medicare patients and 74 services. NPI 1982608568. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 100 S San Mateo Dr, San Mateo, CA 94401 · Directions (6 more locations)
  • Phone: (650) 696‑5400
  • Medicare: Accepts Medicare assignment
  • Hospital: Peninsula Medical Center
  • Group practice: Sutter Bay Medical Foundation (+2 more)
  • Medical school: graduated 1975 (51 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Umesh H. Gheewala, 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 Umesh H. Gheewala accept Medicare assignment?
Yes. Medicare's clinician data says Umesh H. Gheewala 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 Umesh H. Gheewala see?
In 2024, CMS data shows 56 Original Medicare patients and 74 services for Umesh H. Gheewala. This counts Original Medicare only and measures volume, not quality.
What is Umesh H. Gheewala's NPI number?
1982608568. 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 Umesh H. Gheewala, 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 patients56
Services billed to Medicare74
Different services or procedures13
Participating Medicare providerYes
Average age of these patients76

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)26 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)25 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 cholesterol71%
  • High blood pressure55%
  • Arthritis41%
  • Osteoporosis32%
  • Anxiety25%

Hospitals where Umesh H. Gheewala works

Medicare's Facility Affiliation Data lists Umesh H. Gheewala 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 Umesh H. Gheewala is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Umesh H. Gheewala as a member of these groups (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group
  • Queens University Medical Group614 clinicians in the group
  • John Muir Physician Network494 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in San Mateo

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

All emergency medicine doctors in San Mateo →

Other clinicians in Sutter Bay Medical Foundation

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

Clinician information

CredentialMD
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982608568
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