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Emergency Medicine

Samuel C. Gross, MD

Works at hospitals in Winchester, MA · Massachusetts

Summary

Dr. Samuel C. Gross, MD is an emergency medicine doctor at 41 Mall Rd, Burlington, MA 01805. Accepts Medicare assignment. In 2024, Samuel C. Gross had 436 Original Medicare patients and 489 services. NPI 1720235120. 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: 41 Mall Rd, Burlington, MA 01805 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Winchester Hospital
  • Group practice: Beth Israel Lahey Health Specialty Care, Inc.
  • Medical school: University Of Wisconsin School Of Medicine · graduated 2008 (18 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Samuel C. Gross, 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 Samuel C. Gross accept Medicare assignment?
Yes. Medicare's clinician data says Samuel C. Gross 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 Samuel C. Gross see?
In 2024, CMS data shows 436 Original Medicare patients and 489 services for Samuel C. Gross. This counts Original Medicare only and measures volume, not quality.
What is Samuel C. Gross's NPI number?
1720235120. 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 Samuel C. Gross, 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 patients436
Services billed to Medicare489
Different services or procedures34
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)191 services
  2. Critical care, first 30-74 minutes (99291)71 services
  3. Emergency department visit with moderate level of medical decision making (99284)64 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)54 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)24 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%
  • Arthritis54%
  • Anxiety37%
  • Ischemic heart disease36%
  • Chronic kidney disease35%

Hospitals where Samuel C. Gross works

Medicare's Facility Affiliation Data lists Samuel C. Gross 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.

  • Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105

Practice locations

Addresses where Samuel C. Gross is enrolled with Medicare (CMS data updated October 2, 2026).

  • 41 Mall RdBurlington, MA 01805

Group practices

Medicare enrollment lists Samuel C. Gross as a member of this group (CMS data updated October 2, 2026).

  • Beth Israel Lahey Health Specialty Care, Inc.267 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Burlington

Clinicians with the same Medicare primary specialty in Burlington, MA — not a recommendation.

All emergency medicine doctors in Burlington →

Other clinicians in Beth Israel Lahey Health Specialty Care, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720235120
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