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Cardiovascular Disease (Cardiology)

Sanjay K. Shah

Works at hospitals in Boston, MA · South Weymouth, MA · Leominster, MA … · Massachusetts

Summary

Sanjay K. Shah is a cardiologist at 70 Pleasant St, Weymouth, MA 02190. Phone: (781) 878-5200. Accepts Medicare assignment. In 2024, Sanjay K. Shah had 1,691 Original Medicare patients and 2,720 services. NPI 1588876585. 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 Sanjay K. Shah, 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 Sanjay K. Shah accept Medicare assignment?
Yes. Medicare's clinician data says Sanjay K. Shah 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 Sanjay K. Shah see?
In 2024, CMS data shows 1,691 Original Medicare patients and 2,720 services for Sanjay K. Shah. This counts Original Medicare only and measures volume, not quality.
What is Sanjay K. Shah's NPI number?
1588876585. 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 Sanjay K. Shah, 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 patients1,691
Services billed to Medicare2,720
Different services or procedures31
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,404 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)544 services
  3. Heart muscle strain imaging (93356)181 services
  4. Ultrasound of heart, follow-up (93308)72 services
  5. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)70 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%
  • Ischemic heart disease48%
  • Arthritis46%
  • Anxiety42%
  • Chronic kidney disease41%

Hospitals where Sanjay K. Shah works

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

Group practices

Medicare enrollment lists Sanjay K. Shah as a member of this group (CMS data updated October 2, 2026).

  • South Shore Medical Center, Inc.175 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →

Other cardiologists in Weymouth

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

All cardiologists in Weymouth →

Other clinicians in South Shore Medical Center, Inc.

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

Clinician information

Medical schoolUn Of California, Irvine, College Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588876585
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