Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Omar K. Siddiqi, MD

Works at hospitals in Boston, MA · Attleboro, MA · Massachusetts

Summary

Dr. Omar K. Siddiqi, MD is a cardiologist at 1 Boston Medical Ctr Pl, Boston, MA 02118. Phone: (617) 638-8000. Accepts Medicare assignment. In 2024, Omar K. Siddiqi had 623 Original Medicare patients and 1,062 services. NPI 1508069816. 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: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 1 Boston Medical Ctr Pl, Boston, MA 02118 · Directions (2 more locations)
  • Phone: (617) 638‑8000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Boston Medical Center, Sturdy Memorial Hospital
  • Group practice: Evans Medical Foundation Inc
  • Medical school: Washington University School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Omar K. Siddiqi, 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 Omar K. Siddiqi accept Medicare assignment?
Yes. Medicare's clinician data says Omar K. Siddiqi 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 Omar K. Siddiqi see?
In 2024, CMS data shows 623 Original Medicare patients and 1,062 services for Omar K. Siddiqi. This counts Original Medicare only and measures volume, not quality.
What is Omar K. Siddiqi's NPI number?
1508069816. 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 Omar K. Siddiqi, 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 patients623
Services billed to Medicare1,062
Different services or procedures30
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)384 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)98 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)70 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)62 services
  5. Ultrasound of heart, follow-up (93308)54 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%
  • Heart failure59%
  • Ischemic heart disease52%
  • Atrial fibrillation45%
  • Chronic kidney disease43%

Hospitals where Omar K. Siddiqi works

Medicare's Facility Affiliation Data lists Omar K. Siddiqi 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.

  • Boston Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220031
  • Sturdy Memorial HospitalAttleboro, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220008

Practice locations

Addresses where Omar K. Siddiqi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Evans Medical Foundation Inc536 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →

Other cardiologists in Boston

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

All cardiologists in Boston →

Other clinicians in Evans Medical Foundation Inc

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

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1508069816
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