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Cardiovascular Disease (Cardiology)

Hans K. Meier Ewert, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Hans K. Meier Ewert, MD is a cardiologist at 1 Boston Medical Ctr Pl, Boston, MA 02118. Phone: (617) 638-8000. Accepts Medicare assignment. In 2024, Hans K. Meier Ewert had 332 Original Medicare patients and 608 services. NPI 1336146810. 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
  • Hospital: Boston Medical Center
  • Group practice: Evans Medical Foundation Inc
  • Medical school: graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Hans K. Meier Ewert, 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 Hans K. Meier Ewert accept Medicare assignment?
Yes. Medicare's clinician data says Hans K. Meier Ewert 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 Hans K. Meier Ewert see?
In 2024, CMS data shows 332 Original Medicare patients and 608 services for Hans K. Meier Ewert. This counts Original Medicare only and measures volume, not quality.
What is Hans K. Meier Ewert's NPI number?
1336146810. 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 Hans K. Meier Ewert, 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 patients332
Services billed to Medicare608
Different services or procedures23
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)155 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)88 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)73 services
  4. 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)67 services
  5. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)44 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 cholesterol72%
  • Ischemic heart disease50%
  • Heart failure50%
  • Diabetes42%
  • Atrial fibrillation42%

Hospitals where Hans K. Meier Ewert works

Medicare's Facility Affiliation Data lists Hans K. Meier Ewert 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

Practice locations

Addresses where Hans K. Meier Ewert is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hans K. Meier Ewert 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
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336146810
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