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

Hospitalist

Christian C. Mewaldt, MD

Works at hospitals in Milton, MA · Needham, MA · Boston, MA · Massachusetts

Summary

Dr. Christian C. Mewaldt, MD is a hospitalist at 330 Brookline Ave, Boston, MA 02215. Phone: (617) 754-8612. Accepts Medicare assignment. NPI 1578952255. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Christian C. Mewaldt, 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 Christian C. Mewaldt accept Medicare assignment?
Yes. Medicare's clinician data says Christian C. Mewaldt 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.
What is Christian C. Mewaldt's NPI number?
1578952255. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christian C. Mewaldt works

Medicare's Facility Affiliation Data lists Christian C. Mewaldt 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 Christian C. Mewaldt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group

Specialties

Find other Hospitalist doctors in Massachusetts →

Other hospitalists in Boston

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

All hospitalists in Boston →

Other clinicians in Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

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

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1578952255
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians