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Internal Medicine

Konstantin Ravvin, MD

Works at hospitals in Boston, MA · Woonsocket, RI · Milford, MA … · Massachusetts, Rhode Island

Summary

Konstantin Ravvin, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Boston, MA, Woonsocket, RI and Milford, MA and other places. NPI 1851851901. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Konstantin Ravvin, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice (+2 more)

Quick answers

Which hospitals does Konstantin Ravvin work at?
Medicare's official clinician data lists Konstantin Ravvin at 4 hospitals: Brigham and Women's Hospital, Landmark Medical Center, Milford Regional Medical Center and The Miriam Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Konstantin Ravvin see patients?
Medicare's clinician data lists 2 practice locations, including Milford, MA and Warwick, RI. Call before your visit to confirm the address.
What is Konstantin Ravvin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Konstantin Ravvin accept Medicare assignment?
Yes. Medicare's clinician data says Konstantin Ravvin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Konstantin Ravvin?
(508) 473-1190, as listed in official Medicare / NPI Registry data.
What is Konstantin Ravvin's NPI number?
1851851901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Konstantin Ravvin works

Medicare's Facility Affiliation Data lists Konstantin Ravvin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Konstantin Ravvin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Konstantin Ravvin as a member of these groups (CMS data updated 2026-10-02).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group
  • Milford Regional Physician Group, Inc.210 clinicians in the group
  • New England Premier Healthcare Ltd5 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Milford

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

All internal medicine doctors in Milford →

Clinician information

CredentialMD
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851851901
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians