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Internal Medicine

Clarissa J. Diamantidis, MD

Works at hospitals in Winston-Salem, NC · North Carolina

Summary

Dr. Clarissa J. Diamantidis, MD is an internal medicine doctor at Medical Ctr Blvd, Winston Salem, NC 27157. Phone: (336) 716-2734. Accepts Medicare assignment. NPI 1871798538. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: Medical Ctr Blvd, Winston Salem, NC 27157 · Directions
  • Phone: (336) 716‑2734
  • Medicare: Accepts Medicare assignment
  • Hospital: North Carolina Baptist Hospital
  • Group practice: Wake Forest University Health Sciences
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Clarissa J. Diamantidis, 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 Clarissa J. Diamantidis accept Medicare assignment?
Yes. Medicare's clinician data says Clarissa J. Diamantidis 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 Clarissa J. Diamantidis's NPI number?
1871798538. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Clarissa J. Diamantidis works

Medicare's Facility Affiliation Data lists Clarissa J. Diamantidis 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 Clarissa J. Diamantidis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Clarissa J. Diamantidis as a member of this group (CMS data updated October 2, 2026).

  • Wake Forest University Health Sciences2,645 clinicians in the group

Specialties

Find other Internal Medicine doctors in North Carolina →

Other internal medicine doctors in Winston Salem

Clinicians with the same Medicare primary specialty in Winston Salem, NC — not a recommendation.

All internal medicine doctors in Winston Salem →

Other clinicians in Wake Forest University Health Sciences

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871798538
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