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Anesthesiology

Miriam Treggiari, MD

Works at hospitals in Durham, NC · North Carolina

Summary

Dr. Miriam Treggiari, MD is an anesthesiologist at 171 Fairview Rd, Mooresville, NC 28117. Phone: (704) 660-4000. Accepts Medicare assignment. In 2024, Miriam Treggiari had 26 Original Medicare patients and 73 services. NPI 1689899668. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 171 Fairview Rd, Mooresville, NC 28117 · Directions (3 more locations)
  • Phone: (704) 660‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Duke University Hospital
  • Group practice: Duke Health Integrated Practice, Inc
  • Medical school: graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Miriam Treggiari, 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 Miriam Treggiari accept Medicare assignment?
Yes. Medicare's clinician data says Miriam Treggiari 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 Miriam Treggiari see?
In 2024, CMS data shows 26 Original Medicare patients and 73 services for Miriam Treggiari. This counts Original Medicare only and measures volume, not quality.
What is Miriam Treggiari's NPI number?
1689899668. 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 Miriam Treggiari, 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 patients26
Services billed to Medicare73
Different services or procedures11
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Critical care, first 30-74 minutes (99291)45 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 cholesterol73%
  • Arthritis54%
  • Ischemic heart disease50%
  • Anxiety42%
  • Stroke or mini-stroke42%

Hospitals where Miriam Treggiari works

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

Group practices

Medicare enrollment lists Miriam Treggiari as a member of this group (CMS data updated October 2, 2026).

  • Duke Health Integrated Practice, Inc3,185 clinicians in the group

Specialties

Find other Anesthesiology doctors in North Carolina →

Other anesthesiologists in Mooresville

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

All anesthesiologists in Mooresville →

Other clinicians in Duke Health Integrated Practice, Inc

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

Clinician information

CredentialMD
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689899668
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