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Nurse Practitioner

Ruth W. Montemagno, NP

Works at hospitals in Mount Pleasant, SC · South Carolina

Summary

Ruth W. Montemagno, NP is a nurse practitioner at 316 Calhoun St, Charleston, SC 29401. Phone: (843) 789-1620. Accepts Medicare assignment. In 2024, Ruth W. Montemagno had 67 Original Medicare patients and 89 services. NPI 1821458837. 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: Nurse practitioner
  • Address: 316 Calhoun St, Charleston, SC 29401 · Directions (1 more location)
  • Phone: (843) 789‑1620
  • Medicare: Accepts Medicare assignment
  • Hospital: Mount Pleasant Hospital
  • Group practice: Roper Hospital Inc (+1 more)
  • School: University Of Alabama School Of Medicine · graduated 2015
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ruth W. Montemagno, 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 Ruth W. Montemagno accept Medicare assignment?
Yes. Medicare's clinician data says Ruth W. Montemagno 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 Ruth W. Montemagno see?
In 2024, CMS data shows 67 Original Medicare patients and 89 services for Ruth W. Montemagno. This counts Original Medicare only and measures volume, not quality.
What is Ruth W. Montemagno's NPI number?
1821458837. 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 Ruth W. Montemagno, 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 patients67
Services billed to Medicare89
Different services or procedures17
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)55 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 cholesterol75%
  • Arthritis58%
  • Ischemic heart disease52%
  • Atrial fibrillation45%
  • Diabetes43%

Hospitals where Ruth W. Montemagno works

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

Group practices

Medicare enrollment lists Ruth W. Montemagno as a member of these groups (CMS data updated October 2, 2026).

  • Roper Hospital Inc65 clinicians in the group
  • Roper St. Francis Mount Pleasant Hospital17 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, South Carolina →

Other nurse practitioners in Charleston

Clinicians with the same Medicare primary specialty in Charleston, SC — not a recommendation.

All nurse practitioners in Charleston →

Other clinicians in Roper Hospital Inc

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

Clinician information

CredentialNP
SchoolUniversity Of Alabama School Of Medicine
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821458837
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