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Emergency Medicine

Cynthia M. Oliva, MD

Works at hospitals in Charleston, SC · South Carolina

Summary

Dr. Cynthia M. Oliva, MD is an emergency medicine doctor at 171 Ashley Ave, Charleston, SC 29425. Phone: (843) 792-1414. Accepts Medicare assignment. In 2024, Cynthia M. Oliva had 367 Original Medicare patients and 536 services. NPI 1902210438. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 171 Ashley Ave, Charleston, SC 29425 · Directions
  • Phone: (843) 792‑1414
  • Medicare: Accepts Medicare assignment
  • Hospital: MUSC Medical Center
  • Group practice: University Medical Associates of the Medical University of South Carol
  • Medical school: University Of South Carolina School Of Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Cynthia M. Oliva, 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 Cynthia M. Oliva accept Medicare assignment?
Yes. Medicare's clinician data says Cynthia M. Oliva 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 Cynthia M. Oliva see?
In 2024, CMS data shows 367 Original Medicare patients and 536 services for Cynthia M. Oliva. This counts Original Medicare only and measures volume, not quality.
What is Cynthia M. Oliva's NPI number?
1902210438. 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 Cynthia M. Oliva, 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 patients367
Services billed to Medicare536
Different services or procedures13
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)156 services
  2. Emergency department visit with moderate level of medical decision making (99284)148 services
  3. Emergency department visit with high level of medical decision making (99285)131 services
  4. Critical care, first 30-74 minutes (99291)73 services
  5. Emergency department visit with low level of medical decision making (99283)16 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%
  • Anxiety46%
  • Depression41%
  • Ischemic heart disease37%

Hospitals where Cynthia M. Oliva works

Medicare's Facility Affiliation Data lists Cynthia M. Oliva 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.

  • MUSC Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420004

Practice locations

Addresses where Cynthia M. Oliva is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cynthia M. Oliva as a member of this group (CMS data updated October 2, 2026).

  • University Medical Associates of the Medical University of South Carol1,668 clinicians in the group

Specialties

Find other Emergency Medicine doctors in South Carolina →

Other emergency medicine doctors in Charleston

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

All emergency medicine doctors in Charleston →

Other clinicians in University Medical Associates of the Medical University of South Carol

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

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902210438
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