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Internal Medicine

Amanda G. Okelly, MD

Works at hospitals in Greenville, SC · Greer, SC · Simpsonville, SC · South Carolina

Summary

Dr. Amanda G. Okelly, MD is an internal medicine doctor at 210 Freeman Farm Rd, Duncan, SC 29334. Phone: (864) 968-5123. Accepts Medicare assignment. In 2024, Amanda G. Okelly had 85 Original Medicare patients and 1,188 services. NPI 1578767323. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Amanda G. Okelly, 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 Amanda G. Okelly accept Medicare assignment?
Yes. Medicare's clinician data says Amanda G. Okelly 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 Amanda G. Okelly see?
In 2024, CMS data shows 85 Original Medicare patients and 1,188 services for Amanda G. Okelly. This counts Original Medicare only and measures volume, not quality.
What is Amanda G. Okelly's NPI number?
1578767323. 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 Amanda G. Okelly, 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 patients85
Services billed to Medicare1,188
Different services or procedures45
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)188 services
  2. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)140 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)140 services
  4. Insertion of needle into vein for collection of blood sample (36415)128 services
  5. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)71 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 cholesterol75%
  • High blood pressure74%
  • Anxiety31%
  • Depression29%
  • Ischemic heart disease28%
  • Diabetes27%

Hospitals where Amanda G. Okelly works

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

  • 210 Freeman Farm RdDuncan, SC 29334 (864) 968‑5123
  • 727 SE Main StSimpsonville, SC 29681
  • 727 SE Main St, Suite 300Simpsonville, SC 29681 (864) 522‑1170
  • 727 Semain StSimpsonville, SC 29681

Group practices

Medicare enrollment lists Amanda G. Okelly as a member of this group (CMS data updated October 2, 2026).

  • Prisma Health University Medical Group2,493 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in Duncan

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

All internal medicine doctors in Duncan →

Other clinicians in Prisma Health University Medical Group

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 year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1578767323
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