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Internal Medicine

Todd R. Fennell, MD

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

Summary

Dr. Todd R. Fennell, MD is an internal medicine doctor at 325 Medical Pkwy, Suite 200, Greer, SC 29650. Phone: (864) 797-9550. Accepts Medicare assignment. In 2024, Todd R. Fennell had 320 Original Medicare patients and 3,484 services. NPI 1083639884. 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 Todd R. Fennell, 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 Todd R. Fennell accept Medicare assignment?
Yes. Medicare's clinician data says Todd R. Fennell 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 Todd R. Fennell see?
In 2024, CMS data shows 320 Original Medicare patients and 3,484 services for Todd R. Fennell. This counts Original Medicare only and measures volume, not quality.
What is Todd R. Fennell's NPI number?
1083639884. 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 Todd R. Fennell, 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 patients320
Services billed to Medicare3,484
Different services or procedures38
Participating Medicare providerYes
Average age of these patients75

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)669 services
  2. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)483 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)396 services
  4. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)352 services
  5. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)331 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%
  • Arthritis39%
  • Ischemic heart disease28%
  • Diabetes27%
  • Chronic kidney disease21%

Hospitals where Todd R. Fennell works

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

Group practices

Medicare enrollment lists Todd R. Fennell 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 Greer

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

All internal medicine doctors in Greer →

Other clinicians in Prisma Health University Medical Group

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1083639884
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