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Internal Medicine

Zachary G. Seymour, MD

Works at hospitals in Anderson, SC · Athens, GA · Greenville, SC · South Carolina, Georgia

Summary

Dr. Zachary G. Seymour, MD is an internal medicine doctor at 803 N Fant St, Suite 2b, Anderson, SC 29621. Phone: (864) 225-1481. Accepts Medicare assignment. In 2024, Zachary G. Seymour had 316 Original Medicare patients and 2,647 services. NPI 1922038413. 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 Zachary G. Seymour, 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 Zachary G. Seymour accept Medicare assignment?
Yes. Medicare's clinician data says Zachary G. Seymour 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 Zachary G. Seymour see?
In 2024, CMS data shows 316 Original Medicare patients and 2,647 services for Zachary G. Seymour. This counts Original Medicare only and measures volume, not quality.
What is Zachary G. Seymour's NPI number?
1922038413. 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 Zachary G. Seymour, 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 patients316
Services billed to Medicare2,647
Different services or procedures25
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)436 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)412 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)364 services
  4. Urinalysis, manual test (81002)293 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)254 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%
  • Diabetes31%
  • Ischemic heart disease29%
  • Chronic kidney disease23%

Hospitals where Zachary G. Seymour works

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

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in Anderson

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

All internal medicine doctors in Anderson →

Clinician information

CredentialMD
Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922038413
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