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Internal Medicine

Zachary S. Barfield, DO

Works at hospitals in Shelby, NC · Lincolnton, NC · Charlotte, NC · North Carolina

Summary

Dr. Zachary S. Barfield, DO is an internal medicine doctor at 14214 Ballantyne Lake Rd, Charlotte, NC 28277. Phone: (980) 212-6500. Accepts Medicare assignment. In 2024, Zachary S. Barfield had 224 Original Medicare patients and 955 services. NPI 1821518010. 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 S. Barfield, 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 S. Barfield accept Medicare assignment?
Yes. Medicare's clinician data says Zachary S. Barfield 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 S. Barfield see?
In 2024, CMS data shows 224 Original Medicare patients and 955 services for Zachary S. Barfield. This counts Original Medicare only and measures volume, not quality.
What is Zachary S. Barfield's NPI number?
1821518010. 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 S. Barfield, 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 patients224
Services billed to Medicare955
Different services or procedures58
Participating Medicare providerYes
Average age of these patients73

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)336 services
  2. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)146 services
  3. Hemoglobin a1c level (83036)100 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)61 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)34 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 pressure74%
  • High cholesterol72%
  • Arthritis48%
  • Diabetes35%
  • Anxiety31%
  • Ischemic heart disease24%

Hospitals where Zachary S. Barfield works

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

Group practices

Medicare enrollment lists Zachary S. Barfield as a member of this group (CMS data updated October 2, 2026).

  • Carolinas Physicians Network Inc2,325 clinicians in the group

Specialties

Find other Internal Medicine doctors in North Carolina →

Other internal medicine doctors in Charlotte

Clinicians with the same Medicare primary specialty in Charlotte, NC — not a recommendation.

All internal medicine doctors in Charlotte →

Other clinicians in Carolinas Physicians Network Inc

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

Clinician information

CredentialDO
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1821518010
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