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Family Practice

John C. Holland, DO

Sees patients in Winston Salem, NC · Greensboro, NC · Lexington, NC … · North Carolina

Summary

Dr. John C. Holland, DO is a family doctor at 105 Hanes Square Cir, Winston Salem, NC 27103. Phone: (336) 441-5569. Accepts Medicare assignment. In 2024, John C. Holland had 227 Original Medicare patients and 568 services. NPI 1639286412. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 105 Hanes Square Cir, Winston Salem, NC 27103 · Directions (8 more locations)
  • Phone: (336) 441‑5569
  • Medicare: Accepts Medicare assignment
  • Group practice: Carolina Medicorp Enterprises LLC
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John C. Holland, 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 John C. Holland accept Medicare assignment?
Yes. Medicare's clinician data says John C. Holland 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 John C. Holland see?
In 2024, CMS data shows 227 Original Medicare patients and 568 services for John C. Holland. This counts Original Medicare only and measures volume, not quality.
What is John C. Holland's NPI number?
1639286412. 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 John C. Holland, 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 patients227
Services billed to Medicare568
Different services or procedures40
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)102 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)59 services
  3. Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)45 services
  4. Automated urinalysis test (81003)32 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 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 pressure69%
  • Arthritis52%
  • Anxiety30%
  • Diabetes27%
  • Ischemic heart disease25%

Practice locations

Addresses where John C. Holland is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists John C. Holland as a member of this group (CMS data updated October 2, 2026).

  • Carolina Medicorp Enterprises LLC179 clinicians in the group

Specialties

Find other Family Practice doctors in North Carolina →

Other family doctors in Winston Salem

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

All family doctors in Winston Salem →

Other clinicians in Carolina Medicorp Enterprises LLC

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

Clinician information

CredentialDO
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639286412
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians