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Family Practice

John H. Hayden Jr., MD

Works at hospitals in Charleston, SC · South Carolina

Summary

Dr. John H. Hayden Jr., MD is a family doctor at 1619 Carolina Ave, Orangeburg, SC 29115. Phone: (803) 531-7474. Accepts Medicare assignment. In 2024, John H. Hayden Jr. had 101 Original Medicare patients and 234 services. NPI 1598721243. 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.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1619 Carolina Ave, Orangeburg, SC 29115 · Directions (1 more location)
  • Phone: (803) 531‑7474
  • Medicare: Accepts Medicare assignment
  • Hospital: MUSC Medical Center
  • Group practice: MUSC Community Physicians (+1 more)
  • Medical school: University Of South Carolina School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John H. Hayden Jr., 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 H. Hayden Jr. accept Medicare assignment?
Yes. Medicare's clinician data says John H. Hayden Jr. 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 H. Hayden Jr. see?
In 2024, CMS data shows 101 Original Medicare patients and 234 services for John H. Hayden Jr.. This counts Original Medicare only and measures volume, not quality.
What is John H. Hayden Jr.'s NPI number?
1598721243. 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 H. Hayden Jr., 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 patients101
Services billed to Medicare234
Different services or procedures11
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Hemoglobin a1c level (83036)137 services
  2. Detection test by immunoassay with direct visual observation for influenza virus (87804)30 services
  3. Automated urinalysis test (81003)16 services
  4. Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)13 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%
  • Diabetes66%
  • Chronic kidney disease47%
  • Arthritis38%
  • Ischemic heart disease28%

Hospitals where John H. Hayden Jr. works

Medicare's Facility Affiliation Data lists John H. Hayden Jr. 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.

  • MUSC Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420004

Practice locations

Addresses where John H. Hayden Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists John H. Hayden Jr. as a member of these groups (CMS data updated October 2, 2026).

  • MUSC Community Physicians1,544 clinicians in the group
  • Edisto Regional Health Services Inc16 clinicians in the group

Specialties

Find other Family Practice doctors in South Carolina →

Other family doctors in Orangeburg

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

All family doctors in Orangeburg →

Other clinicians in MUSC Community Physicians

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 year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598721243
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