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Internal Medicine

Yazan Haddadin, MD

Works at hospitals in Florence, SC · Orlando, FL · South Carolina, Florida

Summary

Dr. Yazan Haddadin, MD is an internal medicine doctor at 555 E Cheves St, Florence, SC 29506. Phone: (843) 777-2000. Accepts Medicare assignment. In 2024, Yazan Haddadin had 183 Original Medicare patients and 528 services. NPI 1942464391. 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 Yazan Haddadin, 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 Yazan Haddadin accept Medicare assignment?
Yes. Medicare's clinician data says Yazan Haddadin 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 Yazan Haddadin see?
In 2024, CMS data shows 183 Original Medicare patients and 528 services for Yazan Haddadin. This counts Original Medicare only and measures volume, not quality.
What is Yazan Haddadin's NPI number?
1942464391. 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 Yazan Haddadin, 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 patients183
Services billed to Medicare528
Different services or procedures16
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)297 services
  2. Critical care, first 30-74 minutes (99291)150 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)24 services
  4. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)17 services
  5. Insertion of artery tube for blood sampling or infusion through skin (36620)11 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%
  • Heart failure66%
  • Chronic kidney disease61%
  • Diabetes52%
  • Arthritis50%

Hospitals where Yazan Haddadin works

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

Group practices

Medicare enrollment lists Yazan Haddadin as a member of these groups (CMS data updated October 2, 2026).

  • McLeod Regional Medical Center of the Pee Dee Inc406 clinicians in the group
  • Intensivist Medicine Services of Fl LLC26 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in Florence

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

All internal medicine doctors in Florence →

Other clinicians in McLeod Regional Medical Center of the Pee Dee Inc

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)
NPI (National Provider Identifier)1942464391
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