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Internal Medicine

Mahmoud S. Khalifa, MD

Works at hospitals in Daytona Beach, FL · Palm Coast, FL · Florida

Summary

Dr. Mahmoud S. Khalifa, MD is an internal medicine doctor at 1055 Saxon Blvd, Orange City, FL 32763. Phone: (386) 917-5000. Accepts Medicare assignment. In 2024, Mahmoud S. Khalifa had 363 Original Medicare patients and 991 services. NPI 1023660198. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1055 Saxon Blvd, Orange City, FL 32763 · Directions (1 more location)
  • Phone: (386) 917‑5000
  • Medicare: Accepts Medicare assignment
  • Hospitals: AdventHealth Daytona Beach, AdventHealth Palm Coast
  • Group practice: Florida Hospital Healthcare Partners, Inc
  • Medical school: graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Mahmoud S. Khalifa, 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 Mahmoud S. Khalifa accept Medicare assignment?
Yes. Medicare's clinician data says Mahmoud S. Khalifa 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 Mahmoud S. Khalifa see?
In 2024, CMS data shows 363 Original Medicare patients and 991 services for Mahmoud S. Khalifa. This counts Original Medicare only and measures volume, not quality.
What is Mahmoud S. Khalifa's NPI number?
1023660198. 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 Mahmoud S. Khalifa, 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 patients363
Services billed to Medicare991
Different services or procedures11
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)376 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)237 services
  3. Hospital discharge day management, more than 30 minutes (99239)206 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)68 services
  5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)52 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%
  • Arthritis66%
  • Chronic kidney disease61%
  • Ischemic heart disease60%
  • Diabetes50%

Hospitals where Mahmoud S. Khalifa works

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

Group practices

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

  • Florida Hospital Healthcare Partners, Inc642 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Orange City

Clinicians with the same Medicare primary specialty in Orange City, FL — not a recommendation.

All internal medicine doctors in Orange City →

Other clinicians in Florida Hospital Healthcare Partners, Inc

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

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023660198
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