NPPES file of Aug 9, 2026

Mahmoud S. Khalifa, MD

Internal Medicine Physician · Lake Mary, FL

Mahmoud S. Khalifa, MD is an internal medicine physician with a practice address in Lake Mary, Florida, and NPI 1023660198, issued on Jul 9, 2019. Check the license (Florida ME155253, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023660198
Name
Mahmoud S. Khalifa
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
ME155253 FL
Self-reported in NPPES; status is on the state search
Practice location
380 Rinehart RD, Lake Mary, FL 32746
Phone
(321) 842-2994
Enumerated
Jul 9, 2019
Record last updated
Jul 31, 2026
Fax
(321) 842-1852
Medicare enrollment
Enrolled (PECOS I20220912002997); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 380 Rinehart RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Yamil Cardel, M.D.Obesity Medicine (Preventive Medicine) Physician1144514902
  2. Yaneidy Carpenter, APRNAdult Health Nurse Practitioner1710717624
  3. Alain Chamoun, D.O.Internal Medicine Physician1821544230
  4. Samantha Day, CRNACertified Registered Nurse Anesthetist1417656042
  5. Tarryn HarrisInpatient Obstetric Registered Nurse1043181738
  6. Samantha Illanez, MSWSocial Worker1073258547

Verify Mahmoud S. Khalifa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME155253
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

637 Medicare Part D claims for 236 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 58 claims were for opioids.

  1. Mahmoud Khalifa637
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass31 claims
  2. Atorvastatin Calcium31 claims
  3. Pantoprazole Sodium31 claims
  4. Doxycycline Hyclate25 claims
  5. Prednisone24 claims
  6. Amlodipine Besylate20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Florida Hospital Healthcare Partners, IncOrange City, FL
  2. Sound Physicians OF Florida IV, LLCPalm Coast, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mahmoud S. Khalifa among 10,151 internal medicine physician records in Florida

Mahmoud S. Khalifa, MD is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 82% of them.

  • NPI issued2019 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2014 · median 2004 among the 6,606 with a school on file
  • Record last updated2026 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 internal medicine physician records list a practice address in Lake Mary

They are 56 of the 1,935 NPPES records with a practice address in Lake Mary, and 10,151 internal medicine physician records in Florida.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Janet CoyleLake Mary, FL 327461801896741
  2. Glen Davis, M.D.Lake Mary, FL 327461689617813
  3. Vincent DisilvestroLake Mary, FL 327461740228436
  4. Zia Fatemi, MDLake Mary, FL 327461144244625
  5. Elena Gabor, M.D.Lake Mary, FL 327461417909821
  6. Glenda Gonzalez-Couvertier, M.D.Lake Mary, FL 327461508859299
  7. Hasib Ibnerasa, M.D.Lake Mary, FL 327461821056516
  8. Amir Kaldas, MDLake Mary, FL 327461316914526

Common questions

What is Mahmoud S. Khalifa, MD's NPI number?

Mahmoud S. Khalifa, MD's National Provider Identifier (NPI) is 1023660198, issued on Jul 9, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mahmoud S. Khalifa, MD located?

The NPPES record lists a practice address at 380 Rinehart RD, Lake Mary, FL, 32746. Phone: (321) 842-2994. Providers update this record themselves, so call before visiting.

How can I verify Mahmoud S. Khalifa, MD's license?

NPPES lists Florida license number ME155253, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mahmoud S. Khalifa, MD prescribe under Medicare Part D?

In 2024, Mahmoud S. Khalifa, MD had 637 Medicare Part D claims for 236 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.