Siham Mohieldin Mahgoub, MD
Infectious Disease Internal Medicine
Siham Mohieldin Mahgoub is an Infectious Disease Internal Medicine specialist based in Williamsburg, VA with over 35 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 35 years in internal medicine, Siham Mohieldin Mahgoub, MD is a long-established infectious disease specialist in Williamsburg. She has been practicing since 2006 — over 35 years. CMS Medicare data shows her patients commonly have hypertension and high cholesterol.
Older · 138dNPPES updated 2026-01-06 · verify NPI on CMS · Verify license at Virginia Board of Medicine
Contact & Location
Practice Location
400 Sentara Cir Ste 201b, Williamsburg, VA 23188-5716
How Does This Doctor Compare?
MIPS Score
202362.13/100
Virginia avg: 82.9 · US avg: 83.6
⚠ Lower than most doctors nationally(-21.5 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better20.8%
Virginia avg: 84.1 · US avg: 82.8
⚠ Lower than most doctors nationally(-62 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
22
Unique beneficiaries
Boutique practicePrescription Recipients
18
Patients prescribed
Prescriptions Written
96
Total claims
Total Medicare drug cost: $306k
Percentile rankings compared against 2,357 reporting peers in Virginia.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jan 5, 2026
Self-reported via NPPES
35 years in practice
Senior practitioner
Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.
Taxonomy: 207RI0200X
Virtual Infectious Disease Care With Siham Mohieldin Mahgoub
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Siham Mohieldin Mahgoub for blood pressure monitoring, cholesterol management — no travel to Williamsburg required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Siham Mohieldin Mahgoub
NPI records show Dr. Mahgoub as active with telehealth listed in Williamsburg, VA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (757) 345-4655.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Siham Mohieldin Mahgoub
Practice Location
400 Sentara Cir Ste 201b, Williamsburg, VA 23188-5716
Mailing Address
400 Sentara Cir Ste 201b, Williamsburg, VA 23188-5716
This is a provider directory. Contact the office directly to schedule appointments.
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