Physician Profile
Based in Washington, DC, Ghassan Ilaiwy, M.D. is listed in the NPI registry under internal medicine. According to Medicare claims data, Ghassan cared for 125 Medicare patients across 125 services. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1588059752 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
110 IRVING ST NW DEPARTMENT OF INTERNAL MEDICINE
Washington, DC 20010
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
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Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
125 services · 125 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
77 | More often than most peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
37 | As often as other peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
11 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Ghassan Ilaiwy is an internist in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Ghassan Ilaiwy is listed at 110 Irving St Nw Department of Internal Medicine, Washington, DC 20010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (202) 877-2835. Contact the office directly to confirm availability and scheduling.
NPI registry
Ghassan Ilaiwy's National Provider Identifier is 1588059752. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Ghassan Ilaiwy attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Ghassan Ilaiwy has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Ghassan Ilaiwy the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Ghassan Ilaiwy. If this is you, claiming it is free.
Guide.md
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