Doctor profile · Federal record
Dr. Ghassan Ilaiwy, M.D.
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Washington, DC
- NPI 1588059752
- Accepts Medicare
- 13 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
110 Irving St Nw, Department of Internal Medicine
Washington, DC 20010
(202) 877-2835
fax (202) 877-8288 - Mailing address
-
2300 Fall Hill Ave Ste 515
Fredericksburg, VA 224013371
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- January 31, 2024
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Virginia #0101263994
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588059752. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
90
Distinct HCPCS
2
Medicare allowed
$13,188
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 48 | 48 | $164 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 42 | 42 | $127 |
In context: peer comparison
Among 43 peers in Washington Hospitalist Physician, average services per provider: 123. This provider delivers 0.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
148
Patients
13
Total drug cost
$538,592
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 91 | 13 | $363,199 |
| Odefsey (Emtricitab/Rilpiviri/Tenof Ala) | Brand | 19 | 0 | $67,873 |
| Triumeq (Abacavir/Dolutegravir/Lamivudi) | Brand | 14 | 0 | $54,325 |
| Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) | Brand | 13 | 0 | $52,944 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 11 | 0 | $252 |
Frequently asked questions
What is Dr. Ghassan Ilaiwy's medical specialty?
Dr. Ghassan Ilaiwy practices Hospitalist Physician in Washington, DC.
Where does Dr. Ghassan Ilaiwy practice?
Dr. Ghassan Ilaiwy practices at 110 Irving St Nw, Washington, DC 20010. Office phone: 2028772835.
What is Dr. Ghassan Ilaiwy's NPI?
Dr. Ghassan Ilaiwy's National Provider Identifier (NPI) is 1588059752, issued by NPPES.
Does Dr. Ghassan Ilaiwy accept Medicare assignment?
Yes. Dr. Ghassan Ilaiwy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ghassan Ilaiwy commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.