Doctor profile · Federal record
Dr. Leon Hwang, M.D.
Hematology & Oncology Physician · Rockville, MD
- NPI 1972659266
- 19 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1396 Piccard Dr
Rockville, MD 208504302
(301) 548-5768
fax (301) 548-5705 - Mailing address
-
9928 Bedfordshire CT
Potomac, MD 208542015
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- January 19, 2022
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Maryland #D45880
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972659266. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
18
Distinct HCPCS
1
Medicare allowed
$2,184
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 11 | $121 |
In context: peer comparison
Among 4 peers in Rockville Hematology & Oncology Physician, average services per provider: 1,992. This provider delivers 0.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,105
Patients
411
Total drug cost
$660,439
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 245 | 88 | $6,222 |
| Prednisone | Generic | 131 | 37 | $1,203 |
| Dexamethasone | Generic | 119 | 33 | $2,786 |
| Abiraterone Acetate | Generic | 108 | 25 | $9,511 |
| Gabapentin | Generic | 70 | 25 | $1,307 |
| Tamoxifen Citrate | Generic | 69 | 28 | $2,078 |
| Prochlorperazine Maleate | Generic | 55 | 39 | $1,127 |
| Ondansetron Odt (Ondansetron) | Brand | 50 | 41 | $521 |
| Hydroxyurea | Generic | 47 | 16 | $2,121 |
| Lenalidomide | Generic | 42 | 15 | $538,614 |
Frequently asked questions
What is Dr. Leon Hwang's medical specialty?
Dr. Leon Hwang practices Hematology & Oncology Physician in Rockville, MD.
Where does Dr. Leon Hwang practice?
Dr. Leon Hwang practices at 1396 Piccard Dr, Rockville, MD 208504302. Office phone: 3015485768.
What is Dr. Leon Hwang's NPI?
Dr. Leon Hwang's National Provider Identifier (NPI) is 1972659266, issued by NPPES.
What procedures does Dr. Leon Hwang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.