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DR. LEON CHRISTOPHER HWANG M.D.
NPI 1972659266
Internal Medicine - Hematology & Oncology in Rockville, MD

Active since January 26, 2007PECOS Enrolled
1396 PICCARD DR, ROCKVILLE, MD 20850(301) 548-5768(301) 548-5705 Get Directions Write a Review

NPPES record last updated: January 19, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Leon Christopher Hwang M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEON CHRISTOPHER HWANG M.D. (NPI 1972659266) is an individual hematology & oncology provider in Rockville, Maryland, licensed in Maryland (D45880) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972659266
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. LEON CHRISTOPHER HWANGCredential: M.D.
Location Address1396 PICCARD DRRockville, MD 20850-4302
Mailing Address9928 Bedfordshire CtPotomac, MD 20854-2015 · (301) 251-2384 · Fax (301) 548-5705
Phone(301) 548-5768
Fax(301) 548-5705
Sole ProprietorNo
Enumeration DateJanuary 26, 2007
Last NPPES UpdateJanuary 19, 2022
NPPES CertifiedJanuary 19, 2022
✔ NPI 1972659266 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MD · D45880
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1396 PICCARD DR, Rockville, MD 20850
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leon Christopher Hwang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETELHEM BELAINEH
Radiologic Technologist (Mammography)
1396 PICCARD DR
ROCKVILLE, MD 20850
Montgomery County (301) 548-5700
DR. CHARLES JOSEPH CONLON MD
Pediatrics (Developmental - Behavioral Pediatrics)
1396 PICCARD DR, KAISER PERMANENTE SHADY GROVE MEDICAL CENTER
ROCKVILLE, MD 20850
Montgomery County (301) 548-5700
KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC
Health Maintenance Organization
1396 PICCARD DR
ROCKVILLE, MD 20850
Montgomery County (301) 641-1034
IBIRONKE ODUYEBO M.D.
Internal Medicine (Gastroenterology)
1396 PICCARD DR
ROCKVILLE, MD 20850
Montgomery County (202) 384-4056
IRINA BOBROVA SHERMAN MD
Internal Medicine
1396 PICCARD DR, SHADY GROVE
ROCKVILLE, MD 20850
Montgomery County (301) 548-5700
MS. KARLA JEAN ABNEY LGSW, LMSW
Social Worker (Clinical)
1396 PICCARD DR
ROCKVILLE, MD 20850
Montgomery County (571) 654-0139
DEBORAH ANNE AHERN LCSW-C
Social Worker (Clinical)
1396 PICCARD DR
ROCKVILLE, MD 20850
Montgomery County (301) 548-5700
DR. ANITA BANSAL MD
Psychiatry & Neurology (Psychiatry)
1396 PICCARD DR
ROCKVILLE, MD 20850
Montgomery County (301) 548-5700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leon Hwang's NPI number?

The NPI number for Leon Hwang is 1972659266. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is Leon Hwang located?

Leon Hwang practices at 1396 Piccard Dr, Rockville, MD 20850. The listed phone number is (301) 548-5768.

What is Leon Hwang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Leon Hwang enrolled in Medicare?

Yes. Leon Hwang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Leon Hwang was last updated on January 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.