Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Stephen Ong, MD

Individual provider Surgery Physician · NPI 1851479281

Dr. Stephen Ong, MD is a Family Practice in Oxon Hill, Maryland. Qualified in 1970, 56 years ago. Practices with Greater Washington Medicenter LLC T/A Healthcare of Greater Washingto, a 5-clinician group and accepts Medicare assignment. Licensed in District of Columbia and Maryland.

Years since qualifying
56
Licensed in
DC, MD
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6357 Oxon Hill Rd
Oxon Hill, MD 20745-2214
Phone: (301) 839-2700
Fax: (301) 839-1354
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence D014760 (MD)
Surgery Physician Taxonomy 208600000X · Licence MD6423 (DC)

Record details

NPI number1851479281
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESMay 10, 2011
Mailing address6357 Oxon Hill Rd, Oxon Hill, MD 20745-2214

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1970 (56 years in practice)
Group practice Greater Washington Medicenter Llc. T/A Healthcare Of Greater Washingto — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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