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

Dr. Sylvester Obanya Okonkwo, MD

Individual provider Internal Medicine Physician · NPI 1801897582

Dr. Sylvester Obanya Okonkwo, MD is an Internal Medicine in Oxon Hill, Maryland. Qualified in 1987, 39 years ago. Accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
39
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6192 Oxon Hill Rd Ste 507
Oxon Hill, MD 20745-3114
Phone: (301) 839-0800
Fax: (301) 839-8088
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0055314 (MD)

Record details

NPI number1801897582
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 3, 2005
Last updated in NPPESDecember 26, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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