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

Dr. Samuel Chijioke Onyewu, MBCHB

Individual provider Anesthesiology Physician · NPI 1770901514

Dr. Samuel Chijioke Onyewu, MBCHB is an Anesthesiology in Baltimore, Maryland. Qualified in 2009, 17 years ago. Practices with Mary Washington Healthcare Specialty Services, LLC, a 137-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Connecticut, Maryland, Pennsylvania and Virginia.

Years since qualifying
17
Licensed in
CT, MD, PA, VA
In the registry since
2014
Specialties on file
4

Practice location Address checks out

22 S Greene St Fl 11
Baltimore, MD 21201-1544
Phone: (667) 214-1616
Fax: (410) 328-1674
Show map & directions

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

Additional practice locations (4)

  • 1200 S Cedar Crest Blvd Fl 2, Allentown, PA 18103-6202 — (610) 402-6164
  • 1201 Sam Perry Blvd Ste 101, Fredericksburg, VA 22401-4490 — (540) 741-7614
  • 1001 Sam Perry Blvd, Fredericksburg, VA 22401-4453 — (540) 741-7614
  • 101 Hospital Center Blvd, Stafford, VA 22554-6200 — (540) 741-7614

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence D0082177 (MD)
Anesthesiology Physician Taxonomy 207L00000X · Licence 66462 (CT)
Anesthesiology Physician Taxonomy 207L00000X · Licence 0101262259 (VA)
Anesthesiology Physician Taxonomy 207L00000X · Licence MD494523 (PA)

Record details

NPI number1770901514
Entity typeIndividual (Type 1)
GenderMale
Credentials MBCHB
Sole proprietorNo
NPI enumeratedMarch 30, 2014
Last updated in NPPESJuly 20, 2026
Certification dateJuly 20, 2026

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Also practisesPAIN MANAGEMENT
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Mary Washington Healthcare Specialty Services, Llc — 137 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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