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

Onyema Nnanna, MD

Individual provider Internal Medicine Physician · NPI 1164872768

Onyema Nnanna, MD is a Hospitalist in Chesterfield, Missouri. Qualified in 2009, 17 years ago. Practices with Missouri Hb Medical Services LLC, a 78-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
17
Licensed in
MO
In the registry since
2016
Specialties on file
2
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

222 S Woods Mill Rd
Chesterfield, MO 63017-3625
Phone: (314) 205-6050
Fax: (314) 434-5939
Show map & directions

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

Additional practice locations (1)

  • 1101 W Liberty St, Farmington, MO 63640-1921 — (573) 705-1272

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 2019023516 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2019023516 (MO)

Record details

NPI number1164872768
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2016
Last updated in NPPESOctober 14, 2024
Certification dateOctober 14, 2024

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Missouri Hb Medical Services Llc — 78 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Chesterfield