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

Individual provider Internal Medicine Physician · NPI 1619405123

Natalia Baj-Osiewicz, MD is an Internal Medicine in Flint, Michigan. Qualified in 2013, 13 years ago. Practices with Henry Ford Health Genesys Hospital, a 86-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
13
Licensed in
MI
In the registry since
2017
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

420 S Saginaw St
Flint, MI 48502-1803
Phone: (810) 232-3522
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301507488 (MI)

Record details

NPI number1619405123
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 28, 2017
Last updated in NPPESJune 23, 2022
Certification dateJune 23, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Henry Ford Health Genesys Hospital — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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