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

Individual provider Internal Medicine Physician · NPI 1609260884

Dr. Olivia Maslon Siwoski, MD is an Internal Medicine in Kalamazoo, Michigan. Qualified in 2015, 11 years ago. Practices with Bronson Methodist Hospital, a 719-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
11
Licensed in
MI
In the registry since
2015
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

601 John St
Kalamazoo, MI 49007-5341
Phone: (269) 341-8481
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 965 S Bailey Ave Ste 101, South Haven, MI 49090-6743 — (269) 639-2777

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301503659 (MI)

Record details

NPI number1609260884
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2015
Last updated in NPPESDecember 7, 2021
Certification dateDecember 7, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Bronson Methodist Hospital — 719 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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