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

Dr. Diana Okuniewski, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1184831547

Dr. Diana Okuniewski, DO is an Obstetrics & Gynecology Physician in Marshall, Michigan. Works from 2 locations. Licensed in Maine, Michigan and Rhode Island.

Licensed in
ME, MI, RI
In the registry since
2007
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

215 E Mansion St Ste 3D
Marshall, MI 49068-1167
Phone: (269) 558-0702
Show map & directions

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

Additional practice locations (1)

  • 1445 Sheldon Rd, Grand Haven, MI 49417-2480 — (616) 847-2500

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence L1125376 (MI)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 2245 (ME)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence DO01107 (RI)

Record details

NPI number1184831547
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 16, 2007
Last updated in NPPESMay 23, 2025
Certification dateMay 23, 2025

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