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

Ralph Oiknine, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1255365581

Ralph Oiknine, MD is an Endocrinology in Chesterfield, Missouri. Qualified in 1999, 27 years ago. Practices with Diabetes and Endocrinology Specialists Inc, a 3-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
27
Licensed in
MO
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

222 S Woods Mill Rd
Chesterfield, MO 63017-3625
Phone: (314) 469-6224
Fax: (314) 469-0744
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 214732 (MO)

Record details

NPI number1255365581
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESSeptember 30, 2011
Mailing address222 S Woods Mill Rd, Suite 410n, Chesterfield, MO 63017-3625

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Diabetes And Endocrinology Specialists Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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