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

Cassidy Obermark, OD

Individual provider Optometrist · NPI 1841546074

Cassidy Obermark, OD is an Optometry in Sikeston, Missouri. Graduated from University of Missouri St Louis - School of Optometry in 2012, 14 years ago. Practices with Dr Daniel R. Obermark Optometry PC, a 2-clinician group and accepts Medicare assignment. Licensed in Missouri and Oklahoma.

Years since qualifying
14
Trained at
University of Missouri St Louis - School of Optometry
Licensed in
MO, OK
In the registry since
2012
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

1250 N Main St
Sikeston, MO 63801-4827
Phone: (573) 471-1080
Fax: (573) 471-1810
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 2013021015 (MO)
Optometrist Taxonomy 152W00000X · Licence 2743 (OK)

Record details

NPI number1841546074
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 25, 2012
Last updated in NPPESAugust 19, 2013

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF MISSOURI ST LOUIS - SCHOOL OF OPTOMETRY
Graduated 2012 (14 years in practice)
Group practice Dr. Daniel R. Obermark Optometry Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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