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

Dr. Mark A. Dumbauld, OD

Individual provider Optometrist · NPI 1891784658

Dr. Mark A. Dumbauld, OD is an Optometry in East Palestine, Ohio. Graduated from Ohio State University - College of Optometry in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
35
Trained at
Ohio State University - College of Optometry
Licensed in
OH
In the registry since
2005
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

55 W Martin St
East Palestine, OH 44413-1761
Phone: (330) 426-3428
Fax: (330) 426-3428
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4276 (OH)

Record details

NPI number1891784658
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedOctober 14, 2005
Last updated in NPPESJune 26, 2008

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOHIO STATE UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare