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

Thomas M. Grischow, OD, Inc

Organization Optometrist · NPI 1144340589

Thomas M. Grischow, OD, Inc is an Optometrist in Warren, Ohio. Licensed in Ohio. Registered with an NPI since 2007.

Licensed in
OH
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

199 Niles Cortland Rd SE
Warren, OH 44484-2426
Phone: (330) 856-1782
Fax: (330) 856-2760
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4457 T1113 (OH)

Record details

NPI number1144340589
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Thomas Grischow — President · (330) 856-1782
Other names Howland Eye Center
NPI enumeratedMarch 30, 2007
Last updated in NPPESApril 20, 2008
Mailing address199 Niles Cortland Rd Se, Warren, OH 44484-2426

Other providers in Warren