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

Dr. Thomas Michael Grischow, OD

Individual provider Optometrist · NPI 1932132818

Dr. Thomas Michael Grischow, OD is an Optometry in Warren, Ohio. Graduated from Ohio State University - College of Optometry in 1993, 33 years ago. Practices with Eye Care Associates, Inc, a 14-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
33
Trained at
Ohio State University - College of Optometry
Licensed in
OH
In the registry since
2006
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

4060 N River Rd NE
Warren, OH 44484-1039
Phone: (330) 746-7691
Show map & directions

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

Additional practice locations (2)

  • 1075 W Western Reserve Rd, Poland, OH 44514-3541 — (330) 746-7691
  • 10 Dutton Dr, Youngstown, OH 44502-1818 — (330) 746-7691

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT004457 (OH)

Record details

NPI number1932132818
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESJanuary 14, 2025
Certification dateJanuary 14, 2025
Mailing address10 Dutton Dr, Suite 200, Youngstown, OH 44502-1818

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOHIO STATE UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 1993 (33 years in practice)
Group practice Eye Care Associates, Inc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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