OrganizationActive
Thomas M Grischow OD Inc
NPI 1558544460 · Optometrist · Austintown, OH
Thomas M Grischow OD Inc is a Optometrist organization in Austintown, OH (NPI 1558544460).
Provider details
- NPI number
- 1558544460
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Thomas Grischow, Owner/President(330) 792-0820
- License
- 4457 (OH)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
6000 Mahoning Ave
Ste 200
Austintown, OH 44515-2225
Phone: (330) 792-0820
Fax: (330) 792-0843
Street-level locationGet directions
Mailing address
6000 Mahoning Ave
Austintown, OH 44515-2225
Registry dates
- Enumerated
- 2007-12-13
- Last updated
- 2007-12-17
Frequently asked questions
- What is Thomas M Grischow OD Inc's NPI number?
- Thomas M Grischow OD Inc's National Provider Identifier (NPI) is 1558544460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thomas M Grischow OD Inc?
- Thomas M Grischow OD Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Thomas M Grischow OD Inc located?
- Thomas M Grischow OD Inc's practice location on file with NPPES is 6000 Mahoning Ave, Austintown, OH 44515-2225.
- What is Thomas M Grischow OD Inc's phone number?
- The practice phone number listed in the NPPES registry for Thomas M Grischow OD Inc is (330) 792-0820.
- Who is the authorized official for Thomas M Grischow OD Inc?
- The authorized official listed on Thomas M Grischow OD Inc's NPPES record is Thomas Grischow, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thomas M Grischow OD Inc's NPI active?
- Yes — Thomas M Grischow OD Inc's NPI (1558544460) is active in the NPPES registry as of the last update on 2007-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.