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Edit this profileThomas M. Grischow, O.D. is an optometrist based in Warren, OH. Thomas is a 1993 graduate of Ohio State University - College of Optometry. According to Medicare claims data, Thomas cared for 1,207 Medicare patients across 1,295 services. The services billed most often include established patient complete exam of visual system, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and imaging of retina. The provider's National Provider Identifier (NPI) is 1932132818.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4060 N RIVER RD NE
Warren, OH 44484
10 Dutton Dr Suite 200
Youngstown, OH 44502
1075 W Western Reserve Rd
Poland, OH 44514
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
Most searched procedures
Contact lens exams
Dry eye treatments
Examinations
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
Imaging & tests
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
1,295 services · 1,207 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
12 | Less often than most peers in Optometrist |
| Established patient complete exam of visual system | Treatment | 92014 |
444 | More than most peers in Optometrist |
| Imaging of retina | Treatment | 92134 |
176 | More than most peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
121 | More often than most peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
110 | More often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
72 | More often than most peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
326 | More than most peers in Optometrist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
34 | As often as other peers in Optometrist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Thomas M. Grischow is an optometrist in Warren, OH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Thomas M. Grischow is listed at 4060 N River Rd Ne, Warren, OH 44484. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (330) 746-7691. Contact the office directly to confirm availability and scheduling.
NPI registry
Thomas M. Grischow's National Provider Identifier is 1932132818. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Thomas M. Grischow attended Ohio State University - College of Optometry, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Thomas M. Grischow has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Thomas M. Grischow performs imaging including ultrasound scan of cornea to determine thickness; provides treatments such as established patient complete exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Thomas M. Grischow. If this is you, claiming it is free.
Guide.md
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