Provider Profile
Listed in the NPI registry as an optometrist, William I. Dean, OD practices in Grayling, MI. William graduated from Illinois College of Optometry at Chicago in 1985. Medicare claims data shows William provided 441 services to 425 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
904 E MICHIGAN AVE
Grayling, MI 49738
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
441 services · 425 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
182 |
| Photography of the retina | Treatment | 92250 |
166 |
| Imaging of retina | Treatment | 92134 |
34 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
25 |
| New patient complete exam of visual system | Treatment | 92004 |
18 |
| Imaging of optic nerve | Treatment | 92133 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Dean is an optometrist in Grayling, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Dean is listed at 904 E Michigan Ave, Grayling, MI 49738. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (989) 348-3211. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Dean's National Provider Identifier is 1861578957. 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
Dr. Dean attended Illinois College of Optometry at Chicago, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Dean has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Dean provides treatments such as established patient complete exam of visual system and photography of the retina. 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 Dr. Dean. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.