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

Dr. Amy J Williams, OD

Individual provider Optometrist · NPI 1811979289

Dr. Amy J Williams, OD is an Optometry in Defiance, Ohio. Graduated from Indiana University - School of Optometry in 1994, 32 years ago. Practices with Promedica Central Physicians, a 784-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
32
Trained at
Indiana University - School of Optometry
Licensed in
OH
In the registry since
2005
Specialties on file
2
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

1252 Ralston Ave Ste 400
Defiance, OH 43512-1480
Phone: (419) 782-6588
Fax: (419) 784-3622
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3330 Meijer Dr # 1, Toledo, OH 43617-3103 — (419) 578-2020

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT.004600 (OH)
Optometrist Taxonomy 152W00000X · Licence 4600T1343 (OH)

Record details

NPI number1811979289
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedNovember 18, 2005
Last updated in NPPESNovember 3, 2023
Certification dateJune 6, 2023

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolINDIANA UNIVERSITY - SCHOOL OF OPTOMETRY
Graduated 1994 (32 years in practice)
Group practice Promedica Central Physicians — 784 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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