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

Individual provider Optometrist · NPI 1669821062

Dr. Nicholas A Castellano, OD is an Optometry in Saint Louis, Missouri. Graduated from University of Missouri St Louis - School of Optometry in 2016, 10 years ago. Practices with The Koetting Associates Inc, a 3-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
10
Trained at
University of Missouri St Louis - School of Optometry
Licensed in
MO
In the registry since
2016
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

2511 S Brentwood Blvd
Saint Louis, MO 63144-2308
Phone: (314) 863-0000
Fax: (314) 961-1041
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 2016017805 (MO)

Record details

NPI number1669821062
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 7, 2016
Last updated in NPPESJune 7, 2016

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF MISSOURI ST LOUIS - SCHOOL OF OPTOMETRY
Graduated 2016 (10 years in practice)
Group practice The Koetting Associates Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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