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

Nicholas Martin Onken, OD

Individual provider Optometrist · NPI 1639506397

Nicholas Martin Onken, OD is an Optometry in Birmingham, Alabama. Graduated from New England College of Optometry in 2013, 13 years ago. Practices with University of Alabama at Birmingham, a 94-clinician group and accepts Medicare assignment. Licensed in Alabama.

Years since qualifying
13
Trained at
New England College of Optometry
Licensed in
AL
In the registry since
2013
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

2019 Highland Ave S
Birmingham, AL 35205-3801
Phone: (205) 328-2020
Fax: (205) 918-9096
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence R-237-TA-A03 (AL)

Record details

NPI number1639506397
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedSeptember 26, 2013
Last updated in NPPESFebruary 22, 2022
Certification dateFebruary 22, 2022

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolNEW ENGLAND COLLEGE OF OPTOMETRY
Graduated 2013 (13 years in practice)
Group practice University Of Alabama At Birmingham — 94 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Birmingham