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NICHOLAS MARTIN ONKEN O.D.
NPI 1639506397
Optometrist in Birmingham, AL

Active since September 26, 2013PECOS EnrolledAccepts Medicare Assignment
2019 HIGHLAND AVE S, BIRMINGHAM, AL 35205(205) 328-2020(205) 918-9096 Get Directions Write a Review

NPPES record last updated: February 22, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Nicholas Martin Onken O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NICHOLAS MARTIN ONKEN O.D. (NPI 1639506397) is an individual optometrist in Birmingham, Alabama, licensed in Alabama (R-237-TA-A03) and active in the NPI registry since September 2013. He is enrolled in Medicare PECOS and is a graduate of New England College Of Optometry (2013).

NPPES Registry Identity

NPI1639506397
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameNICHOLAS MARTIN ONKENCredential: O.D.
Location Address2019 HIGHLAND AVE SBirmingham, AL 35205-3801
Mailing Address1950 Old Gallows Rd Ste 520Vienna, VA 22182-3970
Phone(205) 328-2020
Fax(205) 918-9096
Sole ProprietorYes
Medical School CMSNew England College Of OptometryGraduated 2013
Enumeration DateSeptember 26, 2013
Last NPPES UpdateFebruary 22, 2022
NPPES CertifiedFebruary 22, 2022
✔ NPI 1639506397 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in AL · R-237-TA-A03
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
2019 HIGHLAND AVE S, Birmingham, AL 35205
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Magnolia Health, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nicholas Martin Onken O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42442709
PECOS Enrollment IDI20141203000563
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.31 typical visit price
range $52.65 – $161.63
Typical copayment $30.57 (range $13.16 – $40.40)
Most-billed visit code 99204
Established Patient
$66.08 typical visit price
range $16.56 – $131.65
Typical copayment $16.52 (range $4.14 – $32.91)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. PATRICIA C. BENJAMIN O.D.
Optometrist
2019 HIGHLAND AVE S
BIRMINGHAM, AL 35205
Jefferson County (205) 328-2020
MYEYEDR OPTOMETRY OF ALABAMA LLC
Optometrist
2019 HIGHLAND AVE S
BIRMINGHAM, AL 35205
Jefferson County (205) 328-2020

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nicholas Onken's NPI number?

The NPI number for Nicholas Onken is 1639506397. It was assigned to this individual provider in the NPPES registry on September 26, 2013.

Where is Nicholas Onken located?

Nicholas Onken practices at 2019 Highland Ave S, Birmingham, AL 35205. The listed phone number is (205) 328-2020.

What is Nicholas Onken's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Nicholas Onken enrolled in Medicare?

Yes. Nicholas Onken is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nicholas Onken accept?

Health plans from Ambetter Health, Ambetter from Magnolia Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross Blue Shield of Wyoming and 7 other insurers list Nicholas Onken as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nicholas Onken was last updated on February 22, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.