DR. ALEXANDER CHUKWUEMEKA NNABUE O.D
NPI 1043382450
Optometrist in Mitchellville, MD

Q: What is Alexander Nnabue's NPI number?

The NPI number for Alexander Nnabue is 1043382450. It was assigned to this individual provider in the NPPES registry on November 14, 2006. The provider is also known as Dr. Alexander Chukwuemeka Nnabue O.D.

Q: What is Alexander Nnabue's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Alexander Nnabue was last updated on December 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 14, 2006PECOS Enrolled

10240 LAKE ARBOR WAY, MITCHELLVILLE, MD 20721(301) 324-9500(301) 324-9502 Get Directions Write a Review

NPPES record last updated: December 9, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Alexander Chukwuemeka Nnabue O.d NPPES

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

DR. ALEXANDER CHUKWUEMEKA NNABUE O.D (NPI 1043382450) is an individual optometrist in Mitchellville, Maryland, licensed in Maryland (TA1277) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Pennsylvania College Of Optometry (1994).

NPPES Registry Identity

NPI1043382450

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. ALEXANDER CHUKWUEMEKA NNABUECredential: O.D

Location Address10240 LAKE ARBOR WAYMitchellville, MD 20721-3113

Mailing Address317 Haviland Mill RdBrookeville, MD 20833-2312 · (301) 324-9500 · Fax (301) 324-9502

Phone(301) 324-9500

Fax(301) 324-9502

Sole ProprietorNo

Medical School CMSPennsylvania College Of OptometryGraduated 1994

Enumeration DateNovember 14, 2006

Last NPPES UpdateDecember 9, 2024

NPPES CertifiedDecember 9, 2024

✔ NPI 1043382450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in MD · TA1277

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.

Also ListedOptometrist · Corneal and Contact ManagementTaxonomy 152WC0802X · License TA1277 (MD)

Also ListedOptometrist · Low Vision RehabilitationTaxonomy 152WL0500X · License TA1277 (MD)

Also ListedOptometrist · PediatricsTaxonomy 152WP0200X · License TA1277 (MD)

Also ListedOptometrist · Sports VisionTaxonomy 152WS0006X · License TA1277 (MD)

Also ListedOptometrist · Vision TherapyTaxonomy 152WV0400X · License TA1277 (MD)

Also ListedOptometrist · Occupational VisionTaxonomy 152WX0102X · License TA1277 (MD)

10240 LAKE ARBOR WAY, Mitchellville, MD 20721

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Other Names 1

Professional Name (2)Dr. Alexander Chukwuemeka Nnabue O.d

Other Identifiers 3

Medicaid026458100DC

Medicaid690741500MD

Medicaid69074150MD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexander Chukwuemeka Nnabue O.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1456319508

PECOS Enrollment IDI20041221000863, I20150109001370

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.

Medicare Billing Reassignment

Medicare enrollment records show Alexander Nnabue reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr. Alexander C Nnabue And Associates PA

10 mi

Corneal and Contact Management

8931 WOODYARD RD
Clinton, MD 20735

Reassigned Medicare billing, District of Columbia and Maryland enrollments
5 clinicians in this Medicare group

NPI 1245479336 (301) 877-1770

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

742 services379 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

260 services221 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

203 services199 patients

Analysis of substance using immunoassay technique, multiple step method 83516

This procedure involves the use of an immunoassay, a highly sensitive technique, to detect and measure substances in your body. It involves multiple steps and is commonly used in diagnosing and monitoring various health conditions.

201 services87 patients

Microfluid analysis of tears 83861

Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.

193 services84 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

179 services136 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

170 services160 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

141 services120 patients

Evaluation of eye adaptation to light and dark with interpretation and report 92284

This procedure checks how your eyes adjust to different light conditions. In a dimly lit room, your eyes are first exposed to bright light. Then, the lights are turned off to see how quickly your eyes adapt to darkness. This helps identify any potential vision problems.

138 services118 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

132 services106 patients

Measurement of retinal and optic nerve function 92273

This procedure checks the health of your eyes, specifically the retina and optic nerve. These parts help in visual interpretation. The test involves non-invasive techniques to measure your eye's response to light and assess its functioning.

116 services111 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

99 services91 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

86 services78 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

75 services75 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

55 services46 patients

Pattern recording of retinal electrical responses to external stimuli with interpretation and report 0509T

This procedure records the electrical responses of your retina to light stimuli. It helps understand how your eye cells are functioning. A report is prepared interpreting the results, aiding in diagnosis and treatment planning.

17 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20721 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

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. ADAEZE ASHLEY NNABUE OD

Optometrist

10240 LAKE ARBOR WAY
MITCHELLVILLE, MD 20721

Prince George's County (301) 324-9500

DR ALEXANDER C. NNABUE AND ASSOCIATES,PA

Optometrist

10240 LAKE ARBOR WAY
MITCHELLVILLE, MD 20721

Prince George's County (301) 324-9500

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 Alexander Nnabue's NPI number?

The NPI number for Alexander Nnabue is 1043382450. It was assigned to this individual provider in the NPPES registry on November 14, 2006. The provider is also known as Dr. Alexander Chukwuemeka Nnabue O.D.

Where is Alexander Nnabue located?

Alexander Nnabue practices at 10240 Lake Arbor Way, Mitchellville, MD 20721. The listed phone number is (301) 324-9500.

What is Alexander Nnabue's specialty?

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

Is Alexander Nnabue enrolled in Medicare?

Yes. Alexander Nnabue is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexander Nnabue's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Nnabue reassigns Medicare benefits to Dr. Alexander C Nnabue And Associates PA (Clinton, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Nnabue's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexander Nnabue accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Alexander Nnabue 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 Alexander Nnabue was last updated on December 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.