DR. NANCY ELIZABETH GUENTHNER O.D.
NPI 1639335128
Optometrist in Round Rock, TX

Q: What is Nancy Guenthner's NPI number?

The NPI number for Nancy Guenthner is 1639335128. It was assigned to this individual provider in the NPPES registry on August 4, 2008.

Q: What is Nancy Guenthner'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 Nancy Guenthner was last updated on June 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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 August 04, 2008PECOS EnrolledAccepts Medicare Assignment

17261 SMYERS LN STE 100, ROUND ROCK, TX 78681(512) 501-2100(512) 827-2074 Get Directions Write a Review

NPPES record last updated: June 27, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Nancy Elizabeth Guenthner O.d. NPPES

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

DR. NANCY ELIZABETH GUENTHNER O.D. (NPI 1639335128) is an individual optometrist in Round Rock, Texas, licensed in Texas (7212TG) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (2008).

NPPES Registry Identity

NPI1639335128

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDR. NANCY ELIZABETH GUENTHNERCredential: O.D.

Location Address17261 SMYERS LN STE 100Round Rock, TX 78681-2496

Mailing Address17261 Smyers Ln Ste 100Round Rock, TX 78681-2496 · (512) 501-2100 · Fax (512) 827-2074

Phone(512) 501-2100

Fax(512) 827-2074

Sole ProprietorNo

Medical School CMSUniversity Of Houston - College Of OptometryGraduated 2008

Enumeration DateAugust 4, 2008

Last NPPES UpdateJune 27, 2022

NPPES CertifiedJune 27, 2022

✔ NPI 1639335128 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 TX · 7212TG

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.

17261 SMYERS LN STE 100, Round Rock, TX 78681

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana 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

Dr. Nancy Elizabeth Guenthner 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 ID8325103872

PECOS Enrollment IDI20090217000117

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 78681 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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.

ASPIRE VISION CARE, PLLC

Optometrist

17261 SMYERS LN STE 100
ROUND ROCK, TX 78681

Williamson County (512) 501-2100

DR. LARISSA JANELLE RODRIGUEZ OD

Optometrist

17261 SMYERS LN STE 100
ROUND ROCK, TX 78681

Williamson County (512) 501-2100

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 Nancy Guenthner's NPI number?

The NPI number for Nancy Guenthner is 1639335128. It was assigned to this individual provider in the NPPES registry on August 4, 2008.

Where is Nancy Guenthner located?

Nancy Guenthner practices at 17261 Smyers Ln Ste 100, Round Rock, TX 78681. The listed phone number is (512) 501-2100.

What is Nancy Guenthner's specialty?

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

Is Nancy Guenthner enrolled in Medicare?

Yes. Nancy Guenthner 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 Nancy Guenthner accept?

Health plans from Baylor Scott and White Health Plan, 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 4 other insurers list Nancy Guenthner 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 Nancy Guenthner was last updated on June 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.