DR. ABBY M. THOMAS O.D.
NPI 1841302320
Optometrist in Winterset, IA

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
102 N 1ST AVE, WINTERSET, IA 50273(515) 462-1254(217) 641-0028 Get Directions Write a Review

NPPES record last updated: February 23, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Abby M. Thomas O.d. NPPES

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

DR. ABBY M. THOMAS O.D. (NPI 1841302320) is an individual optometrist in Winterset, Iowa, licensed in Iowa (02363) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (2006).

NPPES Registry Identity

NPI1841302320
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. ABBY M. THOMASCredential: O.D.
Location Address102 N 1ST AVEWinterset, IA 50273-1551
Mailing Address2445 Broadway StQuincy, IL 62301-3257 · (217) 214-0299 · Fax (217) 641-0028
Fax(217) 641-0028
Sole ProprietorNo
Medical School CMSIllinois College Of Optometry At ChicagoGraduated 2006
Enumeration DateAugust 31, 2006
Last NPPES UpdateFebruary 23, 2018
✔ NPI 1841302320 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 IA · 02363
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.
102 N 1ST AVE, Winterset, IA 50273

Other Identifiers 1

Medicaid1841302320IA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Abby M. Thomas 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 ID749359404
PECOS Enrollment IDI20080521000055
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 Reassignments

3

Medicare enrollment records show Abby Thomas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Optometrist
102 N 1ST AVE
Winterset, IA 50273
  • Reassigned Medicare billing, Iowa enrollment
  • 5 clinicians in this Medicare group
Optometrist
2628 BEAVER AVE
Des Moines, IA 50310
  • Reassigned Medicare billing, Iowa enrollment
  • 4 clinicians in this Medicare group
Optometrist
2445 BROADWAY ST
Quincy, IL 62301
  • Reassigned Medicare billing, Iowa enrollment
  • 7 clinicians in this Medicare group

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 7

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 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.
207 services206 patients
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.
77 services58 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).
32 services30 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.
28 services28 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.
23 services23 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.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50273 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
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 3

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

Optometrist
102 N 1ST AVE
WINTERSET, IA 50273
Optometrist
102 N 1ST AVE
WINTERSET, IA 50273
Optometrist
102 N 1ST AVE
WINTERSET, IA 50273

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 Abby Thomas's NPI number?

The NPI number for Abby Thomas is 1841302320. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Abby Thomas located?

Abby Thomas practices at 102 N 1st Ave, Winterset, IA 50273. The listed phone number is (515) 462-1254.

What is Abby Thomas's specialty?

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

Is Abby Thomas enrolled in Medicare?

Yes. Abby Thomas 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.

Which organizations bill Medicare for Abby Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abby Thomas reassigns Medicare benefits to 3 organizations: Aeg Iowa Professional PC (Winterset, IA), Beaverdale Eye PC (Des Moines, IA) and International Eyecare Center LLC (Quincy, IL). Each 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 Abby Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Abby Thomas 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 11 other insurers list Abby Thomas 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 Abby Thomas was last updated on February 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.