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ERYN CAUDILL OD
NPI 1225488950
Optometrist in Spearfish, SD

Active since June 14, 2016PECOS EnrolledAccepts Medicare Assignment
1420 NORTH AVE, SPEARFISH, SD 57783(605) 642-0387 Get Directions Write a Review

NPPES record last updated: June 14, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Eryn Caudill Od NPPES

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

ERYN CAUDILL OD (NPI 1225488950) is an individual optometrist in Spearfish, South Dakota, licensed in South Dakota (728) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (2016).

NPPES Registry Identity

NPI1225488950
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameERYN CAUDILLCredential: OD
Location Address1420 NORTH AVESpearfish, SD 57783-1541
Mailing Address1420 North AveSpearfish, SD 57783-1541 · (605) 642-0387
Phone(605) 642-0387
Sole ProprietorNo
Medical School CMSIllinois College Of Optometry At ChicagoGraduated 2016
Enumeration DateJune 14, 2016
✔ NPI 1225488950 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 SD · 728
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.
1420 NORTH AVE, Spearfish, SD 57783
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Avera Health Plans, Providence Health Plan 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 and accepts Medicare assignment

Eryn Caudill Od 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 ID7012202567
PECOS Enrollment IDI20160823000509
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

2

Medicare enrollment records show Eryn Caudill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Optical P C
Same address
Optometrist
1420 NORTH AVE STE 1
Spearfish, SD 57783
  • Reassigned Medicare billing, South Dakota enrollment
  • 4 clinicians in this Medicare group
NPI 1003950122 (605) 642-0387
Kathryn O Haivala, Od PLLC
0.1 mi
Health Service
1710 NORTH AVE
Spearfish, SD 57783
  • Reassigned Medicare billing, South Dakota enrollment
  • 4 clinicians in this Medicare group
NPI 1548874084 (605) 642-8480

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 6

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.
84 services83 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.
27 services25 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.
25 services23 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.
20 services20 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.
20 services20 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).
18 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57783 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
$126.78 typical visit price
range $55.52 – $167.23
Typical copayment $31.69 (range $13.88 – $41.80)
Most-billed visit code 99204
Established Patient
$69.20 typical visit price
range $18.08 – $137.08
Typical copayment $17.30 (range $4.52 – $34.27)
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

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

TAMMY KAY HERSCH O.D.
Optometrist
1420 NORTH AVE, SUITE 1
SPEARFISH, SD 57783
Lawrence County (605) 642-0390

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 Eryn Caudill's NPI number?

The NPI number for Eryn Caudill is 1225488950. It was assigned to this individual provider in the NPPES registry on June 14, 2016.

Where is Eryn Caudill located?

Eryn Caudill practices at 1420 North Ave, Spearfish, SD 57783. The listed phone number is (605) 642-0387.

What is Eryn Caudill's specialty?

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

Is Eryn Caudill enrolled in Medicare?

Yes. Eryn Caudill 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 Eryn Caudill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eryn Caudill reassigns Medicare benefits to 2 organizations: Family Optical P C (Spearfish, SD) and Kathryn O Haivala, Od PLLC (Spearfish, SD). 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 Eryn Caudill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Eryn Caudill accept?

Health plans from Anthem Blue Cross and Blue Shield, Avera Health Plans, Providence Health Plan, Sanford Health Plan and UnitedHealthcare and 1 other insurer list Eryn Caudill 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 Eryn Caudill was last updated on June 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.