Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BROOKE ASHTON CASTILLO OD
NPI 1881539666
Optometrist in Fremont, MI

Active since April 20, 2026PECOS Enrolled
1231 W MAIN ST, FREMONT, MI 49412(231) 924-2700 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Brooke Ashton Castillo Od NPPES

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

BROOKE ASHTON CASTILLO OD (NPI 1881539666) is an individual optometrist in Fremont, Michigan, licensed in Michigan (4901005978) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881539666
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameBROOKE ASHTON CASTILLOCredential: OD
Location Address1231 W MAIN STFremont, MI 49412-1484
Mailing Address307 Maplebrooke LnCadillac, MI 49601-8763
Sole ProprietorNo
Enumeration DateApril 20, 2026
Last NPPES UpdateJune 16, 2026
NPPES CertifiedJune 16, 2026
NPI 1881539666 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 MI · 4901005978
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.
1231 W MAIN ST, Fremont, MI 49412

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Brooke Ashton Castillo Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 49412 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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 5

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

Optometrist
1231 W MAIN ST
FREMONT, MI 49412
Optometrist
1231 W MAIN ST
FREMONT, MI 49412
Clinic/Center (Physical Therapy)
1231 W MAIN ST, SUITE B
FREMONT, MI 49412
Optometrist
1231 W MAIN ST
FREMONT, MI 49412
Physical Therapist
1231 W MAIN ST, SUITE B
FREMONT, MI 49412

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 Brooke Castillo's NPI number?

The NPI number for Brooke Castillo is 1881539666. It was assigned to this individual provider in the NPPES registry on April 20, 2026.

Where is Brooke Castillo located?

Brooke Castillo practices at 1231 W Main St, Fremont, MI 49412. The listed phone number is (231) 924-2700.

What is Brooke Castillo's specialty?

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

Is Brooke Castillo enrolled in Medicare?

Yes. Brooke Castillo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Brooke Castillo was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.