DR. WILLIAM COLIN SMITH O.D.
NPI 1497138341
Optometrist in Milwaukee, WI
About Dr. William Colin Smith O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM COLIN SMITH O.D. (NPI 1497138341) is an individual optometrist in Milwaukee, Wisconsin, licensed in Wisconsin (3389-35) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted 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. William Colin Smith O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Smith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Creek, WI 53154
- Reassigned Medicare billing, Wisconsin enrollment
- 4 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53220 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 William Smith's NPI number?
The NPI number for William Smith is 1497138341. It was assigned to this individual provider in the NPPES registry on July 9, 2015.
Where is William Smith located?
William Smith practices at 3925 S 76th St, Milwaukee, WI 53220. The listed phone number is (262) 352-2560.
What is William Smith's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is William Smith enrolled in Medicare?
Yes. William Smith is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Smith reassigns Medicare benefits to Mueller Eye Care LLC (Oak Creek, WI). 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 William Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Smith 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 5 other insurers list William Smith 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 William Smith was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. William Colin Smith, O.D. · NPI 1497138341
Optometrist provider in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since July 9, 2015.
## Identity
- **NPI:** 1497138341 (Entity type: Individual)
- **Enumerated:** July 9, 2015
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 3389-35 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3925 S 76TH ST, Milwaukee, WI 53220-2320
- **Phone:** (262) 352-2560 · **Fax:** (414) 543-9130
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Mueller Eye Care LLC (NPI 1275265878, Oak Creek, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1497138341) · Data from the CMS NPPES public registry.