WILLIAM T. KIRN O.D.
NPI 1285659417
Optometrist in Sanford, ME
About William T. Kirn O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM T. KIRN O.D. (NPI 1285659417) is an individual optometrist in Sanford, Maine, licensed in Maine (OPT818) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of New England College Of Optometry (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
William T. Kirn 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.
Medicare Billing Reassignments
2Medicare enrollment records show William Kirn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sanford, ME 04073
- Reassigned Medicare billing, Maine enrollment
- 13 clinicians in this Medicare group
East Waterboro, ME 04030
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Eyecare Specialties Of Maine, P.C.
- 9 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04073 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 18
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 Kirn's NPI number?
The NPI number for William Kirn is 1285659417. It was assigned to this individual provider in the NPPES registry on July 12, 2006.
Where is William Kirn located?
William Kirn practices at 272 Cottage St, Sanford, ME 04073. The listed phone number is (207) 324-8888.
What is William Kirn's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is William Kirn enrolled in Medicare?
Yes. William Kirn 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 William Kirn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Kirn reassigns Medicare benefits to 2 organizations: Associated Eye Care, P.A. (Sanford, ME) and Eyecare Specialties Of Maine PC (East Waterboro, ME). 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 William Kirn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Kirn accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and Providence Health Plan list William Kirn 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 Kirn was last updated on October 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# William T. Kirn, O.D. · NPI 1285659417
Optometrist provider in Sanford, Maine. Individual provider, active in the CMS NPPES registry since July 12, 2006.
## Identity
- **NPI:** 1285659417 (Entity type: Individual)
- **Enumerated:** July 12, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT818 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 272 COTTAGE ST, Sanford, ME 04073-1815
- **Phone:** (207) 324-8888
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Associated Eye Care, P.A. (NPI 1144245150, Sanford, ME); Eyecare Specialties Of Maine PC (NPI 1417884479, East Waterboro, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New England College Of Optometry, class of 1998
## Record status
- **NPPES last updated:** October 29, 2020
- **Other identifiers:** Medicaid 260530099 (ME)
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Source: [NPI Profile](https://npiprofile.com/npi/1285659417) · Data from the CMS NPPES public registry.