William T. Kirn, OD
- Medicare patients, 2024
- 307
- Part D claims, 2024
- 361
- MIPS score, 2024
- 86
- Industry payments
- $160
- Affiliated sites
- 1
- Practice address
- 65 Portland Rd, Kennebunk, ME 04043
- Practice phone
- Call (207) 324-8888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Associated Eye Care, P.A.
Kennebunk, Maine
Find William Kirn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William T. Kirn is an optometrist in Kennebunk, Maine
William Kirn practices at Associated Eye Care, P.A. in Kennebunk, Maine.
William Kirn's NPI, 1285659417, was assigned on July 12, 2006. William Kirn graduated from New England College of Optometry in 1998. William Kirn holds Maine license OPT818.
- NPI
- 1285659417NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658315312
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 324-8888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William T. Kirn practices at Associated Eye Care, P.A. in Kennebunk, Maine
William Kirn's primary practice is Associated Eye Care, P.A., at 65 Portland Rd, Kennebunk, ME 04043 in York County. The practice phone is (207) 324-8888.
- Associated Eye Care, P.A.65 Portland Rd, Kennebunk, ME 04043 · York CountyPhone(207) 324-8888
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William T. Kirn is affiliated with 2 sites of care and 1 medical group
William Kirn's primary practice is Associated Eye Care, P.A. in Kennebunk, Maine. Dmand AI also links William Kirn to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William T. Kirn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Kirn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Associated Eye Care, P.A. | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William T. Kirn is one of 261 optometrists in Maine
Optometrist is William Kirn's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Kirn is licensed in Maine.
Specialties and state licenses
- Optometrist, MainePrimary
Optometrists near William Kirn
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William T. Kirn treated 307 Medicare patients in 2024, average age 77
CMS counts 307 Medicare patients who saw William Kirn in 2024. The largest group is 75 to 84, with 136 patients. 71% of them have high cholesterol, and 67% have high blood pressure. 10% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Kirn's median patient age at 74, with 59% women.
William Kirn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Kirn's Medicare patients by sex, 2024
- Women18360%
- Men12440%
Chronic conditions among William Kirn's Medicare patients, 2024
- High cholesterol71%
- High blood pressure67%
- Arthritis44%
- Diabetes24%
- Chronic kidney disease23%
- Mood disorders20%
- Anxiety19%
- Ischemic heart disease17%
Share of Medicare patients with each condition. A patient can have several.
William Kirn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William T. Kirn wrote 361 Medicare Part D claims in 2024
In 2024, William Kirn wrote 361 Medicare Part D claims for 91 patients. 65% of them were for generic drugs.
William Kirn's Part D claims by kind of drug, 2024
- Generic233 claims65%
- Brand-name128 claims35%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William T. Kirn scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for William Kirn for performance year 2024, reported as part of a group. William Kirn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of cataract surgery by William Kirn, more than 36% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
William Kirn's MIPS scores, performance year 2024
- 86of 100Final score
- 71.6of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where William Kirn ranks in Medicare procedure volume
- Cataract surgery
- 36th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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William T. Kirn received $160 in industry payments in 2025
CMS Open Payments shows 4 general payments to William Kirn from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $145.
Companies that paid William Kirn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William T. Kirn graduated from New England College of Optometry
William Kirn graduated from New England College of Optometry in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William T. Kirn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William T. Kirn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William T. Kirn's NPI number?
William T. Kirn's NPI number is 1285659417. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What does William T. Kirn specialize in?
William T. Kirn is an optometrist in Kennebunk, Maine. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William T. Kirn practice?
William Kirn practices at 65 Portland Rd, Kennebunk, ME 04043. William Kirn's primary practice is Associated Eye Care, P.A. in Kennebunk, Maine. Dmand AI also links William Kirn to 1 group practice or clinic and 1 medical group.
What is William T. Kirn's office phone number?
The practice phone on file for William Kirn is (207) 324-8888.
What is William T. Kirn's medical license number?
William Kirn holds Maine license OPT818.
Does William T. Kirn accept Medicare?
Yes. CMS lists William Kirn as accepting Medicare assignment.
What is William T. Kirn's MIPS score?
William Kirn's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does William T. Kirn see?
CMS counts 307 Medicare patients who saw William Kirn in 2024, with an average age of 77.
Where did William T. Kirn go to medical school?
William Kirn graduated from New England College of Optometry in 1998.
Has William T. Kirn received payments from drug or device companies?
CMS Open Payments shows $160 in general payments to William Kirn from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has William T. Kirn been practicing?
William Kirn graduated from medical school in 1998, 28 years ago.
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