Nikolas S. Diemer, OD
- Part D claims, 2024
- 174
- MIPS score, 2024
- 87
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1000 Kiwanis Dr, Freeport, IL 61032-6921
- Practice phone
- Call (815) 235-6177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwest Eyecare - Freeport (Kiwanis Dr)
Eye care practice · Freeport, Illinois
Find Nikolas Diemer's professional email, personal email and mobile number
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Nikolas S. Diemer is an optometrist in Freeport, Illinois
Nikolas Diemer practices at Northwest Eyecare - Freeport (Kiwanis Dr) in Freeport, Illinois.
Nikolas Diemer's NPI, 1588766281, was assigned on September 2, 2006. Nikolas Diemer graduated from Illinois College of Optometry at Chicago in 2004.
- NPI
- 1588766281NPI Registry (opens in a new tab)
- NPI enumeration date
- September 2, 2006
- NPI status
- Active
- Practice phone
- (815) 235-6177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nikolas S. Diemer practices at Northwest Eyecare - Freeport (Kiwanis Dr) in Freeport, Illinois
Nikolas Diemer's primary practice is Northwest Eyecare - Freeport (Kiwanis Dr), at 1000 Kiwanis Dr, Freeport, IL 61032-6921. The practice phone is (815) 235-6177.
- Northwest Eyecare - Freeport (Kiwanis Dr)1000 Kiwanis Dr, Freeport, IL 61032-6921Phone(815) 235-6177
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nikolas S. Diemer is affiliated with 1 site of care and 1 medical group
Nikolas Diemer's primary practice is Northwest Eyecare - Freeport (Kiwanis Dr) in Freeport, Illinois. Dmand AI also links Nikolas Diemer to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Nikolas S. Diemer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nikolas Diemer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Eyecare - Freeport (Kiwanis Dr) | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Nikolas S. Diemer is one of 2,194 optometrists in Illinois
Optometrist is Nikolas Diemer's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Nikolas Diemer has a license on file in Illinois.
Specialties and state licenses
- Optometrist, Illinois
Optometrists near Nikolas Diemer
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
Nikolas S. Diemer's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Nikolas Diemer's median patient age at 73, with 50% women.
Nikolas Diemer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Nikolas S. Diemer wrote 174 Medicare Part D claims in 2024
In 2024, Nikolas Diemer wrote 174 Medicare Part D claims for 65 patients. 79% of them were for generic drugs.
Nikolas Diemer's Part D claims by kind of drug, 2024
- Generic137 claims79%
- Brand-name37 claims21%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Nikolas S. Diemer scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Nikolas Diemer for performance year 2024, reported as part of a group.
Nikolas Diemer's MIPS scores, performance year 2024
- 87of 100Final score
- 73.5of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Nikolas S. Diemer graduated from Illinois College of Optometry at Chicago
Nikolas Diemer graduated from Illinois College of Optometry at Chicago in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Nikolas S. Diemer'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 Nikolas S. Diemer
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What is Nikolas S. Diemer's NPI number?
Nikolas S. Diemer's NPI number is 1588766281. It was assigned on September 2, 2006, and it is active in the NPI Registry.
What does Nikolas S. Diemer specialize in?
Nikolas S. Diemer is an optometrist in Freeport, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Nikolas S. Diemer practice?
Nikolas Diemer practices at 1000 Kiwanis Dr, Freeport, IL 61032-6921. Nikolas Diemer's primary practice is Northwest Eyecare - Freeport (Kiwanis Dr) in Freeport, Illinois. Dmand AI also links Nikolas Diemer to 1 medical group.
What is Nikolas S. Diemer's office phone number?
The practice phone on file for Nikolas Diemer is (815) 235-6177.
What is Nikolas S. Diemer's MIPS score?
Nikolas Diemer's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
Where did Nikolas S. Diemer go to medical school?
Nikolas Diemer graduated from Illinois College of Optometry at Chicago in 2004.
How long has Nikolas S. Diemer been practicing?
Nikolas Diemer graduated from medical school in 2004, 22 years ago.
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