DR. NIKOLAS S DIEMER (OD) – Optometrist, NPI 1588766281
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Provider Addresses for DR. NIKOLAS S DIEMER (OD)
1000, Kiwanis Drive, Freeport, Stephenson County, Illinois, 61032, United States
FREEPORT, IL 610326921
Phone: (815) 235-6177
Fax: (815) 235-6180
Mailing address matches the actual address.
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Medicare Enrollment & Revalidation
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Medicare Utilization (FFS)
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Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 66984 | Removal of cataract with insertion of prosthetic lens | 3,329 | 24 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 307 | 295 | $0 |
| 92250 | Photography of the retina | 185 | 180 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 113 | 81 | $0 |
| 92133 | Imaging of optic nerve | 50 | 44 | $0 |
Insurance plans in this area (ZIP 61032)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPTOMETRY | IL | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 213 | 117 |
| OPTOMETRY | IL | 92083 | Measurement of field of vision during daylight conditions | 38 | 36 |
| OPTOMETRY | IL | 92134 | Diagnostic imaging of retina | 21 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | IL | |
| O P T O M E T R Y | IL | |
| O P T O M E T R Y | IL | |
| O P T O M E T R Y | IL | |
| O P T O M E T R Y | IL |
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