Dr. Zachary J. Mikolaj, MD
- Medicare services, 2024
- 1,432
- Medicare patients, 2024
- 297
- Part D claims, 2024
- 2,020
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 915 Olentangy River Rd, Columbus, OH 43212
- Practice phone
- Call (614) 293-8566
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSU Eye and Ear Institute
Columbus, Ohio
Find Dr. Mikolaj'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.
Dr. Zachary J. Mikolaj is an ophthalmologist in Columbus, Ohio
Dr. Mikolaj practices at OSU Eye and Ear Institute in Columbus, Ohio.
Dr. Mikolaj's NPI, 1548656218, was assigned on April 9, 2015. Dr. Mikolaj graduated from Ohio State University College of Medicine in 2015. Dr. Mikolaj holds Ohio license 35136438.
- NPI
- 1548656218NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769790138
- NPI enumeration date
- April 9, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (614) 293-8566
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zachary J. Mikolaj practices at OSU Eye and Ear Institute in Columbus, Ohio
Dr. Mikolaj's primary practice is OSU Eye and Ear Institute, at 915 Olentangy River Rd, Columbus, OH 43212 in Franklin County. The practice phone is (614) 293-8566.
- OSU Eye and Ear Institute915 Olentangy River Rd, Columbus, OH 43212 · Franklin CountyPhone(614) 293-8566
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Zachary J. Mikolaj is affiliated with 3 sites of care and 2 medical groups
Dr. Mikolaj's primary practice is OSU Eye and Ear Institute in Columbus, Ohio. Dr. Mikolaj is also affiliated with Ohio State University Hospital. Dmand AI also links Dr. Mikolaj to 2 more medical groups and 1 group practice or clinic, 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 Dr. Zachary J. Mikolaj's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mikolaj practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSU Eye and Ear Institute | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary J. Mikolaj is one of 658 ophthalmologists in Ohio
Ophthalmology is Dr. Mikolaj's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Mikolaj is licensed in Ohio.
Specialties and state licenses
- Ophthalmology, OhioPrimary
Ophthalmologists near Dr. Mikolaj
Counts of ophthalmologists 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
Dr. Zachary J. Mikolaj billed Medicare for 1,432 services in 2024
CMS data shows 1,432 Medicare services from Dr. Mikolaj across 14 procedure codes in 2024, for 297 Medicare patients. Medicare paid $73,359 for them.
Dr. Mikolaj's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4652024: 60430%
- Tests and treatments
- 2023: 3072024: 45849%
- Surgery
- 2023: 252024: 3461284%
- Imaging
- 2023: 302024: 2420%
Where Dr. Mikolaj's Medicare services took place, 2024
- In an office1,12378%
- In a facility30922%
Dr. Mikolaj compared with the Ohio median for ophthalmologists, 2024
- Dr. Mikolaj
- Ohio median
- Medicare services
- 1,432vs 1,18521% above
- Medicare patients
- 297vs 47738% below
- Part D claims
- 1,929vs 6413.0 times
Medians across 673 ophthalmologists in Ohio with Dmand AI profiles that report each measure.
Dr. Mikolaj's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zachary J. Mikolaj treated 297 Medicare patients in 2024, average age 74
CMS counts 297 Medicare patients who saw Dr. Mikolaj in 2024. The largest group is 65 to 74, with 136 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mikolaj's median patient age at 68, with 55% women.
Dr. Mikolaj's Medicare patients by age, 2024
Dr. Mikolaj's Medicare patients by sex, 2024
- Women15151%
- Men14649%
Chronic conditions among Dr. Mikolaj's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis49%
- Diabetes33%
- Ischemic heart disease28%
- Mood disorders27%
- Depression25%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mikolaj's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zachary J. Mikolaj wrote 2,020 Medicare Part D claims in 2024
In 2024, Dr. Mikolaj wrote 2,020 Medicare Part D claims for 365 patients. 78% of them were for generic drugs. CMS names the drug for 1,929 of them, across 18 drugs with 11 or more claims each, at $66,367 in total drug cost. In 2023, CMS named 981 claims across 14 drugs.
Dr. Mikolaj's Part D claims by kind of drug, 2024
- Generic1,567 claims78%
- Brand-name453 claims22%
Dr. Mikolaj's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9812024: 1,92997%
Drugs named by CMS: 18 in 2024, 14 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Zachary J. Mikolaj ranks in the 76th percentile for cataract surgery in Medicare
Dr. Mikolaj accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 112 procedures of cataract surgery by Dr. Mikolaj, more than 76% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mikolaj ranks in Medicare procedure volume
- Cataract surgery
- 76th percentile112 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Zachary J. Mikolaj graduated from Ohio State University College of Medicine
Dr. Mikolaj graduated from Ohio State University College of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Zachary J. Mikolaj'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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)Doctors and Clinicians Utilization Data (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 Dr. Zachary J. Mikolaj
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Zachary J. Mikolaj's NPI number?
Dr. Zachary J. Mikolaj's NPI number is 1548656218. It was assigned on April 9, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary J. Mikolaj?
Dr. Zachary J. Mikolaj is an ophthalmologist in Columbus, Ohio. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Zachary J. Mikolaj practice?
Dr. Mikolaj practices at 915 Olentangy River Rd, Columbus, OH 43212. Dr. Mikolaj's primary practice is OSU Eye and Ear Institute in Columbus, Ohio. Dmand AI also links Dr. Mikolaj to 2 medical groups and 1 group practice or clinic.
What is Dr. Zachary J. Mikolaj's office phone number?
The practice phone on file for Dr. Mikolaj is (614) 293-8566.
What is Dr. Zachary J. Mikolaj's medical license number?
Dr. Mikolaj holds Ohio license 35136438.
Which hospitals is Dr. Zachary J. Mikolaj affiliated with?
Dr. Mikolaj is affiliated with Ohio State University Hospital.
Does Dr. Zachary J. Mikolaj accept Medicare?
Yes. CMS data shows Dr. Mikolaj billed Medicare for 1,432 services in 2024, and Dr. Mikolaj accepts Medicare assignment.
How many Medicare patients does Dr. Zachary J. Mikolaj see?
CMS counts 297 Medicare patients who saw Dr. Mikolaj in 2024, with an average age of 74.
What services does Dr. Zachary J. Mikolaj bill to Medicare?
In 2024, Dr. Mikolaj's most billed Medicare services were office visit, established patient (99213), surgery: eye (66984) and eye exam or test (92133).
Where did Dr. Zachary J. Mikolaj go to medical school?
Dr. Mikolaj graduated from Ohio State University College of Medicine in 2015.
What drugs does Dr. Zachary J. Mikolaj prescribe most?
In 2024 Medicare Part D data, Dr. Mikolaj's most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Dorzolamide-Timolol.
How long has Dr. Zachary J. Mikolaj been practicing?
Dr. Mikolaj graduated from medical school in 2015, 11 years ago.
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