Katherine Hastings Zajac, OD
- Medicare patients, 2024
- 299
- Part D claims, 2024
- 743
- MIPS score, 2024
- 85
- Industry payments
- $31
- Affiliated sites
- 1
- Practice address
- 4099 Embassy Pkwy, Akron, OH 44333
- Practice phone
- Call (330) 835-1844
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northeast Ohio Eye Surgeons, Inc.
Akron, Ohio
Find Katherine Zajac'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.
Katherine Hastings Zajac is an optometrist in Akron, Ohio
Katherine Zajac practices at Northeast Ohio Eye Surgeons, Inc. in Akron, Ohio.
Katherine Zajac's NPI, 1215370143, was assigned on April 10, 2013. Katherine Zajac graduated from Illinois College of Optometry at Chicago in 2013. Katherine Zajac holds Ohio license 6200 T3115.
- NPI
- 1215370143NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416174842
- NPI enumeration date
- April 10, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 835-1844
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Hastings Zajac practices at Northeast Ohio Eye Surgeons, Inc. in Akron, Ohio
Katherine Zajac's primary practice is Northeast Ohio Eye Surgeons, Inc., at 4099 Embassy Pkwy, Akron, OH 44333 in Summit County. The practice phone is (330) 835-1844.
- Northeast Ohio Eye Surgeons, Inc.4099 Embassy Pkwy, Akron, OH 44333 · Summit CountyPhone(330) 835-1844
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine Hastings Zajac is affiliated with 2 sites of care and 1 medical group
Katherine Zajac's primary practice is Northeast Ohio Eye Surgeons, Inc. in Akron, Ohio. Dmand AI also links Katherine Zajac 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 Katherine Hastings Zajac's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Zajac practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northeast Ohio Eye Surgeons, Inc. | 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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Katherine Hastings Zajac is one of 2,779 optometrists in Ohio
Optometrist is Katherine Zajac's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Katherine Zajac is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near Katherine Zajac
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
Katherine Hastings Zajac treated 299 Medicare patients in 2024, average age 74
CMS counts 299 Medicare patients who saw Katherine Zajac in 2024. The largest group is 65 to 74, with 151 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katherine Zajac's median patient age at 71, with 61% women.
Katherine Zajac's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Katherine Zajac's Medicare patients by sex, 2024
- Women19766%
- Men10234%
Chronic conditions among Katherine Zajac's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis46%
- Diabetes26%
- Chronic kidney disease24%
- Ischemic heart disease23%
- Anxiety20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Katherine Zajac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women61%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katherine Hastings Zajac wrote 743 Medicare Part D claims in 2024
In 2024, Katherine Zajac wrote 743 Medicare Part D claims for 229 patients. 68% of them were for generic drugs.
Katherine Zajac's Part D claims by kind of drug, 2024
- Generic502 claims68%
- Brand-name241 claims32%
Drug classes CMS tracks in Katherine Zajac's Part D claims, 2024
- Antibiotics3%21 of 743 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Katherine Hastings Zajac scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Katherine Zajac for performance year 2024, reported as part of a group. Katherine Zajac accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Katherine Zajac's MIPS scores, performance year 2024
- 85of 100Final score
- 77.5of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Katherine Hastings Zajac received $31 in industry payments in 2025
CMS Open Payments shows 2 general payments to Katherine Zajac from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $17.
Companies that paid Katherine Zajac the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Katherine Hastings Zajac graduated from Illinois College of Optometry at Chicago
Katherine Zajac graduated from Illinois College of Optometry at Chicago in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Katherine Hastings Zajac'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) |
| 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 Katherine Hastings Zajac
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine Hastings Zajac's NPI number?
Katherine Hastings Zajac's NPI number is 1215370143. It was assigned on April 10, 2013, and it is active in the NPI Registry.
What does Katherine Hastings Zajac specialize in?
Katherine Hastings Zajac is an optometrist in Akron, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Katherine Hastings Zajac practice?
Katherine Zajac practices at 4099 Embassy Pkwy, Akron, OH 44333. Katherine Zajac's primary practice is Northeast Ohio Eye Surgeons, Inc. in Akron, Ohio. Dmand AI also links Katherine Zajac to 1 group practice or clinic and 1 medical group.
What is Katherine Hastings Zajac's office phone number?
The practice phone on file for Katherine Zajac is (330) 835-1844.
What is Katherine Hastings Zajac's medical license number?
Katherine Zajac holds Ohio license 6200 T3115.
Does Katherine Hastings Zajac accept Medicare?
Yes. CMS lists Katherine Zajac as accepting Medicare assignment.
What is Katherine Hastings Zajac's MIPS score?
Katherine Zajac's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Katherine Hastings Zajac see?
CMS counts 299 Medicare patients who saw Katherine Zajac in 2024, with an average age of 74.
Where did Katherine Hastings Zajac go to medical school?
Katherine Zajac graduated from Illinois College of Optometry at Chicago in 2013.
Has Katherine Hastings Zajac received payments from drug or device companies?
CMS Open Payments shows $31 in general payments to Katherine Zajac from 2 companies from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Katherine Hastings Zajac been practicing?
Katherine Zajac graduated from medical school in 2013, 13 years ago.
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