Jon E. Mark, OD
- Medicare patients, 2024
- 552
- Part D claims, 2024
- 1,034
- MIPS score, 2024
- 90
- Industry payments
- $97
- Affiliated sites
- 2
- Practice address
- 2251 Dubois Dr, Warsaw, IN 46580
- Practice phone
- Call (574) 269-3777
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grossnickle Eye Surgery Center
Surgery Center - Medicare-Certified · Warsaw, Indiana
Find Jon Mark'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.
Jon E. Mark is an optometrist in Warsaw, Indiana
Jon Mark practices at Grossnickle Eye Surgery Center in Warsaw, Indiana.
Jon Mark's NPI, 1508869942, was assigned on May 31, 2005. Jon Mark graduated from Indiana University - School of Optometry in 1986. Jon Mark holds Indiana license 18002230A.
- NPI
- 1508869942NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597800227
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (574) 269-3777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jon E. Mark practices at Grossnickle Eye Surgery Center in Warsaw, Indiana
Jon Mark's primary practice is Grossnickle Eye Surgery Center, at 2251 Dubois Dr, Warsaw, IN 46580. The practice phone is (574) 269-3777.
- Grossnickle Eye Surgery Center2251 Dubois Dr, Warsaw, IN 46580Phone(574) 269-3777
Source: Dmand AI Affiliation Data
Jon E. Mark is affiliated with 2 sites of care and 1 medical group
Jon Mark's primary practice is Grossnickle Eye Surgery Center in Warsaw, Indiana. Dmand AI also links Jon Mark to 1 group practice or clinic and 1 medical group, each named with a free account. Jon Mark's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jon E. Mark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jon Mark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grossnickle Eye Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Jon E. Mark is one of 1,172 optometrists in Indiana
Optometrist is Jon Mark's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Jon Mark is licensed in Indiana.
Specialties and state licenses
- Optometrist, IndianaPrimary
Optometrists near Jon Mark
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
Jon E. Mark treated 552 Medicare patients in 2024, average age 77
CMS counts 552 Medicare patients who saw Jon Mark in 2024. The largest group is 75 to 84, with 251 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jon Mark's median patient age at 77, with 60% women.
Jon Mark's Medicare patients by age, 2024
Jon Mark's Medicare patients by sex, 2024
- Women34162%
- Men21138%
Chronic conditions among Jon Mark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes30%
- Ischemic heart disease30%
- Chronic kidney disease23%
- Atrial fibrillation19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Jon Mark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jon E. Mark wrote 1,034 Medicare Part D claims in 2024
In 2024, Jon Mark wrote 1,034 Medicare Part D claims for 251 patients. 70% of them were for generic drugs.
Jon Mark's Part D claims by kind of drug, 2024
- Generic723 claims70%
- Brand-name311 claims30%
Drug classes CMS tracks in Jon Mark's Part D claims, 2024
- Antibiotics2%21 of 1,034 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
Jon E. Mark scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Jon Mark for performance year 2024, reported as part of a group. Jon Mark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Jon Mark's MIPS scores, performance year 2024
- 90of 100Final score
- 91.4of 100Quality
- 40of 100Improvement Activities
- 78of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Jon E. Mark received $97 in industry payments in 2025
CMS Open Payments shows 5 general payments to Jon Mark from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $82.
Companies that paid Jon Mark the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Jon E. Mark graduated from Indiana University - School of Optometry
Jon Mark graduated from Indiana University - School of Optometry in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jon E. Mark'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Jon E. Mark
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jon E. Mark's NPI number?
Jon E. Mark's NPI number is 1508869942. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What does Jon E. Mark specialize in?
Jon E. Mark is an optometrist in Warsaw, Indiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Jon E. Mark practice?
Jon Mark practices at 2251 Dubois Dr, Warsaw, IN 46580. Jon Mark's primary practice is Grossnickle Eye Surgery Center in Warsaw, Indiana. Dmand AI also links Jon Mark to 1 group practice or clinic and 1 medical group.
What is Jon E. Mark's office phone number?
The practice phone on file for Jon Mark is (574) 269-3777.
What is Jon E. Mark's medical license number?
Jon Mark holds Indiana license 18002230A.
Does Jon E. Mark accept Medicare?
Yes. CMS lists Jon Mark as accepting Medicare assignment.
What is Jon E. Mark's MIPS score?
Jon Mark's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Jon E. Mark see?
CMS counts 552 Medicare patients who saw Jon Mark in 2024, with an average age of 77.
Where did Jon E. Mark go to medical school?
Jon Mark graduated from Indiana University - School of Optometry in 1986.
Has Jon E. Mark received payments from drug or device companies?
CMS Open Payments shows $97 in general payments to Jon Mark from 2 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Jon E. Mark been practicing?
Jon Mark graduated from medical school in 1986, 40 years ago.
Selling to optometrist practices?
See optometrists in Indiana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card