Robert J. Mertz, OD
- Medicare patients, 2024
- 278
- Part D claims, 2024
- 124
- MIPS score, 2024
- 82
- Industry payments
- $121
- Affiliated sites
- 2
- Practice address
- 3051 Cahill Main, Fitchburg, WI 53711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
GHC-SCW Hatchery Hill Clinic
Mammography / Breast Imaging Center · Fitchburg, Wisconsin
Find Robert Mertz'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.
Robert J. Mertz is an optometrist in Fitchburg, Wisconsin
Robert Mertz practices at GHC-SCW Hatchery Hill Clinic in Fitchburg, Wisconsin.
Robert Mertz's NPI, 1174693246, was assigned on November 8, 2006. Robert Mertz graduated from Indiana University - School of Optometry in 1986. Robert Mertz holds Wisconsin license 2157.
- NPI
- 1174693246NPI Registry (opens in a new tab)
- NPI enumeration date
- November 8, 2006
- NPI status
- Active
- 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; and Dmand AI Affiliation Data
Robert J. Mertz practices at GHC-SCW Hatchery Hill Clinic in Fitchburg, Wisconsin
Robert Mertz's primary practice is GHC-SCW Hatchery Hill Clinic, at 3051 Cahill Main, Fitchburg, WI 53711.
- GHC-SCW Hatchery Hill Clinic3051 Cahill Main, Fitchburg, WI 53711
Source: Dmand AI Affiliation Data
Robert J. Mertz is affiliated with 2 sites of care and 1 medical group
Robert Mertz's primary practice is GHC-SCW Hatchery Hill Clinic in Fitchburg, Wisconsin. The medical group on file is Group Health Cooperative of South Central Wisconsin. Dmand AI also links Robert Mertz to 1 more group practice or clinic, named with a free account. Robert Mertz's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Robert J. Mertz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Mertz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| GHC-SCW Hatchery Hill Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert J. Mertz is one of 946 optometrists in Wisconsin
Optometrist is Robert Mertz's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Robert Mertz is licensed in Wisconsin.
Specialties and state licenses
- Optometrist, WisconsinPrimary
Optometrists near Robert Mertz
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
Robert J. Mertz treated 278 Medicare patients in 2024, average age 73
CMS counts 278 Medicare patients who saw Robert Mertz in 2024. The largest group is 65 to 74, with 160 patients. 53% of them have high cholesterol, and 52% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.73, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Robert Mertz's median patient age at 68, with 48% women.
Robert Mertz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Robert Mertz's Medicare patients by sex, 2024
- Women14351%
- Men13549%
Chronic conditions among Robert Mertz's Medicare patients, 2024
- High cholesterol53%
- High blood pressure52%
- Arthritis35%
- Diabetes28%
- Mood disorders17%
- Anxiety16%
- Depression14%
- Ischemic heart disease14%
Share of Medicare patients with each condition. A patient can have several.
Robert Mertz'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
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert J. Mertz wrote 124 Medicare Part D claims in 2024
In 2024, Robert Mertz wrote 124 Medicare Part D claims for 32 patients. 47% of them were for generic drugs.
Robert Mertz's Part D claims by kind of drug, 2024
- Generic58 claims47%
- Brand-name66 claims53%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Robert J. Mertz scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Robert Mertz for performance year 2024, reported as part of a group.
Robert Mertz's MIPS scores, performance year 2024
- 82of 100Final score
- 71.1of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
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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Robert J. Mertz received $121 in industry payments in 2025
CMS Open Payments shows 1 general payment to Robert Mertz from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $121.
Companies that paid Robert Mertz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert J. Mertz graduated from Indiana University - School of Optometry
Robert Mertz graduated from Indiana University - School of Optometry in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Robert J. Mertz'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 | 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 Robert J. Mertz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert J. Mertz's NPI number?
Robert J. Mertz's NPI number is 1174693246. It was assigned on November 8, 2006, and it is active in the NPI Registry.
What does Robert J. Mertz specialize in?
Robert J. Mertz is an optometrist in Fitchburg, Wisconsin. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Robert J. Mertz practice?
Robert Mertz practices at 3051 Cahill Main, Fitchburg, WI 53711. Robert Mertz's primary practice is GHC-SCW Hatchery Hill Clinic in Fitchburg, Wisconsin. Dmand AI also links Robert Mertz to 1 group practice or clinic.
What is Robert J. Mertz's medical license number?
Robert Mertz holds Wisconsin license 2157.
What medical group is Robert J. Mertz part of?
Robert Mertz is linked to Group Health Cooperative of South Central Wisconsin.
What is Robert J. Mertz's MIPS score?
Robert Mertz's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Robert J. Mertz see?
CMS counts 278 Medicare patients who saw Robert Mertz in 2024, with an average age of 73.
Where did Robert J. Mertz go to medical school?
Robert Mertz graduated from Indiana University - School of Optometry in 1986.
Has Robert J. Mertz received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Robert Mertz from 1 company from 2025 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Robert J. Mertz been practicing?
Robert Mertz graduated from medical school in 1986, 40 years ago.
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