Dr. Mark L. Goelzer, MD
- Part D claims, 2024
- 267
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3524 E Milwaukee St, Janesville, WI 53546
- Practice phone
- Call (608) 741-7630
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mhs Physician Services
Janesville, Wisconsin
Find Dr. Goelzer's professional email, personal email and mobile number
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Dr. Mark L. Goelzer is a pediatrician in Janesville, Wisconsin
Dr. Goelzer practices at Mhs Physician Services in Janesville, Wisconsin.
Dr. Goelzer's NPI, 1619902111, was assigned on July 12, 2006. Dr. Goelzer graduated from University of Wisconsin School of Medicine in 1973. Dr. Goelzer holds Wisconsin license 21490-20.
- NPI
- 1619902111NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Practice phone
- (608) 741-7630
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark L. Goelzer practices at Mhs Physician Services in Janesville, Wisconsin
Dr. Goelzer's primary practice is Mhs Physician Services, at 3524 E Milwaukee St, Janesville, WI 53546 in Rock County. The practice phone is (608) 741-7630.
- Mhs Physician Services3524 E Milwaukee St, Janesville, WI 53546 · Rock CountyPhone(608) 741-7630
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark L. Goelzer is affiliated with 2 sites of care and 1 medical group
Dr. Goelzer's primary practice is Mhs Physician Services in Janesville, Wisconsin. The medical group on file is Mercyhealth. Dmand AI also links Dr. Goelzer to 1 more group practice or clinic, 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. Mark L. Goelzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Goelzer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mhs Physician Services | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark L. Goelzer is one of 948 pediatricians in Wisconsin
Pediatrics is Dr. Goelzer's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Goelzer is licensed in Wisconsin.
Specialties and state licenses
- Pediatrics, WisconsinPrimary
Pediatricians near Dr. Goelzer
Counts of pediatricians 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. Mark L. Goelzer's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Goelzer's median patient age at 11, with 45% women.
Dr. Goelzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Mark L. Goelzer wrote 267 Medicare Part D claims in 2024
In 2024, Dr. Goelzer wrote 267 Medicare Part D claims for 173 patients. 4% of them were for generic drugs. CMS names the drug for 223 of them, across 5 drugs with 11 or more claims each, at $42,589 in total drug cost. In 2023, CMS named 313 claims across 2 drugs.
Dr. Goelzer's Part D claims by kind of drug, 2024
- Generic12 claims4%
- Brand-name255 claims96%
Dr. Goelzer'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: 3132024: 22329%
Drugs named by CMS: 5 in 2024, 2 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
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Dr. Mark L. Goelzer graduated from University of Wisconsin School of Medicine
Dr. Goelzer graduated from University of Wisconsin School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark L. Goelzer'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 Data |
| 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) |
| 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. Mark L. Goelzer
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What is Dr. Mark L. Goelzer's NPI number?
Dr. Mark L. Goelzer's NPI number is 1619902111. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark L. Goelzer?
Dr. Mark L. Goelzer is a pediatrician in Janesville, Wisconsin. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Mark L. Goelzer practice?
Dr. Goelzer practices at 3524 E Milwaukee St, Janesville, WI 53546. Dr. Goelzer's primary practice is Mhs Physician Services in Janesville, Wisconsin. Dmand AI also links Dr. Goelzer to 1 group practice or clinic.
What is Dr. Mark L. Goelzer's office phone number?
The practice phone on file for Dr. Goelzer is (608) 741-7630.
What is Dr. Mark L. Goelzer's medical license number?
Dr. Goelzer holds Wisconsin license 21490-20.
What medical group is Dr. Mark L. Goelzer part of?
Dr. Goelzer is linked to Mercyhealth.
Where did Dr. Mark L. Goelzer go to medical school?
Dr. Goelzer graduated from University of Wisconsin School of Medicine in 1973.
What drugs does Dr. Mark L. Goelzer prescribe most?
In 2024 Medicare Part D data, Dr. Goelzer's most prescribed drugs by claims were Shingrix, Arexvy and Boostrix Tdap.
How long has Dr. Mark L. Goelzer been practicing?
Dr. Goelzer graduated from medical school in 1973, 53 years ago.
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