Primary practice
Find Dr. Kohl'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. Kohl practices at Marshfield Medical Center - Dickinson in Iron Mountain, Michigan, part of Sanford Health.
Dr. Kohl's NPI, 1689628901, was assigned on May 20, 2006. Dr. Kohl holds Wisconsin license 49213.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kohl's primary practice is Marshfield Medical Center - Dickinson, at 1721 S Stephenson Ave, Iron Mountain, MI 49801 in Dickinson County. The practice phone is (906) 774-1313.
Source: Dmand AI Affiliation Data
Dr. Kohl's primary practice is Marshfield Medical Center - Dickinson in Iron Mountain, Michigan, part of Sanford Health. Dr. Kohl is also affiliated with Marshfield Medical Center - Marshfield. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Kohl to 1 more hospital, 6 medical groups and 5 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kohl practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Medical Center - Dickinson | Available with a free account |
| +7 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Radiation oncology is Dr. Kohl's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Kohl is licensed in Wisconsin.
Counts of radiation oncologists 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
CMS data shows 770 Medicare services from Dr. Kohl across 10 procedure codes in 2024, for 113 Medicare patients. Medicare paid $49,039 for them. Every service was in a facility, such as a hospital, rather than an office.
Medians across 184 radiation oncologists in Michigan with Dmand AI profiles that report each measure.
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
CMS counts 113 Medicare patients who saw Dr. Kohl in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have cancer, and 70% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kohl's median patient age at 73, with 38% women.
CMS leaves out age groups with fewer than 11 patients.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 73
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
In 2024, Dr. Kohl wrote 38 Medicare Part D claims for 24 patients. 95% of them were for generic drugs. They cover 2 drugs, with $1,277 in total drug cost. In 2021, CMS named 178 claims across 6 drugs.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Drugs named by CMS: 2 in 2022, 6 in 2021.
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
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Kohl for performance year 2024, reported as part of a group. Dr. Kohl accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
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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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dmand AI links Dr. Kohl to 7 clinical trials, 5 of them phase 3 studies. 6 are still active or recruiting. Conditions studied include Breast Neoplasms, Carcinoma, Non-Small-Cell Lung and Lung Neoplasms. NRG Oncology sponsors the most, 4.
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Kohl's trials
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
CMS Open Payments shows 13 general payments to Dr. Kohl from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novocure Inc. paid the most, $143.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
| 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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
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Dr. Robert R. Kohl's NPI number is 1689628901. It was assigned on May 20, 2006, and it is active in the NPI Registry.
Dr. Robert R. Kohl is a radiation oncologist in Iron Mountain, Michigan. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Dr. Kohl practices at 1721 S Stephenson Ave, Iron Mountain, MI 49801. Dr. Kohl's primary practice is Marshfield Medical Center - Dickinson in Iron Mountain, Michigan, part of Sanford Health. Dmand AI also links Dr. Kohl to 1 hospital, 6 medical groups and 5 group practices and clinics.
The practice phone on file for Dr. Kohl is (906) 774-1313.
Dr. Kohl holds Wisconsin license 49213.
Dr. Kohl practices at Marshfield Medical Center - Dickinson in Iron Mountain, Michigan. Dr. Kohl is also affiliated with Marshfield Medical Center - Marshfield. Dmand AI links Dr. Kohl to 1 more hospital.
Dr. Kohl is linked to Marshfield Clinic Health System. Dmand AI links Dr. Kohl to 6 more medical groups.
Yes. CMS data shows Dr. Kohl billed Medicare for 770 services in 2024, and Dr. Kohl accepts Medicare assignment.
Dr. Kohl's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
CMS counts 113 Medicare patients who saw Dr. Kohl in 2024, with an average age of 74.
In 2024, Dr. Kohl's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).
In 2022 Medicare Part D data, Dr. Kohl's most prescribed drugs by claims were Tamsulosin HCl and Lorazepam.
CMS Open Payments shows $361 in general payments to Dr. Kohl from 9 companies from 2016 to 2025. The largest total came from Novocure Inc.
Dr. Kohl graduated from medical school in 2001, 25 years ago.
Dr. Kohl has worked on 7 clinical trials.
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