Int J Radiat Oncol Biol Phys
AmifostineAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Small Cell
Dr. John M. Martens, MD
NPI1699852368PAC ID7517038979
- Medicare services, 2024
- 2,186
- Medicare patients, 2024
- 270
- Part D claims, 2024
- 115
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 411 Laurel St, Des Moines, IA 50314-3017
- Practice phone
- Call (515) 643-5168
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Cancer Center Radiation Oncology
Medical specialty practice · Des Moines, Iowa
Find Dr. Martens' 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. John M. Martens is a radiation oncologist in Des Moines, Iowa
Dr. Martens practices at Mercy Cancer Center Radiation Oncology in Des Moines, Iowa.
Dr. Martens' NPI, 1699852368, was assigned on November 1, 2006. Dr. Martens graduated from UNMC in 1997. Dr. Martens' Iowa license number on file is 34592.
NPI and contact details
- NPI
- 1699852368NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517038979
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (515) 643-5168
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John M. Martens practices at Mercy Cancer Center Radiation Oncology in Des Moines, Iowa
Dr. Martens' primary practice is Mercy Cancer Center Radiation Oncology, at 411 Laurel St, Des Moines, IA 50314-3017. The practice phone is (515) 643-5168.
- Mercy Cancer Center Radiation Oncology411 Laurel St, Des Moines, IA 50314-3017Phone(515) 643-5168
Source: Dmand AI Affiliation Data
Dr. John M. Martens is affiliated with 7 sites of care and 3 medical groups
Dr. Martens' primary practice is Mercy Cancer Center Radiation Oncology in Des Moines, Iowa. Dr. Martens is also affiliated with MercyOne Des Moines Medical Center. The medical group on file is MercyOne Clive Family Medicine. Dmand AI also links Dr. Martens to 4 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Mercy Cancer Center Radiation OncologyPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John M. Martens' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martens practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Cancer Center Radiation Oncology | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. John M. Martens is one of 58 radiation oncologists in Iowa
Radiation oncology is Dr. Martens' primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Martens is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Martens' licenses on file in 2 states: Iowa and Ohio.
Specialties and state licenses
- Radiation oncology, IowaPrimary
- Ohio license
Clinical focus
Dmand AI lists anal cancer radiation, bone cancer radiation, brain cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI, cervical cancer radiation and colorectal cancer radiation among the conditions Dr. Martens treats.
Radiation oncologists near Dr. Martens
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
Dr. John M. Martens billed Medicare for 2,186 services in 2024
CMS data shows 2,186 Medicare services from Dr. Martens across 14 procedure codes in 2024, for 270 Medicare patients. Medicare paid $131,754 for them.
Medicare services, 20242,186
Medicare patients270
Paid by Medicare$131,754
Procedure codes14
Dr. Martens' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2,5972024: 2,02622%
- Office and hospital visits
- 2023: 2452024: 16035%
Where Dr. Martens' Medicare services took place, 2024
- In an office1,27358%
- In a facility91342%
Dr. Martens compared with the Iowa median for radiation oncologists, 2024
- Dr. Martens
- Iowa median
- Medicare services
- 2,186vs 1,58738% above
- Medicare patients
- 270vs 2489% above
- Part D claims
- 49vs 48Close to median
Medians across 58 radiation oncologists in Iowa with Dmand AI profiles that report each measure.
Dr. Martens' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Martens?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Martens and other radiation oncologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John M. Martens treated 270 Medicare patients in 2024, average age 74
CMS counts 270 Medicare patients who saw Dr. Martens in 2024. The largest group is 65 to 74, with 140 patients. 75% of them have cancer, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.66, 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. Martens' median patient age at 73, with 54% women.
Medicare patients, 2024270
Average age74
Average risk score1.66
Also on Medicaid6%
Dr. Martens' Medicare patients by age, 2024
Dr. Martens' Medicare patients by sex, 2024
- Women14855%
- Men12245%
Chronic conditions among Dr. Martens' Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure73%
- Arthritis35%
- COPD28%
- Diabetes27%
- Chronic kidney disease26%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Martens' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John M. Martens wrote 115 Medicare Part D claims in 2024
In 2024, Dr. Martens wrote 115 Medicare Part D claims for 64 patients. 91% of them were for generic drugs. CMS names the drug for 49 of them, across 3 drugs with 11 or more claims each, at $893 in total drug cost. In 2023, CMS named 36 claims across 1 drug.
Part D claims, 2024115
Drugs named by CMS3
Total drug cost$893
Part D patients64
Dr. Martens' Part D claims by kind of drug, 2024
- Generic105 claims91%
- Brand-name and other10 claims9%
Dr. Martens' 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.
Drug classes CMS tracks in Dr. Martens' Part D claims, 2024
- Opioids20%23 of 115 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 362024: 4936%
Drugs named by CMS: 3 in 2024, 1 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
How Dr. John M. Martens takes part in Medicare
Dr. Martens accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John M. Martens has 1 publication on record
Dmand AI links 1 paper to Dr. Martens. Dr. Martens' most frequent co-authors are Yolanda I. Garces, MD, James R. Jett, MD and Scott H. Okuno, MD.
Papers1
Dr. Martens' most frequent co-authors
Recent publications by Dr. Martens
See who Dr. Martens researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Martens works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John M. Martens received $637 in industry payments from 2016 to 2025
CMS Open Payments shows 26 general payments to Dr. Martens from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Novocure Inc. paid the most, $150.
General payments to Dr. Martens by program year, 2016 to 2025
General payments to Dr. Martens by kind, 2016 to 2025
$637in total
- Food and beverage$62498%
- Entertainment$132%
Companies that paid Dr. Martens the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John M. Martens graduated from UNMC
Dr. Martens graduated from UNMC in 1997.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. John M. Martens accepts plans from 16 insurance carriers
Dr. Martens is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Aspirus Health Plan
- Humana
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Martens accepts, by number of carriers
- PPO10
- HMO9
- Medicare8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. John M. Martens'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John M. Martens
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John M. Martens' NPI number?
Dr. John M. Martens' NPI number is 1699852368. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Martens?
Dr. John M. Martens is a radiation oncologist in Des Moines, Iowa. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. John M. Martens practice?
Dr. Martens practices at 411 Laurel St, Des Moines, IA 50314-3017. Dr. Martens' primary practice is Mercy Cancer Center Radiation Oncology in Des Moines, Iowa. Dmand AI also links Dr. Martens to 4 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. John M. Martens' office phone number?
The practice phone on file for Dr. Martens is (515) 643-5168.
What is Dr. John M. Martens' medical license number?
Dr. Martens' Iowa license number on file is 34592, one of the licenses on file in 2 states.
Which states has Dr. John M. Martens been licensed in?
Dmand AI has state licenses on file for Dr. Martens in Iowa (1997 to 2025) and Ohio (2000 to 2002).
Which hospitals is Dr. John M. Martens affiliated with?
Dr. Martens is affiliated with MercyOne Des Moines Medical Center. Dmand AI links Dr. Martens to 4 more hospitals.
What medical group is Dr. John M. Martens part of?
Dr. Martens is linked to MercyOne Clive Family Medicine. Dmand AI links Dr. Martens to 2 more medical groups.
Does Dr. John M. Martens accept Medicare?
Yes. CMS data shows Dr. Martens billed Medicare for 2,186 services in 2024, and Dr. Martens accepts Medicare assignment.
How many Medicare patients does Dr. John M. Martens see?
CMS counts 270 Medicare patients who saw Dr. Martens in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. John M. Martens board certified?
Yes. Dr. Martens is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. John M. Martens bill to Medicare?
In 2024, Dr. Martens' most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).
Where did Dr. John M. Martens go to medical school?
Dr. Martens graduated from UNMC in 1997.
What drugs does Dr. John M. Martens prescribe most?
In 2024 Medicare Part D data, Dr. Martens' most prescribed drugs by claims were Tamsulosin HCl, Hydrocodone-Acetaminophen and Lidocaine HCl Viscous.
Has Dr. John M. Martens received payments from drug or device companies?
CMS Open Payments shows $637 in general payments to Dr. Martens from 14 companies from 2016 to 2025. The largest total came from Novocure Inc.
How long has Dr. John M. Martens been practicing?
Dr. Martens graduated from medical school in 1997, 29 years ago.
Does Dr. John M. Martens do research?
Dmand AI links 1 publication to Dr. Martens.
Who does Dr. John M. Martens publish with?
Dr. Martens' most frequent co-authors are Yolanda I. Garces, MD (1 shared paper), James R. Jett, MD (1 shared paper) and Scott H. Okuno, MD (1 shared paper).
What insurance does Dr. John M. Martens accept?
Dr. Martens is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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