Dr. Nathan Allan Maertz, MD
- Medicare services, 2024
- 1,856
- Medicare patients, 2024
- 1,588
- Publications
- 1
- Hospital affiliations
- 5
- Industry payments
- $91
- Practice address
- 1701 N Senate Blvd, Indianapolis, IN 46202
- Practice phone
- Call (317) 962-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maertz'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. Nathan Allan Maertz is a diagnostic radiologist in Indianapolis, Indiana
Dr. Maertz practices at IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health.
Dr. Maertz's NPI, 1265639199, was assigned on July 3, 2007. Dr. Maertz graduated from University of Wisconsin School of Medicine in 2005. Dr. Maertz holds Indiana license 01068170.
- NPI
- 1265639199NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668596008
- NPI enumeration date
- July 3, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 962-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Allan Maertz practices at IU Health Methodist Hospital in Indianapolis, Indiana
Dr. Maertz's primary practice is IU Health Methodist Hospital, at 1701 N Senate Blvd, Indianapolis, IN 46202 in Marion County. The practice phone is (317) 962-2000.
- IU Health Methodist Hospital1701 N Senate Blvd, Indianapolis, IN 46202 · Marion CountyPhone(317) 962-2000
Source: Dmand AI Affiliation Data
Dr. Nathan Allan Maertz is affiliated with 6 sites of care and 2 medical groups
Dr. Maertz's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dr. Maertz is also affiliated with Sidney & Lois Eskenazi Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Maertz to 3 more hospitals, 1 behavioral health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan Allan Maertz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maertz practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IU Health Methodist Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan Allan Maertz is one of 663 diagnostic radiologists in Indiana
Diagnostic radiology is Dr. Maertz's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Maertz is licensed in Indiana.
Specialties and state licenses
- Diagnostic radiology, IndianaPrimary
Diagnostic radiologists near Dr. Maertz
Counts of diagnostic radiologists 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. Nathan Allan Maertz billed Medicare for 1,856 services in 2024
CMS data shows 1,856 Medicare services from Dr. Maertz across 29 procedure codes in 2024, for 1,588 Medicare patients. Medicare paid $22,481 for them.
Dr. Maertz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,7012024: 1,8569%
Where Dr. Maertz's Medicare services took place, 2024
- In an office1,05257%
- In a facility80443%
Dr. Maertz compared with the Indiana median for diagnostic radiologists, 2024
- Dr. Maertz
- Indiana median
- Medicare services
- 1,856vs 2,39222% below
- Medicare patients
- 1,588vs 1,7117% below
Medians across 639 diagnostic radiologists in Indiana with Dmand AI profiles that report each measure.
Dr. Maertz's 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. Maertz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maertz and other diagnostic radiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Allan Maertz treated 1,588 Medicare patients in 2024, average age 72
CMS counts 1,588 Medicare patients who saw Dr. Maertz in 2024. The largest group is 65 to 74, with 763 patients. 75% of them have arthritis, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Maertz's median patient age at 58, with 59% women.
Dr. Maertz's Medicare patients by age, 2024
Dr. Maertz's Medicare patients by sex, 2024
- Women98362%
- Men60538%
Chronic conditions among Dr. Maertz's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol73%
- Mood disorders38%
- Depression35%
- Anxiety34%
- Diabetes33%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maertz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Nathan Allan Maertz takes part in Medicare
Dr. Maertz 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. Nathan Allan Maertz has 1 publication on record
Dmand AI links 1 paper to Dr. Maertz in 2021. Dr. Maertz's most frequent co-authors are Marlee Crews, MD and Lauren M. Ladd, MD.
Dr. Maertz's most frequent co-authors
Recent publications by Dr. Maertz
See who Dr. Maertz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maertz works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathan Allan Maertz received $91 in industry payments from 2019 to 2020
CMS Open Payments shows 3 general payments to Dr. Maertz from 2 drug and device companies from 2019 to 2020. Food and beverage make up the largest share, 100% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $74.
General payments to Dr. Maertz by program year, 2019 to 2020
Companies that paid Dr. Maertz the most, 2019 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan Allan Maertz graduated from University of Wisconsin School of Medicine
Dr. Maertz graduated from University of Wisconsin School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Allan Maertz'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 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) |
| 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 |
| 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. Nathan Allan Maertz
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. Nathan Allan Maertz's NPI number?
Dr. Nathan Allan Maertz's NPI number is 1265639199. It was assigned on July 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Allan Maertz?
Dr. Nathan Allan Maertz is a diagnostic radiologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Nathan Allan Maertz practice?
Dr. Maertz practices at 1701 N Senate Blvd, Indianapolis, IN 46202. Dr. Maertz's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. Maertz to 3 hospitals, 1 behavioral health center and 1 medical group.
What is Dr. Nathan Allan Maertz's office phone number?
The practice phone on file for Dr. Maertz is (317) 962-2000.
What is Dr. Nathan Allan Maertz's medical license number?
Dr. Maertz holds Indiana license 01068170.
Which hospitals is Dr. Nathan Allan Maertz affiliated with?
Dr. Maertz practices at IU Health Methodist Hospital in Indianapolis, Indiana. Dr. Maertz is also affiliated with Sidney & Lois Eskenazi Hospital. Dmand AI links Dr. Maertz to 3 more hospitals.
What medical group is Dr. Nathan Allan Maertz part of?
Dr. Maertz is linked to IU Health Medical Group. Dmand AI links Dr. Maertz to 1 more medical group.
Does Dr. Nathan Allan Maertz accept Medicare?
Yes. CMS data shows Dr. Maertz billed Medicare for 1,856 services in 2024, and Dr. Maertz accepts Medicare assignment.
How many Medicare patients does Dr. Nathan Allan Maertz see?
CMS counts 1,588 Medicare patients who saw Dr. Maertz in 2024, with an average age of 72.
What services does Dr. Nathan Allan Maertz bill to Medicare?
In 2024, Dr. Maertz's most billed Medicare services were diagnostic imaging (73030), diagnostic imaging (73562) and diagnostic imaging (73130).
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Where did Dr. Nathan Allan Maertz go to medical school?
Dr. Maertz graduated from University of Wisconsin School of Medicine in 2005.
Has Dr. Nathan Allan Maertz received payments from drug or device companies?
CMS Open Payments shows $91 in general payments to Dr. Maertz from 2 companies from 2019 to 2020. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Dr. Nathan Allan Maertz been practicing?
Dr. Maertz graduated from medical school in 2005, 21 years ago.
Does Dr. Nathan Allan Maertz do research?
Dmand AI links 1 publication to Dr. Maertz.
Who does Dr. Nathan Allan Maertz publish with?
Dr. Maertz's most frequent co-authors are Marlee Crews, MD (1 shared paper) and Lauren M. Ladd, MD (1 shared paper).
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