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Dr. Gregory Mark Heideman, MD
NPI1295820546PAC ID6305970021
- Medicare services, 2024
- 1,819
- Medicare patients, 2024
- 1,355
- Publications
- 1
- Hospital affiliations
- 5
- Medical groups
- 5
- Practice address
- 8901 W Lincoln Ave, West Allis, WI 53227
- Practice phone
- Call (414) 328-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Heideman's professional email, personal email and mobile number
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Dr. Gregory Mark Heideman is a diagnostic radiologist in Milwaukee, Wisconsin
Dr. Heideman practices at Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health.
Dr. Heideman's NPI, 1295820546, was assigned on October 3, 2006. Dr. Heideman graduated from University of Wisconsin School of Medicine in 2005. Dr. Heideman holds Wisconsin license 49522-020.
NPI and contact details
- NPI
- 1295820546NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305970021
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 328-6000
- 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. Gregory Mark Heideman practices at Aurora West Allis Medical Center in West Allis, Wisconsin
Dr. Heideman's primary practice is Aurora West Allis Medical Center, at 8901 W Lincoln Ave, West Allis, WI 53227 in Milwaukee County. The practice phone is (414) 328-6000.
- Aurora West Allis Medical Center8901 W Lincoln Ave, West Allis, WI 53227 · Milwaukee CountyPhone(414) 328-6000
Source: Dmand AI Affiliation Data
Dr. Gregory Mark Heideman is affiliated with 10 sites of care and 5 medical groups
Dr. Heideman's primary practice is Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health. Dr. Heideman is also affiliated with Aurora St. Luke's Medical Center. The medical group on file is Aurora Medical Group. Dmand AI also links Dr. Heideman to 3 more hospitals, 4 group practices and clinics, 4 medical groups and 1 hospital outpatient department, each named with a free account.
Aurora St. Luke's Medical CenterAurora Medical Group3 hospitalsNames with a free account4 group practices and clinicsNames with a free account4 medical groupsNames with a free account1 hospital outpatient departmentName with a free account
See all 15 affiliations for Dr. HeidemanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Mark Heideman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heideman practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aurora West Allis Medical Center | Available with a free account |
| +9 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Gregory Mark Heideman is one of 782 diagnostic radiologists in Wisconsin
Diagnostic radiology is Dr. Heideman's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Heideman is licensed in Wisconsin.
Specialties and state licenses
- Diagnostic radiology, WisconsinPrimary
Diagnostic radiologists near Dr. Heideman
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
782diagnostic radiologists in Wisconsin236diagnostic radiologists in Milwaukee39diagnostic radiologists at Aurora West Allis Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Mark Heideman billed Medicare for 1,819 services in 2024
CMS data shows 1,819 Medicare services from Dr. Heideman across 27 procedure codes in 2024, for 1,355 Medicare patients. Medicare paid $46,406 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20241,819
Medicare patients1,355
Paid by Medicare$46,406
Procedure codes27
Dr. Heideman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,9942024: 1,78810%
- Tests and treatments
- 2023: 192024: 3163%
Dr. Heideman compared with the Wisconsin median for diagnostic radiologists, 2024
- Dr. Heideman
- Wisconsin median
- Medicare services
- 1,819vs 1,836Close to median
- Medicare patients
- 1,355vs 1,414Close to median
Medians across 758 diagnostic radiologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Heideman'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. Heideman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Heideman and other diagnostic radiologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Mark Heideman treated 1,355 Medicare patients in 2024, average age 73
CMS counts 1,355 Medicare patients who saw Dr. Heideman in 2024. The largest group is 65 to 74, with 450 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.39, 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. Heideman's median patient age at 57, with 56% women.
Medicare patients, 20241,355
Average age73
Average risk score2.39
Also on Medicaid31%
Dr. Heideman's Medicare patients by age, 2024
Dr. Heideman's Medicare patients by sex, 2024
- Women71453%
- Men64147%
Chronic conditions among Dr. Heideman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Chronic kidney disease49%
- Ischemic heart disease47%
- Diabetes43%
- Heart failure43%
- Mood disorders43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Heideman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gregory Mark Heideman takes part in Medicare
Dr. Heideman 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. Gregory Mark Heideman has 1 publication on record
Dmand AI links 1 paper to Dr. Heideman in 2011. Dr. Heideman's most frequent co-authors are Keith Edward Baynes, MD and Jason Wayne Roberts, MD.
Papers1
Dr. Heideman's most frequent co-authors
Recent publications by Dr. Heideman
See who Dr. Heideman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Heideman 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. Gregory Mark Heideman graduated from University of Wisconsin School of Medicine
Dr. Heideman graduated from University of Wisconsin School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Mark Heideman'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 |
| 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. Gregory Mark Heideman
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. Gregory Mark Heideman's NPI number?
Dr. Gregory Mark Heideman's NPI number is 1295820546. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Mark Heideman?
Dr. Gregory Mark Heideman is a diagnostic radiologist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Gregory Mark Heideman practice?
Dr. Heideman practices at 8901 W Lincoln Ave, West Allis, WI 53227. Dr. Heideman's primary practice is Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health. Dmand AI also links Dr. Heideman to 3 hospitals, 4 group practices and clinics, 4 medical groups and 1 hospital outpatient department.
What is Dr. Gregory Mark Heideman's office phone number?
The practice phone on file for Dr. Heideman is (414) 328-6000.
What is Dr. Gregory Mark Heideman's medical license number?
Dr. Heideman holds Wisconsin license 49522-020.
Which hospitals is Dr. Gregory Mark Heideman affiliated with?
Dr. Heideman practices at Aurora West Allis Medical Center in West Allis, Wisconsin. Dr. Heideman is also affiliated with Aurora St. Luke's Medical Center. Dmand AI links Dr. Heideman to 3 more hospitals.
What medical group is Dr. Gregory Mark Heideman part of?
Dr. Heideman is linked to Aurora Medical Group. Dmand AI links Dr. Heideman to 4 more medical groups.
Does Dr. Gregory Mark Heideman accept Medicare?
Yes. CMS data shows Dr. Heideman billed Medicare for 1,819 services in 2024, and Dr. Heideman accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Mark Heideman see?
CMS counts 1,355 Medicare patients who saw Dr. Heideman in 2024, with an average age of 73.
What services does Dr. Gregory Mark Heideman bill to Medicare?
In 2024, Dr. Heideman's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (70450) and diagnostic imaging (74177).
Show 4 more questionsShow fewer questions
Where did Dr. Gregory Mark Heideman go to medical school?
Dr. Heideman graduated from University of Wisconsin School of Medicine in 2005.
How long has Dr. Gregory Mark Heideman been practicing?
Dr. Heideman graduated from medical school in 2005, 21 years ago.
Does Dr. Gregory Mark Heideman do research?
Dmand AI links 1 publication to Dr. Heideman.
Who does Dr. Gregory Mark Heideman publish with?
Dr. Heideman's most frequent co-authors are Keith Edward Baynes, MD (1 shared paper) and Jason Wayne Roberts, MD (1 shared paper).
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