Black or African AmericanBlood PressureBlood Pressure Determination
James Mahn
NPI1891114716PAC ID2365660099
- Medicare services, 2024
- 701
- Medicare patients, 2024
- 771
- Publications
- 6
- MIPS score, 2024
- 90
- Hospital affiliations
- 5
- Practice address
- 468 Cadieux Rd, Grosse Pointe, MI 48230
- Practice phone
- Call (313) 473-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find James Mahn'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.
James Mahn is a diagnostic radiologist in Grosse Pointe, Michigan
James Mahn practices at Corewell Health Beaumont Grosse Pointe Hospital in Grosse Pointe, Michigan, part of Corewell Health.
James Mahn's NPI, 1891114716, was assigned on April 8, 2014. James Mahn graduated from Wayne State University School of Medicine in 2014. James Mahn holds Michigan license 4301500480.
NPI and contact details
- NPI
- 1891114716NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365660099
- NPI enumeration date
- April 8, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (313) 473-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James Mahn practices at Corewell Health Beaumont Grosse Pointe Hospital in Grosse Pointe, Michigan
James Mahn's primary practice is Corewell Health Beaumont Grosse Pointe Hospital, at 468 Cadieux Rd, Grosse Pointe, MI 48230 in Wayne County. The practice phone is (313) 473-1000.
- Corewell Health Beaumont Grosse Pointe Hospital468 Cadieux Rd, Grosse Pointe, MI 48230 · Wayne CountyPhone(313) 473-1000
Source: Dmand AI Affiliation Data
James Mahn is affiliated with 5 sites of care and 2 medical groups
James Mahn's primary practice is Corewell Health Beaumont Grosse Pointe Hospital in Grosse Pointe, Michigan, part of Corewell Health. James Mahn is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Medical Education Associates. Dmand AI also links James Mahn to 3 more hospitals and 1 medical group, each named with a free account.
Corewell Health William Beaumont University HospitalMedical Education Associates3 hospitalsNames with a free account1 medical groupName with a free account
See all 7 affiliations for James MahnSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James Mahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Mahn practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Beaumont Grosse Pointe Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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James Mahn is one of 1,181 diagnostic radiologists in Michigan
Diagnostic radiology is James Mahn's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. James Mahn is licensed in Michigan.
Specialties and state licenses
- Diagnostic radiology, MichiganPrimary
Diagnostic radiologists near James Mahn
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
1,181diagnostic radiologists in Michigan12diagnostic radiologists in Grosse Pointe10diagnostic radiologists at Corewell Health Beaumont Grosse Pointe Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
James Mahn billed Medicare for 701 services in 2024
CMS data shows 701 Medicare services from James Mahn across 24 procedure codes in 2024, for 771 Medicare patients. Medicare paid $18,410 for them.
Medicare services, 2024701
Medicare patients771
Paid by Medicare$18,410
Procedure codes24
James Mahn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 7522024: 57723%
- Surgery
- 2023: 1222024: 9225%
- Tests and treatments
- 2023: 262024: 3223%
Where James Mahn's Medicare services took place, 2024
- In an office8512%
- In a facility61688%
James Mahn compared with the Michigan median for diagnostic radiologists, 2024
- James Mahn
- Michigan median
- Medicare services
- 701vs 1,65858% below
- Medicare patients
- 771vs 1,30141% below
Medians across 1,132 diagnostic radiologists in Michigan with Dmand AI profiles that report each measure.
James Mahn'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 James Mahn?
Medicare shows one payer. Book a meeting to get commercial claims data for James Mahn and other diagnostic radiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
James Mahn treated 771 Medicare patients in 2024, average age 73
CMS counts 771 Medicare patients who saw James Mahn in 2024. The largest group is 65 to 74, with 301 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts James Mahn's median patient age at 60, with 73% women.
Medicare patients, 2024771
Average age73
Average risk score1.95
Also on Medicaid21%
James Mahn's Medicare patients by age, 2024
James Mahn's Medicare patients by sex, 2024
- Women50565%
- Men26635%
Chronic conditions among James Mahn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease43%
- Chronic kidney disease42%
- Diabetes40%
- Anxiety36%
- Heart failure33%
Share of Medicare patients with each condition. A patient can have several.
James Mahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James Mahn scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for James Mahn for performance year 2024, reported as part of a group. James Mahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
James Mahn's MIPS scores, performance year 2024
- 90of 100Final score
- 85.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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James Mahn has 6 publications on record
Dmand AI links 6 papers to James Mahn, published from 2014 to 2017. The most frequent topics are Hypertension, Antihypertensive Agents and Black or African American. James Mahn has published most often in Acad Emerg Med. James Mahn's most frequent co-authors are John Mark Flack, MD, MPH, Phillip D. Levy, MD and Michael J. Burla, DO.
Papers6
Years published2014 to 2017
James Mahn's papers by year, 2014 to 2017
Topics James Mahn writes about most
- Hypertension
- Antihypertensive Agents
- Black or African American
- Echocardiography
- Emergency Service, Hospital
- Heart Diseases
- Blood Pressure
- Blood Pressure Determination
James Mahn's most frequent co-authors
- John Mark Flack, MD, MPH6 shared papers
- Phillip D. Levy, MD6 shared papers
- Michael J. Burla, DO5 shared papers
Recent publications by James Mahn
J Am Soc Hypertens
Antihypertensive AgentsBlood PressureBlood Pressure Determination
Antihypertensive AgentsEmergency Service, HospitalHospitals, Teaching
J Am Soc Hypertens
Antihypertensive AgentsBlack or African AmericanBlack People
Antihypertensive AgentsAsymptomatic DiseasesBlack or African American
See who James Mahn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who James Mahn 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
James Mahn received $917 in industry payments from 2020 to 2025
CMS Open Payments shows 29 general payments to James Mahn from 9 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Terumo Medical Corporation paid the most, $293.
General payments to James Mahn by program year, 2020 to 2025
Companies that paid James Mahn the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James Mahn graduated from Wayne State University School of Medicine
James Mahn graduated from Wayne State University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James Mahn'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 James Mahn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Mahn's NPI number?
James Mahn's NPI number is 1891114716. It was assigned on April 8, 2014, and it is active in the NPI Registry.
What does James Mahn specialize in?
James Mahn is a diagnostic radiologist in Grosse Pointe, Michigan. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does James Mahn practice?
James Mahn practices at 468 Cadieux Rd, Grosse Pointe, MI 48230. James Mahn's primary practice is Corewell Health Beaumont Grosse Pointe Hospital in Grosse Pointe, Michigan, part of Corewell Health. Dmand AI also links James Mahn to 3 hospitals and 1 medical group.
What is James Mahn's office phone number?
The practice phone on file for James Mahn is (313) 473-1000.
What is James Mahn's medical license number?
James Mahn holds Michigan license 4301500480.
Which hospitals is James Mahn affiliated with?
James Mahn practices at Corewell Health Beaumont Grosse Pointe Hospital in Grosse Pointe, Michigan. James Mahn is also affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links James Mahn to 3 more hospitals.
What medical group is James Mahn part of?
James Mahn is linked to Medical Education Associates. Dmand AI links James Mahn to 1 more medical group.
Does James Mahn accept Medicare?
Yes. CMS data shows James Mahn billed Medicare for 701 services in 2024, and James Mahn accepts Medicare assignment.
What is James Mahn's MIPS score?
James Mahn's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does James Mahn see?
CMS counts 771 Medicare patients who saw James Mahn in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does James Mahn bill to Medicare?
In 2024, James Mahn's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71046) and ultrasound (76770).
Where did James Mahn go to medical school?
James Mahn graduated from Wayne State University School of Medicine in 2014.
Has James Mahn received payments from drug or device companies?
CMS Open Payments shows $917 in general payments to James Mahn from 9 companies from 2020 to 2025. The largest total came from Terumo Medical Corporation.
How long has James Mahn been practicing?
James Mahn graduated from medical school in 2014, 12 years ago.
Does James Mahn do research?
Dmand AI links 6 publications to James Mahn, published from 2014 to 2017.
Who does James Mahn publish with?
James Mahn's most frequent co-authors are John Mark Flack, MD, MPH (6 shared papers), Phillip D. Levy, MD (6 shared papers) and Michael J. Burla, DO (5 shared papers).
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