J Cardiothorac Vasc Anesth
Dr. James E. Mace Jr., MD
- Medicare services, 2024
- 34
- Medicare patients, 2024
- 52
- Part D claims, 2024
- 19
- Publications
- 6
- MIPS score, 2024
- 88
- Practice address
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Practice phone
- Call (414) 805-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mace'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. James E. Mace Jr. is a cardiothoracic surgeon in Milwaukee, Wisconsin
Dr. Mace practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.
Dr. Mace's NPI, 1427256163, was assigned on July 4, 2007. Dr. Mace graduated from Medical University of South Carolina (MUSC) in 2006. Dr. Mace's Wisconsin license number on file is 74334.
- NPI
- 1427256163NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446471163
- NPI enumeration date
- July 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 805-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James E. Mace Jr. practices at Froedtert Hospital in Milwaukee, Wisconsin
Dr. Mace's primary practice is Froedtert Hospital, at 9200 W Wisconsin Ave, Milwaukee, WI 53226 in Milwaukee County. The practice phone is (414) 805-3000.
- Froedtert Hospital9200 W Wisconsin Ave, Milwaukee, WI 53226 · Milwaukee CountyPhone(414) 805-3000
Source: Dmand AI Affiliation Data
Dr. James E. Mace Jr. is affiliated with 2 sites of care and 2 medical groups
Dr. Mace's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Dr. Mace to 1 more home health agency 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. James E. Mace Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mace practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Froedtert Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James E. Mace Jr. is one of 97 cardiothoracic surgeons in Wisconsin
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Mace's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Mace is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Mace's licenses on file in 5 states: Wisconsin, Nebraska, Alabama, Georgia and South Carolina.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), WisconsinPrimary
- Nebraska license
- Surgery, Alabama
- Georgia license
- South Carolina license
Cardiothoracic surgeons near Dr. Mace
Counts of cardiothoracic surgeons 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. James E. Mace Jr. billed Medicare for 34 services in 2024
CMS data shows 34 Medicare services from Dr. Mace across 3 procedure codes in 2024, for 52 Medicare patients. Medicare paid $13,404 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mace's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 252024: 238%
- Office and hospital visits
- 2023: 02024: 11
- Tests and treatments
- 2023: 172024: 0100%
Dr. Mace compared with the Wisconsin median for cardiothoracic surgeons, 2024
- Dr. Mace
- Wisconsin median
- Medicare services
- 34vs 7051% below
- Medicare patients
- 52vs 6824% below
- Part D claims
- 15vs 2232% below
Medians across 92 cardiothoracic surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Mace'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. Mace?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mace and other cardiothoracic surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James E. Mace Jr. treated 52 Medicare patients in 2024, average age 69
CMS counts 52 Medicare patients who saw Dr. Mace in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 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 Dr. Mace's median patient age at 69, with 31% women.
Dr. Mace's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mace's Medicare patients by sex, 2024
- Women1121%
- Men4179%
Chronic conditions among Dr. Mace's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease73%
- Heart failure58%
- Atrial fibrillation42%
- Chronic kidney disease40%
- Diabetes29%
- Arthritis25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mace's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James E. Mace Jr. wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Mace wrote 19 Medicare Part D claims for 12 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $165 in total drug cost. In 2023, CMS named 26 claims across 1 drug.
Dr. Mace's 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 262024: 1542%
Drugs named by CMS: 1 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
Dr. James E. Mace Jr. scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Mace for performance year 2024, reported as part of a group. Dr. Mace accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mace's MIPS scores, performance year 2024
- 88of 100Final score
- 82.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Coronary artery bypass graft (CABG): 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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Dr. James E. Mace Jr. has 6 publications on record
Dmand AI links 6 papers to Dr. Mace, published from 2020 to 2023. 2020 was the busiest year, with 2. Dr. Mace's most frequent co-authors are Lorne Howar Blackbourne, MD, Christopher Eric White, MD and Brent Thomas Boettcher.
Dr. Mace's papers by year, 2020 to 2023
Dr. Mace's most frequent co-authors
- Lorne Howar Blackbourne, MD2 shared papers
- Christopher Eric White, MD2 shared papers
- Brent Thomas Boettcher1 shared paper
Recent publications by Dr. Mace
Innovations (Phila)
J Burn Care Res
See who Dr. Mace researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mace works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James E. Mace Jr. received $4,080 in industry payments from 2019 to 2025
CMS Open Payments shows 31 general payments to Dr. Mace from 7 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 58% of the total. Edwards Lifesciences Corporation paid the most, $2,055.
General payments to Dr. Mace by program year, 2019 to 2025
General payments to Dr. Mace by kind, 2019 to 2025
- Food and beverage$2,37758%
- Travel and lodging$1,70442%
Companies that paid Dr. Mace the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James E. Mace Jr. has 1 award and honors on record
Dmand AI lists 1 award for Dr. Mace.
Awards and honors for Dr. Mace
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. James E. Mace Jr. graduated from Medical University of South Carolina (MUSC)
Dr. Mace graduated from Medical University of South Carolina (MUSC) in 2006. Dr. Mace is a member of ACS.
- Medical school
- Board certified in surgery
- Board certified in thoracic and cardiac surgery
Source: Dmand AI Professional Profile Data
Dr. James E. Mace Jr. accepts plans from 18 insurance carriers
Dr. Mace is in network with 18 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Aetna
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Humana
- +10 more carriersWith a free account
Plan types Dr. Mace accepts, by number of carriers
- PPO10
- HMO8
- Medicare7
- EPO3
- POS3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. James E. Mace Jr.'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) |
| 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)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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. James E. Mace Jr.
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. James E. Mace Jr.'s NPI number?
Dr. James E. Mace Jr.'s NPI number is 1427256163. It was assigned on July 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. James E. Mace Jr.?
Dr. James E. Mace Jr. is a cardiothoracic surgeon in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. James E. Mace Jr. practice?
Dr. Mace practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Dr. Mace's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Mace to 1 home health agency and 1 medical group.
What is Dr. James E. Mace Jr.'s office phone number?
The practice phone on file for Dr. Mace is (414) 805-3000.
What is Dr. James E. Mace Jr.'s medical license number?
Dr. Mace's Wisconsin license number on file is 74334, one of the licenses on file in 5 states.
Which states has Dr. James E. Mace Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Mace in Wisconsin (2020 to 2025), Nebraska (2008 to 2021), Alabama (2018 to 2020), Georgia (2014 to 2019) and South Carolina (2012 to 2017).
Which hospitals is Dr. James E. Mace Jr. affiliated with?
Dr. Mace practices at Froedtert Hospital in Milwaukee, Wisconsin.
What medical group is Dr. James E. Mace Jr. part of?
Dr. Mace is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Dr. Mace to 1 more medical group.
Does Dr. James E. Mace Jr. accept Medicare?
Yes. CMS data shows Dr. Mace billed Medicare for 34 services in 2024, and Dr. Mace accepts Medicare assignment.
What is Dr. James E. Mace Jr.'s MIPS score?
Dr. Mace's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. James E. Mace Jr. see?
CMS counts 52 Medicare patients who saw Dr. Mace in 2024, with an average age of 69.
Is Dr. James E. Mace Jr. board certified?
Yes. Dr. Mace is board certified in surgery by the American Board of Surgery.
What services does Dr. James E. Mace Jr. bill to Medicare?
In 2024, Dr. Mace's most billed Medicare services were surgery: heart and blood vessels (33508), surgery: heart and blood vessels (33533) and hospital inpatient care (99222).
Where did Dr. James E. Mace Jr. go to medical school?
Dr. Mace graduated from Medical University of South Carolina (MUSC) in 2006.
What drugs does Dr. James E. Mace Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Mace's most prescribed drugs by claims were Warfarin Sodium.
Has Dr. James E. Mace Jr. received payments from drug or device companies?
CMS Open Payments shows $4,080 in general payments to Dr. Mace from 7 companies from 2019 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. James E. Mace Jr. been practicing?
Dr. Mace graduated from medical school in 2006, 20 years ago.
Does Dr. James E. Mace Jr. do research?
Dmand AI links 6 publications to Dr. Mace, published from 2020 to 2023.
Who does Dr. James E. Mace Jr. publish with?
Dr. Mace's most frequent co-authors are Lorne Howar Blackbourne, MD (2 shared papers), Christopher Eric White, MD (2 shared papers) and Brent Thomas Boettcher (1 shared paper).
What insurance does Dr. James E. Mace Jr. accept?
Dr. Mace is in network with 18 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
Selling to thoracic surgery (cardiothoracic vascular surgery) practices?
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