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Dr. Christopher A. Semder, MD
NPI1487858965PAC ID2466612080
- Medicare services, 2024
- 3,495
- Medicare patients, 2024
- 1,982
- Part D claims, 2024
- 3,613
- Publications
- 1
- Clinical trials
- 1
- Practice address
- 4000 Kresge Way, Louisville, KY 40207
- Practice phone
- Call (502) 897-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Semder'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. Christopher A. Semder is an interventional cardiologist in Louisville, Kentucky
Dr. Semder practices at Baptist Health Louisville in Louisville, Kentucky, part of Baptist Health.
Dr. Semder's NPI, 1487858965, was assigned on June 11, 2007. Dr. Semder graduated from JC Edwards School of Medicine, Marshall University in 2007. Dr. Semder holds Kentucky license 47319.
NPI and contact details
- NPI
- 1487858965NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466612080
- NPI enumeration date
- June 11, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (502) 897-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher A. Semder practices at Baptist Health Louisville in Louisville, Kentucky
Dr. Semder's primary practice is Baptist Health Louisville, at 4000 Kresge Way, Louisville, KY 40207 in Jefferson County. The practice phone is (502) 897-8100.
- Baptist Health Louisville4000 Kresge Way, Louisville, KY 40207 · Jefferson CountyPhone(502) 897-8100
Source: Dmand AI Affiliation Data
Dr. Christopher A. Semder is affiliated with 7 sites of care and 1 medical group
Dr. Semder's primary practice is Baptist Health Louisville in Louisville, Kentucky, part of Baptist Health. Dr. Semder is also affiliated with UofL Health - Jewish Hospital. The medical group on file is Baptist Health Medical Group. Dmand AI also links Dr. Semder to 3 more hospitals, 1 group practice or clinic and 1 therapy and rehab clinic, each named with a free account.
UofL Health - Jewish HospitalBaptist Health Medical Group3 hospitalsNames with a free account1 group practice or clinicName with a free account1 therapy and rehab clinicName with a free account
See all 8 affiliations for Dr. SemderSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher A. Semder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Semder practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Louisville | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Christopher A. Semder is one of 130 interventional cardiologists in Kentucky
Interventional cardiology is Dr. Semder's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dmand AI has Dr. Semder's licenses on file in 2 states: Kentucky and Tennessee.
Specialties and state licenses
- Interventional cardiology, KentuckyPrimary
- Hospitalist, Tennessee
Interventional cardiologists near Dr. Semder
Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
130interventional cardiologists in Kentucky24interventional cardiologists in Louisville5interventional cardiologists at Baptist Health Louisville
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christopher A. Semder billed Medicare for 3,495 services in 2024
CMS data shows 3,495 Medicare services from Dr. Semder across 18 procedure codes in 2024, for 1,982 Medicare patients. Medicare paid $164,533 for them.
Medicare services, 20243,495
Medicare patients1,982
Paid by Medicare$164,533
Procedure codes18
Dr. Semder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,6932024: 2,38711%
- Office and hospital visits
- 2023: 9872024: 1,08210%
- Surgery
- 2023: 182024: 2644%
Where Dr. Semder's Medicare services took place, 2024
- In an office1,24035%
- In a facility2,25565%
Dr. Semder compared with the Kentucky median for interventional cardiologists, 2024
- Dr. Semder
- Kentucky median
- Medicare services
- 3,495vs 2,09667% above
- Medicare patients
- 1,982vs 8942.2 times
- Part D claims
- 3,377vs 2,17355% above
Medians across 129 interventional cardiologists in Kentucky with Dmand AI profiles that report each measure.
Dr. Semder'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Semder and other interventional cardiologists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher A. Semder treated 1,982 Medicare patients in 2024, average age 77
CMS counts 1,982 Medicare patients who saw Dr. Semder in 2024. The largest group is 75 to 84, with 826 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.62, 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. Semder's median patient age at 67, with 52% women.
Medicare patients, 20241,982
Average age77
Average risk score1.62
Also on Medicaid7%
Dr. Semder's Medicare patients by age, 2024
Dr. Semder's Medicare patients by sex, 2024
- Women1,01051%
- Men97249%
Chronic conditions among Dr. Semder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Ischemic heart disease57%
- Heart failure40%
- Atrial fibrillation38%
- Chronic kidney disease38%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Semder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher A. Semder wrote 3,613 Medicare Part D claims in 2024
In 2024, Dr. Semder wrote 3,613 Medicare Part D claims for 707 patients. 84% of them were for generic drugs. CMS names the drug for 3,377 of them, across 44 drugs with 11 or more claims each, at $526,974 in total drug cost. In 2023, CMS named 3,385 claims across 44 drugs.
Part D claims, 20243,613
Drugs named by CMS44
Total drug cost$526,974
Part D patients707
Dr. Semder's Part D claims by kind of drug, 2024
- Generic3,048 claims84%
- Brand-name565 claims16%
Dr. Semder'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.
Drug classes CMS tracks in Dr. Semder's Part D claims, 2024
- Antibiotics0%11 of 3,613 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: 3,3852024: 3,377No change
Drugs named by CMS: 44 in 2024, 44 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. Christopher A. Semder scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Semder for performance year 2024, reported through an alternative payment model (APM). Dr. Semder accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Semder as offering telehealth. CMS counts 44 procedures of coronary angioplasty and stenting by Dr. Semder, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Semder's MIPS scores, performance year 2024
- 94of 100Final score
- 87.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Semder ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 80th percentile44 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Christopher A. Semder has 1 publication on record
Dmand AI links 1 paper to Dr. Semder in 2011. Dr. Semder's most frequent co-author is Robert N. Piana, MD.
Papers1
Dr. Semder's most frequent co-authors
Recent publications by Dr. Semder
See who Dr. Semder researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Semder works with, so you can find a warm path to the right interventional cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher A. Semder has worked on 1 clinical trial
Dmand AI links Dr. Semder to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Foramen Ovale, Patent and Heart Septal Defects, Atrial.
Conditions in Dr. Semder's trials
- Foramen Ovale, Patent
- Heart Septal Defects, Atrial
Investigators on the most trials with Dr. Semder
Recent clinical trials with Dr. Semder
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Christopher A. Semder received $56,559 in industry payments from 2016 to 2025
CMS Open Payments shows 413 general payments to Dr. Semder from 35 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 40% of the total. Boston Scientific Corporation paid the most, $38,069.
General payments to Dr. Semder by program year, 2016 to 2025
General payments to Dr. Semder by kind, 2016 to 2025
$56.6Kin total
- Speaker and faculty fees$22,75040%
- Food and beverage$15,40127%
- Travel and lodging$14,64426%
- Consulting fees$3,6006%
- Other$1310%
Companies that paid Dr. Semder 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. Christopher A. Semder graduated from JC Edwards School of Medicine, Marshall University
Dr. Semder graduated from JC Edwards School of Medicine, Marshall University in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher A. Semder'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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Christopher A. Semder
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. Christopher A. Semder's NPI number?
Dr. Christopher A. Semder's NPI number is 1487858965. It was assigned on June 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher A. Semder?
Dr. Christopher A. Semder is an interventional cardiologist in Louisville, Kentucky. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Christopher A. Semder practice?
Dr. Semder practices at 4000 Kresge Way, Louisville, KY 40207. Dr. Semder's primary practice is Baptist Health Louisville in Louisville, Kentucky, part of Baptist Health. Dmand AI also links Dr. Semder to 3 hospitals, 1 group practice or clinic and 1 therapy and rehab clinic.
What is Dr. Christopher A. Semder's office phone number?
The practice phone on file for Dr. Semder is (502) 897-8100.
What is Dr. Christopher A. Semder's medical license number?
Dr. Semder holds Kentucky license 47319, one of the licenses on file in 2 states.
Which states has Dr. Christopher A. Semder been licensed in?
Dmand AI has state licenses on file for Dr. Semder in Kentucky and Tennessee.
Which hospitals is Dr. Christopher A. Semder affiliated with?
Dr. Semder practices at Baptist Health Louisville in Louisville, Kentucky. Dr. Semder is also affiliated with UofL Health - Jewish Hospital. Dmand AI links Dr. Semder to 3 more hospitals.
What medical group is Dr. Christopher A. Semder part of?
Dr. Semder is linked to Baptist Health Medical Group.
Does Dr. Christopher A. Semder accept Medicare?
Yes. CMS data shows Dr. Semder billed Medicare for 3,495 services in 2024, and Dr. Semder accepts Medicare assignment.
Does Dr. Christopher A. Semder offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Semder as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Christopher A. Semder's MIPS score?
Dr. Semder's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Christopher A. Semder see?
CMS counts 1,982 Medicare patients who saw Dr. Semder in 2024, with an average age of 77.
What services does Dr. Christopher A. Semder bill to Medicare?
In 2024, Dr. Semder's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93000).
Where did Dr. Christopher A. Semder go to medical school?
Dr. Semder graduated from JC Edwards School of Medicine, Marshall University in 2007.
What drugs does Dr. Christopher A. Semder prescribe most?
In 2024 Medicare Part D data, Dr. Semder's most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Carvedilol.
Has Dr. Christopher A. Semder received payments from drug or device companies?
CMS Open Payments shows $56,559 in general payments to Dr. Semder from 35 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Christopher A. Semder been practicing?
Dr. Semder graduated from medical school in 2007, 19 years ago.
Does Dr. Christopher A. Semder do research?
Dmand AI links 1 publication to Dr. Semder. Dr. Semder has worked on 1 clinical trial.
Who does Dr. Christopher A. Semder publish with?
Dr. Semder's most frequent co-authors are Robert N. Piana, MD (1 shared paper).
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