J Cardiovasc Magn Reson
Dr. Igor Klem, MD
- Medicare services, 2024
- 924
- Medicare patients, 2024
- 650
- Part D claims, 2024
- 538
- Publications
- 66
- Hospital affiliations
- 1
- Practice address
- 2301 Erwin Rd, Durham, NC 27705
- Practice phone
- Call (919) 684-8111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Klem'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. Igor Klem is a cardiologist in Durham, North Carolina
Dr. Klem practices at Duke University Hospital in Durham, North Carolina, part of Duke University.
Dr. Klem's NPI, 1104042936, was assigned on April 18, 2007. Dr. Klem holds North Carolina license 2006-01638.
- NPI
- 1104042936NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335230093
- NPI enumeration date
- April 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 684-8111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Igor Klem practices at Duke University Hospital in Durham, North Carolina
Dr. Klem's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.
- Duke University Hospital2301 Erwin Rd, Durham, NC 27705 · Durham CountyPhone(919) 684-8111
Source: Dmand AI Affiliation Data
Dr. Igor Klem is affiliated with 3 sites of care and 2 medical groups
Dr. Klem's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Klem to 2 more group practices and clinics 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. Igor Klem's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klem practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke University Hospital | Available with a free account |
| +2 more sites 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 Duke University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Igor Klem is one of 726 cardiologists in North Carolina
Cardiovascular disease is Dr. Klem's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Klem is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Klem is licensed in North Carolina.
Specialties and state licenses
- Cardiovascular disease, North CarolinaPrimary
Cardiologists near Dr. Klem
Counts of cardiologists 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. Igor Klem billed Medicare for 924 services in 2024
CMS data shows 924 Medicare services from Dr. Klem across 18 procedure codes in 2024, for 650 Medicare patients. Medicare paid $55,973 for them.
Dr. Klem's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3352024: 37111%
- Imaging
- 2023: 2962024: 3229%
- Tests and treatments
- 2023: 3472024: 23133%
- Drugs given in the office
- 2023: 522024: 0100%
Where Dr. Klem's Medicare services took place, 2024
- In an office23025%
- In a facility69475%
Dr. Klem compared with the North Carolina median for cardiologists, 2024
- Dr. Klem
- North Carolina median
- Medicare services
- 924vs 1,71046% below
- Medicare patients
- 650vs 75314% below
- Part D claims
- 415vs 1,87978% below
Medians across 724 cardiologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Klem'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. Klem?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klem and other cardiologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Igor Klem treated 650 Medicare patients in 2024, average age 74
CMS counts 650 Medicare patients who saw Dr. Klem in 2024. The largest group is 65 to 74, with 279 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.83, 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. Klem's median patient age at 71, with 49% women.
Dr. Klem's Medicare patients by age, 2024
Dr. Klem's Medicare patients by sex, 2024
- Women29846%
- Men35254%
Chronic conditions among Dr. Klem's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Heart failure46%
- Ischemic heart disease46%
- Atrial fibrillation44%
- Chronic kidney disease38%
- Diabetes38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klem's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Igor Klem wrote 538 Medicare Part D claims in 2024
In 2024, Dr. Klem wrote 538 Medicare Part D claims for 136 patients. 91% of them were for generic drugs. CMS names the drug for 415 of them, across 16 drugs with 11 or more claims each, at $51,640 in total drug cost. In 2023, CMS named 361 claims across 15 drugs.
Dr. Klem's Part D claims by kind of drug, 2024
- Generic490 claims91%
- Brand-name48 claims9%
Dr. Klem'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: 3612024: 41515%
Drugs named by CMS: 16 in 2024, 15 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
How Dr. Igor Klem takes part in Medicare
Dr. Klem 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Igor Klem has 66 publications on record
Dmand AI links 66 papers to Dr. Klem, published from 2010 to 2025. 2017 was the busiest year, with 10. The most frequent topics are Magnetic Resonance Imaging, Cine, Predictive Value of Tests and Magnetic Resonance Imaging. Dr. Klem has published most often in PLoS One. Dr. Klem's most frequent co-authors are John F. Heitner, MD, Han Woong Kim, MD and Dipan Shah, MD.
Dr. Klem's papers by year, 2015 to 2025
Topics Dr. Klem writes about most
- Magnetic Resonance Imaging, Cine
- Predictive Value of Tests
- Magnetic Resonance Imaging
- Stroke Volume
- Coronary Artery Disease
- Electrocardiography
- Myocardium
- Coronary Angiography
Dr. Klem's most frequent co-authors
Recent publications by Dr. Klem
J Cardiovasc Magn Reson
Vasc Health Risk Manag
See who Dr. Klem researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klem works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Igor Klem received $13,623 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Klem from 5 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 92% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $13,101.
General payments to Dr. Klem by program year, 2016 to 2025
General payments to Dr. Klem by kind, 2016 to 2025
- Consulting fees$12,50092%
- Travel and lodging$6014%
- Food and beverage$5224%
Companies that paid Dr. Klem 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. Igor Klem is board certified in cardiovascular disease
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Igor Klem'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) |
| 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. Igor Klem
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. Igor Klem's NPI number?
Dr. Igor Klem's NPI number is 1104042936. It was assigned on April 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Igor Klem?
Dr. Igor Klem is a cardiologist in Durham, North Carolina. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Igor Klem practice?
Dr. Klem practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Klem's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Klem to 2 group practices and clinics and 1 medical group.
What is Dr. Igor Klem's office phone number?
The practice phone on file for Dr. Klem is (919) 684-8111.
What is Dr. Igor Klem's medical license number?
Dr. Klem holds North Carolina license 2006-01638.
Which hospitals is Dr. Igor Klem affiliated with?
Dr. Klem practices at Duke University Hospital in Durham, North Carolina.
What medical group is Dr. Igor Klem part of?
Dr. Klem is linked to Duke Health Integrated Practice. Dmand AI links Dr. Klem to 1 more medical group.
Does Dr. Igor Klem accept Medicare?
Yes. CMS data shows Dr. Klem billed Medicare for 924 services in 2024, and Dr. Klem accepts Medicare assignment.
How many Medicare patients does Dr. Igor Klem see?
CMS counts 650 Medicare patients who saw Dr. Klem in 2024, with an average age of 74.
Is Dr. Igor Klem board certified?
Yes. Dr. Klem is board certified in cardiovascular disease by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Igor Klem bill to Medicare?
In 2024, Dr. Klem's most billed Medicare services were diagnostic imaging (75561), office visit, established patient (99214) and hospital inpatient care (99222).
What drugs does Dr. Igor Klem prescribe most?
In 2024 Medicare Part D data, Dr. Klem's most prescribed drugs by claims were Metoprolol Succinate, Carvedilol and Amlodipine Besylate.
Has Dr. Igor Klem received payments from drug or device companies?
CMS Open Payments shows $13,623 in general payments to Dr. Klem from 5 companies from 2016 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Igor Klem been practicing?
Dr. Klem graduated from medical school in 1997, 29 years ago.
Does Dr. Igor Klem do research?
Dmand AI links 66 publications to Dr. Klem, published from 2010 to 2025.
Who does Dr. Igor Klem publish with?
Dr. Klem's most frequent co-authors are John F. Heitner, MD (25 shared papers), Han Woong Kim, MD (18 shared papers) and Dipan Shah, MD (14 shared papers).
Selling to cardiovascular disease practices?
See cardiologists in North Carolina by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card