Mark Andrew Kleman
- Medicare services, 2024
- 457
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 2,875
- Hospital affiliations
- 5
- Industry payments
- $138
- Practice address
- 101 Manning Drive, Chapel Hill, NC 27514
- Practice phone
- Call (919) 966-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Kleman'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.
Mark Andrew Kleman is a nephrologist in Chapel Hill, North Carolina
Mark Kleman practices at UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System.
Mark Kleman's NPI, 1851698237, was assigned on February 21, 2011. Mark Kleman holds North Carolina license 2017-00852.
- NPI
- 1851698237NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082831565
- NPI enumeration date
- February 21, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (919) 966-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Andrew Kleman practices at UNC Hospitals in Chapel Hill, North Carolina
Mark Kleman's primary practice is UNC Hospitals, at 101 Manning Drive, Chapel Hill, NC 27514 in Orange County. The practice phone is (919) 966-4141.
- UNC Hospitals101 Manning Drive, Chapel Hill, NC 27514 · Orange CountyPhone(919) 966-4141
Source: Dmand AI Affiliation Data
Mark Andrew Kleman is affiliated with 6 sites of care and 2 medical groups
Mark Kleman's primary practice is UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System. Mark Kleman is also affiliated with UNC Health Rex. The medical group on file is UNC Faculty Physicians. Dmand AI also links Mark Kleman to 3 more hospitals, 1 therapy and rehab clinic 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 Mark Andrew Kleman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Kleman practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNC Hospitals | Available with a free account |
| +5 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 University of North Carolina Health Care System and 6.2K+ hospitals, with verified contacts in the same login.
Mark Andrew Kleman is one of 348 nephrologists in North Carolina
Nephrology is Mark Kleman's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Mark Kleman is licensed in North Carolina.
Specialties and state licenses
- Nephrology, North CarolinaPrimary
Nephrologists near Mark Kleman
Counts of nephrologists 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
Mark Andrew Kleman billed Medicare for 457 services in 2024
CMS data shows 457 Medicare services from Mark Kleman across 5 procedure codes in 2024, for 155 Medicare patients. Medicare paid $27,752 for them.
Mark Kleman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3952024: 32817%
- Other services
- 2023: 02024: 129
- Tests and treatments
- 2023: 742024: 0100%
Where Mark Kleman's Medicare services took place, 2024
- In an office35077%
- In a facility10723%
Mark Kleman compared with the North Carolina median for nephrologists, 2024
- Mark Kleman
- North Carolina median
- Medicare services
- 457vs 1,04656% below
- Medicare patients
- 155vs 29748% below
- Part D claims
- 2,461vs 7323.4 times
Medians across 346 nephrologists in North Carolina with Dmand AI profiles that report each measure.
Mark Kleman'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 Mark Kleman?
Medicare shows one payer. Book a meeting to get commercial claims data for Mark Kleman and other nephrologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark Andrew Kleman treated 155 Medicare patients in 2024, average age 60
CMS counts 155 Medicare patients who saw Mark Kleman in 2024. The largest group is under 65, with 74 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 32% are also on Medicaid. Their average risk score is 4.81, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Kleman's median patient age at 63, with 44% women.
Mark Kleman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mark Kleman's Medicare patients by sex, 2024
- Women7246%
- Men8354%
Chronic conditions among Mark Kleman's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol70%
- Diabetes66%
- Arthritis42%
- Heart failure36%
- Anxiety30%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Mark Kleman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Andrew Kleman wrote 2,875 Medicare Part D claims in 2024
In 2024, Mark Kleman wrote 2,875 Medicare Part D claims for 195 patients. 86% of them were for generic drugs. CMS names the drug for 2,461 of them, across 52 drugs with 11 or more claims each, at $550,920 in total drug cost. In 2023, CMS named 2,025 claims across 49 drugs.
Mark Kleman's Part D claims by kind of drug, 2024
- Generic2,471 claims86%
- Brand-name333 claims12%
- Other71 claims2%
Mark Kleman'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 Mark Kleman's Part D claims, 2024
- Antibiotics5%134 of 2,875 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: 2,0252024: 2,46122%
Drugs named by CMS: 52 in 2024, 49 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
Mark Andrew Kleman offers telehealth to Medicare patients
Mark Kleman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mark Kleman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- 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.
Mark Andrew Kleman received $138 in industry payments from 2017 to 2025
CMS Open Payments shows 4 general payments to Mark Kleman from 4 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. OPKO Pharmaceuticals, LLC paid the most, $63.
General payments to Mark Kleman by program year, 2017 to 2025
Companies that paid Mark Kleman the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark Andrew Kleman'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Mark Andrew Kleman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Andrew Kleman's NPI number?
Mark Andrew Kleman's NPI number is 1851698237. It was assigned on February 21, 2011, and it is active in the NPI Registry.
What does Mark Andrew Kleman specialize in?
Mark Andrew Kleman is a nephrologist in Chapel Hill, North Carolina. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Mark Andrew Kleman practice?
Mark Kleman practices at 101 Manning Drive, Chapel Hill, NC 27514. Mark Kleman's primary practice is UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System. Dmand AI also links Mark Kleman to 3 hospitals, 1 therapy and rehab clinic and 1 medical group.
What is Mark Andrew Kleman's office phone number?
The practice phone on file for Mark Kleman is (919) 966-4141.
What is Mark Andrew Kleman's medical license number?
Mark Kleman holds North Carolina license 2017-00852.
Which hospitals is Mark Andrew Kleman affiliated with?
Mark Kleman practices at UNC Hospitals in Chapel Hill, North Carolina. Mark Kleman is also affiliated with UNC Health Rex. Dmand AI links Mark Kleman to 3 more hospitals.
What medical group is Mark Andrew Kleman part of?
Mark Kleman is linked to UNC Faculty Physicians. Dmand AI links Mark Kleman to 1 more medical group.
Does Mark Andrew Kleman accept Medicare?
Yes. CMS data shows Mark Kleman billed Medicare for 457 services in 2024, and Mark Kleman accepts Medicare assignment.
Does Mark Andrew Kleman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mark Kleman as offering telehealth services.
How many Medicare patients does Mark Andrew Kleman see?
CMS counts 155 Medicare patients who saw Mark Kleman in 2024, with an average age of 60.
Show 4 more questionsShow fewer questions
What services does Mark Andrew Kleman bill to Medicare?
In 2024, Mark Kleman's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and hospital inpatient care (99233).
What drugs does Mark Andrew Kleman prescribe most?
In 2024 Medicare Part D data, Mark Kleman's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Carvedilol.
Has Mark Andrew Kleman received payments from drug or device companies?
CMS Open Payments shows $138 in general payments to Mark Kleman from 4 companies from 2017 to 2025. The largest total came from OPKO Pharmaceuticals, LLC.
How long has Mark Andrew Kleman been practicing?
Mark Kleman graduated from medical school in 2011, 15 years ago.
Selling to nephrology practices?
See nephrologists 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