Mark Andrew Kleman

  • Chapel Hill, NC
  • Nephrologist
NPI1851698237PAC ID4082831565
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
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Mobile number
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Social profiles

Primary practice

UNC Hospitals

Hospital · Chapel Hill, North Carolina

See all 8 affiliations

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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 and contact details
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
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Mobile number
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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 Hospitals
    101 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.

See all 8 affiliations for Mark Kleman

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.

EHR by site
SiteEHR vendor and product
UNC HospitalsAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Mark Kleman practices

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 CarolinaPrimaryLicense 2017-00852 · taxonomy 207RN0300X

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.

Medicare services, 2024457
Medicare patients155
Paid by Medicare$27,752
Procedure codes5

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.

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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.

Medicare patients, 2024155
Average age60
Average risk score4.81
Also on Medicaid32%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol70%
  4. Diabetes66%
  5. Arthritis42%
  6. Heart failure36%
  7. Anxiety30%
  8. 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.

Part D claims, 20242,875
Drugs named by CMS52
Total drug cost$550,920
Part D patients195

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.

See all prescribing by Mark Kleman

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)

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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.

See all payments to Mark Kleman

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Mark Andrew Kleman's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

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