Dr. Kai Sun, MD

  • Durham, NC
  • Internist
NPI1568758001PAC ID7517266992
Medicare services, 2024
50
Medicare patients, 2024
30
Part D claims, 2024
314
Hospital affiliations
3
Industry payments
$303
Practice address
2301 Erwin Rd, Durham, NC 27705
Practice phone
Call (919) 684-8111
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Duke University Hospital

Hospital · Durham, North Carolina

See all 4 affiliations

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Dr. Kai Sun is an internist in Durham, North Carolina

Dr. Sun practices at Duke University Hospital in Durham, North Carolina, part of Duke University.

Dr. Sun's NPI, 1568758001, was assigned on June 23, 2011. Dr. Sun graduated from Washington University School of Medicine in 2011. Dr. Sun holds Illinois license 125059863.

NPI and contact details
Medicare PAC ID
7517266992
NPI enumeration date
June 23, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(919) 684-8111
Professional email
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Personal email
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Mobile number
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Sex
Female
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)

Dr. Kai Sun practices at Duke University Hospital in Durham, North Carolina

Dr. Sun's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.

Source: Dmand AI Affiliation Data

Dr. Kai Sun is affiliated with 3 sites of care and 1 medical group

Dr. Sun's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dr. Sun is also affiliated with Duke Regional Hospital. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Sun to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Sun

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Kai Sun's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Duke University HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kai Sun is one of 3,705 internists in North Carolina

Internal medicine is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sun is licensed in Illinois.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 125059863 · taxonomy 207R00000X

Internists near Dr. Sun

Counts of internists 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. Kai Sun billed Medicare for 50 services in 2024

CMS data shows 50 Medicare services from Dr. Sun across 2 procedure codes in 2024, for 30 Medicare patients. Medicare paid $2,590 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202450
Medicare patients30
Paid by Medicare$2,590
Procedure codes2

Dr. Sun's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 02024: 28
Office and hospital visits
2023: 572024: 2261%

Dr. Sun compared with the North Carolina median for internists, 2024

  • Dr. Sun
  • North Carolina median
Medicare services
50vs 52190% below
Medicare patients
30vs 18584% below
Part D claims
161vs 27241% below

Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.

Dr. Sun'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.

See all procedures by Dr. Sun

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Kai Sun treated 30 Medicare patients in 2024, average age 67

CMS counts 30 Medicare patients who saw Dr. Sun in 2024. The largest group is 65 to 74, with 13 patients. 67% of them have high cholesterol, and 63% have arthritis. Their average risk score is 1.38, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sun's median patient age at 63, with 83% women.

Medicare patients, 202430
Average age67
Average risk score1.38

Dr. Sun's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Sun's Medicare patients, 2024

  1. High cholesterol67%
  2. Arthritis63%
  3. High blood pressure63%
  4. Chronic kidney disease47%
  5. Mood disorders37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Sun'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

  • Women83%
  • Men16%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Kai Sun wrote 314 Medicare Part D claims in 2024

In 2024, Dr. Sun wrote 314 Medicare Part D claims for 82 patients. 81% of them were for generic drugs. CMS names the drug for 161 of them, across 8 drugs with 11 or more claims each, at $289,435 in total drug cost. In 2023, CMS named 382 claims across 13 drugs.

Part D claims, 2024314
Drugs named by CMS8
Total drug cost$289,435
Part D patients82

Dr. Sun's Part D claims by kind of drug, 2024

  • Generic254 claims81%
  • Brand-name60 claims19%

Dr. Sun'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: 3822024: 16158%

Drugs named by CMS: 8 in 2024, 13 in 2023.

See all prescribing by Dr. Sun

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. Kai Sun takes part in Medicare

Dr. Sun 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)

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Dr. Kai Sun received $303 in industry payments from 2016 to 2025

CMS Open Payments shows 5 general payments to Dr. Sun from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $116.

General payments to Dr. Sun by program year, 2016 to 2025

Companies that paid Dr. Sun the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sun

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

Dr. Kai Sun graduated from Washington University School of Medicine

Dr. Sun graduated from Washington University School of Medicine in 2011.

  1. Medical schoolWashington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Kai Sun'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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Kai Sun

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. Kai Sun's NPI number?

Dr. Kai Sun's NPI number is 1568758001. It was assigned on June 23, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Kai Sun?

Dr. Kai Sun is an internist in Durham, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Kai Sun practice?

Dr. Sun practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Sun's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Sun to 1 hospital.

What is Dr. Kai Sun's office phone number?

The practice phone on file for Dr. Sun is (919) 684-8111.

What is Dr. Kai Sun's medical license number?

Dr. Sun holds Illinois license 125059863.

Which hospitals is Dr. Kai Sun affiliated with?

Dr. Sun practices at Duke University Hospital in Durham, North Carolina. Dr. Sun is also affiliated with Duke Regional Hospital. Dmand AI links Dr. Sun to 1 more hospital.

What medical group is Dr. Kai Sun part of?

Dr. Sun is linked to Duke Health Integrated Practice.

Does Dr. Kai Sun accept Medicare?

Yes. CMS data shows Dr. Sun billed Medicare for 50 services in 2024, and Dr. Sun accepts Medicare assignment.

How many Medicare patients does Dr. Kai Sun see?

CMS counts 30 Medicare patients who saw Dr. Sun in 2024, with an average age of 67.

What services does Dr. Kai Sun bill to Medicare?

In 2024, Dr. Sun's most billed Medicare services were medicare service (G2211) and office visit, established patient (99215).

Show 4 more questionsShow fewer questions

Where did Dr. Kai Sun go to medical school?

Dr. Sun graduated from Washington University School of Medicine in 2011.

What drugs does Dr. Kai Sun prescribe most?

In 2024 Medicare Part D data, Dr. Sun's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methotrexate.

Has Dr. Kai Sun received payments from drug or device companies?

CMS Open Payments shows $303 in general payments to Dr. Sun from 3 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Kai Sun been practicing?

Dr. Sun graduated from medical school in 2011, 15 years ago.

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