John A. Kern

  • Charlottesville, VA
  • Vascular surgeon
NPI1164591772PAC ID7012926074
Medicare services, 2024
408
Medicare patients, 2024
315
Part D claims, 2019
22
Publications
228
MIPS score, 2024
86
Practice address
1215 Lee St, Charlottesville, VA 22908
Practice phone
Call (434) 760-3439
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UVA University Medical Center

Charlottesville, Virginia

See all 8 affiliations

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John A. Kern is a vascular surgeon in Charlottesville, Virginia

John Kern practices at UVA University Medical Center in Charlottesville, Virginia.

John Kern's NPI, 1164591772, was assigned on November 7, 2006. John Kern graduated from University of Virginia School of Medicine in 1988. John Kern holds Virginia license 0101044374.

NPI and contact details
Medicare PAC ID
7012926074
NPI enumeration date
November 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(434) 760-3439
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

John A. Kern practices at UVA University Medical Center in Charlottesville, Virginia

John Kern's primary practice is UVA University Medical Center, at 1215 Lee St, Charlottesville, VA 22908 in Charlottesville City. The practice phone is (434) 760-3439.

  • UVA University Medical Center
    1215 Lee St, Charlottesville, VA 22908 · Charlottesville CityPhone(434) 760-3439

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

John A. Kern is affiliated with 7 sites of care and 1 medical group

John Kern's primary practice is UVA University Medical Center in Charlottesville, Virginia. John Kern is also affiliated with University Medical Center. The medical group on file is UVA Physicians Group. Dmand AI also links John Kern to 4 more hospitals and 1 home health agency, each named with a free account.

See all 8 affiliations for John Kern

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at John A. Kern's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Kern practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UVA University Medical CenterAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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John A. Kern is one of 142 vascular surgeons in Virginia

Vascular surgery is John Kern's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. John Kern is licensed in Virginia.

Specialties and state licenses

  • Vascular surgery, VirginiaPrimaryLicense 0101044374 · taxonomy 2086S0129X

Clinical focus

Dmand AI lists heart bypass surgery and heart valve surgery among the conditions John Kern treats.

Vascular surgeons near John Kern

Counts of vascular surgeons 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

John A. Kern billed Medicare for 408 services in 2024

CMS data shows 408 Medicare services from John Kern across 11 procedure codes in 2024, for 315 Medicare patients. Medicare paid $69,610 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024408
Medicare patients315
Paid by Medicare$69,610
Procedure codes11

John Kern's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3842024: 33114%
Surgery
2023: 1242024: 7738%

John Kern compared with the Virginia median for vascular surgeons, 2024

  • John Kern
  • Virginia median
Medicare services
408vs 90055% below
Medicare patients
315vs 56644% below
Part D claims
22vs 8574% below

Medians across 137 vascular surgeons in Virginia with Dmand AI profiles that report each measure.

John Kern'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 John Kern

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Medicare shows one payer. Book a meeting to get commercial claims data for John Kern and other vascular surgeons in Virginia.

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

John A. Kern treated 315 Medicare patients in 2024, average age 76

CMS counts 315 Medicare patients who saw John Kern in 2024. The largest group is 65 to 74, with 140 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts John Kern's median patient age at 68, with 36% women.

Medicare patients, 2024315
Average age76
Average risk score1.46
Also on Medicaid5%

John Kern's Medicare patients by age, 2024

John Kern's Medicare patients by sex, 2024

  • Women10032%
  • Men21568%

Chronic conditions among John Kern's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease56%
  4. Arthritis44%
  5. Atrial fibrillation36%
  6. Heart failure34%
  7. Diabetes31%
  8. Chronic kidney disease30%

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

John Kern's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women36%
  • Men63%

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

John A. Kern wrote 22 Medicare Part D claims in 2019

In 2019, John Kern wrote 22 Medicare Part D claims. They cover 2 drugs, with $352 in total drug cost. In 2018, CMS named 14 claims across 1 drug.

Part D claims, 201922
Drugs named by CMS2
Total drug cost$352

John Kern's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 142019: 2257%

Drugs named by CMS: 2 in 2019, 1 in 2018.

See all prescribing by John Kern

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

John A. Kern scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for John Kern for performance year 2024, reported as part of a group. John Kern accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 35 procedures of coronary artery bypass graft (cabg) by John Kern, more than 88% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

John Kern's MIPS scores, performance year 2024

  • 86of 100Final score
  • 79.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where John Kern ranks in Medicare procedure volume

Coronary artery bypass graft (CABG)
88th percentile35 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

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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John A. Kern has 228 publications on record

Dmand AI links 228 papers to John Kern, published from 2004 to 2025. 2017 was the busiest year, with 14. The most frequent topics are Postoperative Complications, Cardiac Surgical Procedures and Virginia. John Kern has published most often in Ann Thorac Surg. John Kern's most frequent co-authors are Irving L. Kron, MD, Gorav Ailawadi, MD and Damien J. Lapar, MD.

Papers228
Years published2004 to 2025

John Kern's papers by year, 2016 to 2025

Topics John Kern writes about most

  • Postoperative Complications
  • Cardiac Surgical Procedures
  • Virginia
  • Heart Valve Prosthesis Implantation
  • Coronary Artery Bypass
  • Blood Vessel Prosthesis Implantation
  • Lung
  • Rabbits

John Kern's most frequent co-authors

Recent publications by John Kern

See all 228 publications and co-authors

See who John Kern researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who John Kern works with, so you can find a warm path to the right vascular surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

John A. Kern received $4,275 in industry payments from 2016 to 2025

CMS Open Payments shows 40 general payments to John Kern from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 64% of the total. W. L. Gore & Associates, Inc. paid the most, $1,514.

General payments to John Kern by program year, 2016 to 2025

General payments to John Kern by kind, 2016 to 2025

$4.3Kin total
  • Food and beverage$2,73664%
  • Travel and lodging$1,31031%
  • Education$2295%

Companies that paid John Kern the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to John Kern

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

John A. Kern has 3 awards and honors on record

Dmand AI lists 3 awards for John Kern, most recently Regional Top Doctor in 2014.

Awards and honors for John Kern

  1. 2014
    • Regional Top Doctor
  2. 2013
    • CMS Stage 1 EHR
  3. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

John A. Kern graduated from University of Virginia School of Medicine

John Kern graduated from University of Virginia School of Medicine in 1988.

  1. Medical schoolUniversity of Virginia School of Medicine

Source: Dmand AI Professional Profile Data

John A. Kern accepts plans from 18 insurance carriers

John Kern is in network with 18 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types John Kern accepts, by number of carriers

  1. PPO12
  2. Medicare11
  3. HMO9
  4. EPO5
  5. POS5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for John A. Kern'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 John A. Kern

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is John A. Kern's NPI number?

John A. Kern's NPI number is 1164591772. It was assigned on November 7, 2006, and it is active in the NPI Registry.

What does John A. Kern specialize in?

John A. Kern is a vascular surgeon in Charlottesville, Virginia. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does John A. Kern practice?

John Kern practices at 1215 Lee St, Charlottesville, VA 22908. John Kern's primary practice is UVA University Medical Center in Charlottesville, Virginia. Dmand AI also links John Kern to 4 hospitals and 1 home health agency.

What is John A. Kern's office phone number?

The practice phone on file for John Kern is (434) 760-3439.

What is John A. Kern's medical license number?

John Kern holds Virginia license 0101044374.

Which hospitals is John A. Kern affiliated with?

John Kern is affiliated with University Medical Center. Dmand AI links John Kern to 4 more hospitals.

What medical group is John A. Kern part of?

John Kern is linked to UVA Physicians Group.

Does John A. Kern accept Medicare?

Yes. CMS data shows John Kern billed Medicare for 408 services in 2024, and John Kern accepts Medicare assignment.

What is John A. Kern's MIPS score?

John Kern's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does John A. Kern see?

CMS counts 315 Medicare patients who saw John Kern in 2024, with an average age of 76.

Show 8 more questionsShow fewer questions

What services does John A. Kern bill to Medicare?

In 2024, John Kern's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99205).

Where did John A. Kern go to medical school?

John Kern graduated from University of Virginia School of Medicine in 1988.

What drugs does John A. Kern prescribe most?

In 2019 Medicare Part D data, John Kern's most prescribed drugs by claims were Ceftriaxone and Prednisone.

Has John A. Kern received payments from drug or device companies?

CMS Open Payments shows $4,275 in general payments to John Kern from 16 companies from 2016 to 2025. The largest total came from W. L. Gore & Associates, Inc.

How long has John A. Kern been practicing?

John Kern graduated from medical school in 1988, 38 years ago.

Does John A. Kern do research?

Dmand AI links 228 publications to John Kern, published from 2004 to 2025.

Who does John A. Kern publish with?

John Kern's most frequent co-authors are Irving L. Kron, MD (132 shared papers), Gorav Ailawadi, MD (80 shared papers) and Damien J. Lapar, MD (39 shared papers).

What insurance does John A. Kern accept?

John Kern is in network with 18 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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