NPPES file of Aug 9, 2026

John Alexander

Cardiovascular Disease Physician · Durham, NC

John Alexander is a cardiovascular disease physician with a practice address in Durham, North Carolina, and NPI 1831282094, issued on Oct 2, 2006. Check the license (North Carolina 96-00017, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831282094
Name
John Alexander
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
96-00017 NC
Self-reported in NPPES; status is on the state search
Practice location
Duke University Medical Ctr, Durham, NC 27710
Phone
(919) 620-4467
Enumerated
Oct 2, 2006
Record last updated
Mar 21, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
891130F NC
Medicare enrollment
Enrolled (PECOS I20100308000944); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at Duke University Medical Ctr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thomas AberantHematology & Oncology Physician1932282175
  2. Lance Adams, PA-CPhysician Assistant1073940326
  3. Swati Agrawal, M.D.Internal Medicine Physician1922191188
  4. Patricia AllushuskiCertified Registered Nurse Anesthetist1538258090
  5. Lisa Amaya-Jackson, M.D.Psychiatry Physician1841373081
  6. Annette Ansong, MDPediatric Cardiology Physician1780841668

Verify John Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 96-00017
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

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88% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

380 Medicare Part D claims for 112 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. John Alexander380
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium65 claims
  2. Carvedilol33 claims
  3. Losartan Potassium29 claims
  4. Metoprolol Succinate29 claims
  5. Amlodipine Besylate24 claims
  6. Eliquis23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $7,000.00

2 payments; by number, the most common kind was consulting fee; the largest payer was Eli Lilly and Company. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Alexander$7,000.00
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Duke Health Integrated Practice IncDurham, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Alexander among 841 cardiovascular disease physician records in North Carolina

John Alexander is one of 841 cardiovascular disease physician records with a practice address in North Carolina. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 42% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1993 · median 1999 among the 606 with a school on file
  • Record last updated2013 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in North Carolina

There are 841 cardiovascular disease physician records in North Carolina.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Thomas Bashore, M.D.Durham, NC 277101659454890
  2. Anna Lisa Chamis, M.D.Durham, NC 277101750464905
  3. Anita Cook, NPDurham, NC 277101326121575
  4. Lawrence CrawfordDurham, NC 277101932282183
  5. Sandesh Dev, MDDurham, NC 277101033182407
  6. Mark Donahue, M.D.Durham, NC 277101699876797
  7. Victor Dzau, M.D.Durham, NC 277101831188820
  8. Afshin Farzaneh-Far, M.D.Durham, NC 277101093740052

Common questions

What is John Alexander's NPI number?

John Alexander's National Provider Identifier (NPI) is 1831282094, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Alexander located?

The NPPES record lists a practice address at Duke University Medical Ctr, Durham, NC, 27710. Phone: (919) 620-4467. Providers update this record themselves, so call before visiting.

How can I verify John Alexander's license?

NPPES lists North Carolina license number 96-00017, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Alexander prescribe under Medicare Part D?

In 2024, John Alexander had 380 Medicare Part D claims for 112 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.