NPPES file of Aug 9, 2026

Kevin John Klassen, MD

Cardiovascular Disease Physician · Scottsdale, AZ

Kevin John Klassen, MD is a cardiovascular disease physician with a practice address in Scottsdale, Arizona, and NPI 1184600082, issued on Dec 22, 2005. Check the license (Arizona 23228, as entered in NPPES) on the Arizona 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
1184600082
Name
Kevin John Klassen
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
23228 AZ
Self-reported in NPPES; status is on the state search
Practice location
7400 N Dobson RD Ste 201, Scottsdale, AZ 85256
Phone
(602) 521-3166
Enumerated
Dec 22, 2005
Record last updated
Oct 9, 2025
Fax
(602) 439-6036
Medicaid ID
337528 AZ
Medicare enrollment
Enrolled (PECOS I20100812000866); accepts Medicare assignment
Medical or professional school
Un Of California, Irvine, College Of Medicine, 1988
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 7400 N Dobson RD Ste 201

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

  1. Shannon Hohnstein, FNP-CFamily Nurse Practitioner1346822095
  2. Elysia MesaPhysician Assistant1023742566
  3. Midhat PatelOrthopaedic Surgery Physician1508354499
  4. Stephanie ResslerAcute Care Nurse Practitioner1285041509
  5. Damien Richardson, MDOrthopaedic Surgery Physician1487917068
  6. David Rizik, MDCardiovascular Disease Physician1700862984

Verify Kevin John Klassen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 23228
    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 Arizona license search

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25% more Medicare Part D claims than the average cardiovascular disease physician in 2024

3,848 Medicare Part D claims for 831 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. Kevin Klassen3,848
  2. Specialty average3,078

Most prescribed

  1. Rosuvastatin Calcium549 claims
  2. Amlodipine Besylate333 claims
  3. Metoprolol Succinate272 claims
  4. Atorvastatin Calcium271 claims
  5. Losartan Potassium218 claims
  6. Eliquis193 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: $59.25

3 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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. Kevin Klassen$59.25
  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 2 group practices

  1. Banner - University Physician Specialists LLCScottsdale, AZ
  2. Honorhealth AmbulatoryScottsdale, AZ

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

Cardiovascular Disease Physician providers in Arizona

There are 488 cardiovascular disease physician records in Arizona.

Other cardiovascular disease physician records in Arizona

  1. Mahmoud Abdelnabi, MDScottsdale, AZ1548934714
  2. Kanaan Abow Alkhier, MD, RPVI, RCS, RVSLake Havasu City, AZ1235842808
  3. Anas Abudan, MDYuma, AZ1265937809
  4. Tushar Acharya, M.D.Tucson, AZ1922313774
  5. Afroze Ahmad, MDMesa, AZ1164484440
  6. Mohamed Ahmed, M.D.Bullhead City, AZ1598776270
  7. M. Jamil Akhtar, M.D.Tempe, AZ1013981067
  8. Zaher Akkad, M.D.Phoenix, AZ1952308454
  9. Muhanad Al-Zubaidi, MDChandler, AZ1952627622
  10. Khaled Albasha, M.D.Gilbert, AZ1932147477

Common questions

What is Kevin John Klassen, MD's NPI number?

Kevin John Klassen, MD's National Provider Identifier (NPI) is 1184600082, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kevin John Klassen, MD located?

The NPPES record lists a practice address at 7400 N Dobson RD Ste 201, Scottsdale, AZ, 85256. Phone: (602) 521-3166. Providers update this record themselves, so call before visiting.

How can I verify Kevin John Klassen, MD's license?

NPPES lists Arizona license number 23228, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kevin John Klassen, MD prescribe under Medicare Part D?

In 2024, Kevin John Klassen, MD had 3,848 Medicare Part D claims for 831 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.