NPPES file of Aug 9, 2026

Marek J. Mazur, M.D.

Transplant Surgery Physician · Phoenix, AZ

Marek J. Mazur, M.D. is a transplant surgery physician with a practice address in Phoenix, Arizona, and NPI 1295712172, issued on Dec 30, 2005. Check the license (Arizona 30610, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1295712172
Name
Marek J. Mazur
Credential
M.D.
Primary taxonomy
Transplant Surgery Physician 204F00000X
License number
30610 AZ
Self-reported in NPPES; status is on the state search
Practice location
5779 E Mayo Blvd, Phoenix, AZ 85054
Phone
(480) 301-8000
Enumerated
Dec 30, 2005
Record last updated
Oct 30, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
708935 AZ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest transplant surgery physician records → All 29 in Arizona → Look up another NPI →

Also registered at 5779 E Mayo Blvd

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

  1. Andrew Adamczyk, MDOrthopaedic Surgery Physician1639898620
  2. Paul Andrews, M.D.Urology Physician1710962345
  3. Heidi Apsey, N.P.Nurse Practitioner1437344793
  4. Howard Asaki, P.A.-C.Physician Assistant1801878228
  5. Stacie Attig, AGPCNPNurse Practitioner1902315435
  6. Stephen Bansberg, M.D.Otolaryngology Physician1891770426

Verify Marek J. Mazur in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 30610    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
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Marek J. Mazur among 29 transplant surgery physician records in Arizona

Marek J. Mazur, M.D. is one of 29 transplant surgery physician records with a practice address in Arizona. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 76% newer
  • In a Medicare fileNo · 90% of these records are
  • In the CMS Doctors and Clinicians fileNo · 83% of these records are
  • Record last updated2007 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204F00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Transplant Surgery Physician providers in Arizona

There are 29 transplant surgery physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 29 in Arizona → Every provider in Phoenix → Transplant Surgery Physician nationwide →

The 8 transplant surgery physician records with the nearest ZIP codes

  1. Caroline Jadlowiec, M.D.Phoenix, AZ 850541194985531
  2. Dev Desai, M.D.Phoenix, AZ 850161376626523
  3. Jeffrey Brink, M.D.Phoenix, AZ 850041417952516
  4. James Cashman, M.D.Phoenix, AZ 850041568467678
  5. Thomas Chaly, M.D.Phoenix, AZ 850041558525741
  6. Lawrence Koep, M.D.Phoenix, AZ 850041215932322
  7. Jaime Pineda, MDPhoenix, AZ 850041386887818
  8. Willem Van Der Werf, M.D.Phoenix, AZ 850041275563397

Common questions

What is Marek J. Mazur, M.D.'s NPI number?

Marek J. Mazur, M.D.'s National Provider Identifier (NPI) is 1295712172, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marek J. Mazur, M.D. located?

The NPPES record lists a practice address at 5779 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.

How can I verify Marek J. Mazur, M.D.'s license?

NPPES lists Arizona license number 30610, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.