NPPES file of Aug 9, 2026

John M. Kozak, MD

Physical Medicine & Rehabilitation Physician · Phoenix, AZ

John M. Kozak, MD is a physical medicine & rehabilitation physician with a practice address in Phoenix, Arizona, and NPI 1609833409, issued on Apr 27, 2006. Check the license (Arizona 23442, as entered in NPPES) on the Arizona Medical Board; 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
1609833409
Name
John M. Kozak
Credential
MD
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
23442 AZ
Self-reported in NPPES; status is on the state search
Practice location
4530 East Muirwood Drive, Phoenix, AZ 85048
Phone
(480) 763-5808
Enumerated
Apr 27, 2006
Record last updated
Jan 11, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(480) 759-0647
Medicaid ID
319279 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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Verify John M. Kozak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 23442
    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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John M. Kozak among 274 physical medicine & rehabilitation physician records in Arizona

John M. Kozak, MD is one of 274 physical medicine & rehabilitation physician records with a practice address in Arizona. 62% 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 65% newer
  • In a Medicare fileNo · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 54% of these records are
  • Record last updated2010 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Arizona

There are 274 physical medicine & rehabilitation physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Vernon Crisp, DOPhoenix, AZ 850481174502207
  2. Ryan Denny, DPTPhoenix, AZ 850481730773896
  3. Dylan Kassenbrock, D.O.Phoenix, AZ 850481124792585
  4. Anthony Kenrick, MDPhoenix, AZ 850481972032803
  5. Logan Leavitt, DOPhoenix, AZ 850481316563489
  6. Garrett Wahl, MDPhoenix, AZ 850481780264200
  7. Chase Young, MDPhoenix, AZ 850481801479498
  8. Peter Kubitz, D.O.Phoenix, AZ 850501750373718

Common questions

What is John M. Kozak, MD's NPI number?

John M. Kozak, MD's National Provider Identifier (NPI) is 1609833409, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John M. Kozak, MD located?

The NPPES record lists a practice address at 4530 East Muirwood Drive, Phoenix, AZ, 85048. Phone: (480) 763-5808. Providers update this record themselves, so call before visiting.

How can I verify John M. Kozak, MD's license?

NPPES lists Arizona license number 23442, 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.

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.

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.