NPPES file of Aug 9, 2026

Mark A. Wix, MD

Anesthesiology Physician · Phoenix, AZ

Mark A. Wix, MD is an anesthesiology physician with a practice address in Phoenix, Arizona, and NPI 1336170356, issued on Jul 6, 2006. Check the license (Arizona 19315, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336170356
Name
Mark A. Wix
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
19315 AZ
Self-reported in NPPES; status is on the state search
Practice location
250 E Dunlap Ave, Phoenix, AZ 85020
Phone
(602) 273-9333
Enumerated
Jul 6, 2006
Record last updated
May 16, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(480) 609-9350
Medicare enrollment
Enrolled (PECOS I20101123000854); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 1986
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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8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →

Also registered at 250 E Dunlap Ave

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

  1. Celina Acevedo-Adams, AGACNP-BCAcute Care Nurse Practitioner1235700949
  2. Judith Aikawa, MDInternal Medicine Physician1548296056
  3. Ronald Aikawa, MDInternal Medicine Physician1225067564
  4. Hossam Alhabach, M.D.Neurology Physician1578527701
  5. Logan ArchambaultInternal Medicine Physician1235759937
  6. Kevin Asady, MDInternal Medicine Physician1033868740

Verify Mark A. Wix in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 19315    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

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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Bills Medicare through one group practice

  1. Valley Anesthesiology Consultants IncMesa, AZ

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

Mark A. Wix among 1,473 anesthesiology physician records in Arizona

Mark A. Wix, MD is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 44% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1986 · median 2003 among the 984 with a school on file
  • Record last updated2008 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

602 anesthesiology physician records list a practice address in Phoenix

They are 602 of the 31,399 NPPES records with a practice address in Phoenix, and 1,473 anesthesiology physician records in Arizona.

All 1,473 in Arizona → Every provider in Phoenix → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. George Armendariz, M.D.Phoenix, AZ 850201750387783
  2. Alex Barkai, MDPhoenix, AZ 850201215914858
  3. Teresa Edwards, MDPhoenix, AZ 850201114998374
  4. Jose Gozar, M.D.Phoenix, AZ 850201144226911
  5. Toni Harrison, M.D.Phoenix, AZ 850201871599647
  6. Karl Hendrickson, MDPhoenix, AZ 850201477524627
  7. Igor Kravchenko, M.D.Phoenix, AZ 850201669451225
  8. Michael Macabuhay, M.D.Phoenix, AZ 850201841296589

Common questions

What is Mark A. Wix, MD's NPI number?

Mark A. Wix, MD's National Provider Identifier (NPI) is 1336170356, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Wix, MD located?

The NPPES record lists a practice address at 250 E Dunlap Ave, Phoenix, AZ, 85020. Phone: (602) 273-9333. Providers update this record themselves, so call before visiting.

How can I verify Mark A. Wix, MD's license?

NPPES lists Arizona license number 19315, 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. Medicare files from data.cms.gov. 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.