NPPES file of Aug 9, 2026

Mary Z. Johnson, M.S., CCC-SPL

Speech-Language Pathologist · Mesa, AZ

Mary Z. Johnson, M.S., CCC-SPL is a speech-language pathologist with a practice address in Mesa, Arizona, and NPI 1528120532, issued on Dec 15, 2006. Check the license (Arizona SLP0302, 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
1528120532
Name
Mary Z. Johnson
Credential
M.S., CCC-SPL
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
SLP0302 AZ
Self-reported in NPPES; status is on the state search
Practice location
950 N Sunvalley Blvd, Mesa, AZ 85207
Phone
(480) 472-3989
Enumerated
Dec 15, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Also registered at 950 N Sunvalley Blvd

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

  1. Amanda Murphy, CCC-SLPSpeech-Language Pathologist1588913156

Verify Mary Z. Johnson 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 SLP0302
    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

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Mary Z. Johnson among 4,510 speech-language pathologist records in Arizona

Mary Z. Johnson, M.S., CCC-SPL is one of 4,510 speech-language pathologist records with a practice address in Arizona. 2% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 92% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

424 speech-language pathologist records list a practice address in Mesa

They are 424 of the 9,151 NPPES records with a practice address in Mesa, and 4,510 speech-language pathologist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 speech-language pathologist records with the nearest ZIP codes

  1. Judith Baldwin, SLPMesa, AZ 852071417022823
  2. Katy Blessum, CCC-SLPMesa, AZ 852071932226800
  3. Barbara BowenMesa, AZ 852071053709287
  4. Sheila Constantino, MA,CCC-SLPMesa, AZ 852071598967358
  5. Lori Desmond, MS CCC-SLPMesa, AZ 852071265571624
  6. Aimee EdwardsMesa, AZ 852071336474998
  7. Stacey Ford, CCC-SLPMesa, AZ 852071639309164
  8. Helen Jaffa, M.A. CCC-SLPMesa, AZ 852071619936135

Common questions

What is Mary Z. Johnson, M.S., CCC-SPL's NPI number?

Mary Z. Johnson, M.S., CCC-SPL's National Provider Identifier (NPI) is 1528120532, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Z. Johnson, M.S., CCC-SPL located?

The NPPES record lists a practice address at 950 N Sunvalley Blvd, Mesa, AZ, 85207. Phone: (480) 472-3989. Providers update this record themselves, so call before visiting.

How can I verify Mary Z. Johnson, M.S., CCC-SPL's license?

NPPES lists Arizona license number SLP0302, 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.

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.