NPPES file of Aug 9, 2026

Mary Louise Langan

School Psychologist · Phoenix, AZ

Mary Louise Langan is a school psychologist with a practice address in Phoenix, Arizona, and NPI 1952528960, issued on Apr 19, 2007. Check the license (Arizona 1550159, 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
1952528960
Name
Mary Louise Langan
Primary taxonomy
School Psychologist 103TS0200X
License number
1550159 AZ
Self-reported in NPPES; status is on the state search
Practice location
5601 N 16TH St, Phoenix, AZ 85016
Phone
(602) 664-7931
Enumerated
Apr 19, 2007
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 5601 N 16TH St

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

  1. Thomas Affeldt, LPNLicensed Practical Nurse1912141573
  2. Barbara Apfel, ED.MPsychologist1558488403
  3. Elizabeth ArenasSpeech-Language Pathologist1568584241
  4. Nina BallingerSchool Psychologist1669594354
  5. Shelley Bates, LPNLicensed Practical Nurse1972639771
  6. Patricia Bley, RNSchool Registered Nurse1528583580

Verify Mary Louise Langan 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 1550159
    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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Mary Louise Langan among 968 school psychologist records in Arizona

Mary Louise Langan is one of 968 school psychologist records with a practice address in Arizona. under 1% 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 2007, is newer than 6% of them.

  • NPI issued2007 · 6% of these records are older, 47% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TS0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

School Psychologist providers in Arizona

There are 968 school psychologist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 school psychologist records with the nearest ZIP codes

  1. Nina BallingerPhoenix, AZ 850161669594354
  2. Casie BlountPhoenix, AZ 850161548575426
  3. Jennifer CotterPhoenix, AZ 850161386888931
  4. Thomas Gambrel, PHD, NCSP, LICENSEDPhoenix, AZ 850161043824329
  5. Jennifer GuthriePhoenix, AZ 850161043496227
  6. Marcia HamiltonPhoenix, AZ 850161609998202
  7. Jessica HobartPhoenix, AZ 850161386879047
  8. Andrea Laffitte, M.A.Phoenix, AZ 850161992851091

Common questions

What is Mary Louise Langan's NPI number?

Mary Louise Langan's National Provider Identifier (NPI) is 1952528960, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mary Louise Langan located?

The NPPES record lists a practice address at 5601 N 16TH St, Phoenix, AZ, 85016. Phone: (602) 664-7931. Providers update this record themselves, so call before visiting.

How can I verify Mary Louise Langan's license?

NPPES lists Arizona license number 1550159, 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.