NPPES file of Aug 9, 2026

Mary Lou Leitner, FNP

Family Nurse Practitioner · Tucson, AZ

Mary Lou Leitner, FNP is a family nurse practitioner with a practice address in Tucson, Arizona, and NPI 1730161829, issued on Nov 15, 2005. Check the license (Arizona RN017399, 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
1730161829
Name
Mary Lou Leitner
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN017399 AZ
Self-reported in NPPES; status is on the state search
Practice location
839 W Congress St, Tucson, AZ 85745
Phone
(520) 792-9890
Enumerated
Nov 15, 2005
Record last updated
Jul 13, 2026
Fax
(520) 670-3816
Medicaid ID
760076 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 family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →

Also registered at 839 W Congress St

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

  1. Denise Ahearn, MDPediatrics Physician1194719047
  2. Melinda Arias, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1720688369
  3. Andrew Arthur, MDPediatrics Physician1962484048
  4. Vienna Aslanian, LCSWClinical Social Worker1437743523
  5. James Austin, CNMAdvanced Practice Midwife1205398682
  6. Michelle Baas, CNMAdvanced Practice Midwife1164155487

Verify Mary Lou Leitner 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 RN017399    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 Lou Leitner among 5,933 family nurse practitioner records in Arizona

Mary Lou Leitner, FNP is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% 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, 98% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2026 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

907 family nurse practitioner records list a practice address in Tucson

They are 907 of the 18,788 NPPES records with a practice address in Tucson, and 5,933 family nurse practitioner records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,933 in Arizona → Every provider in Tucson → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Alicia Aguilar, FNP-CTucson, AZ 857451982888962
  2. Deane Apperson, F.N.P.Tucson, AZ 857451902885932
  3. Kane Gronback, APRNTucson, AZ 857451356789226
  4. Dulce Hammett, FNPTucson, AZ 857451235475732
  5. Rose Harris, FNPTucson, AZ 857451497175293
  6. Tab Hoyt, FNPTucson, AZ 857451174666564
  7. Sherrie Kelly, FNPTucson, AZ 857451134315070
  8. Susan Musal, CNPTucson, AZ 857451255430187

Common questions

What is Mary Lou Leitner, FNP's NPI number?

Mary Lou Leitner, FNP's National Provider Identifier (NPI) is 1730161829, issued on Nov 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary Lou Leitner, FNP located?

The NPPES record lists a practice address at 839 W Congress St, Tucson, AZ, 85745. Phone: (520) 792-9890. Providers update this record themselves, so call before visiting.

How can I verify Mary Lou Leitner, FNP's license?

NPPES lists Arizona license number RN017399, 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.