NPPES file of Aug 9, 2026

Mary Lynn Ruehl, NP

Acute Care Nurse Practitioner · Tucson, AZ

Mary Lynn Ruehl, NP is an acute care nurse practitioner with a practice address in Tucson, Arizona, and NPI 1275511503, issued on Jan 6, 2006. Check the license (Arizona RN083669, 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
1275511503
Name
Mary Lynn Ruehl
Credential
NP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
RN083669 AZ
Self-reported in NPPES; status is on the state search
Practice location
4892 N Stone Ave, Tucson, AZ 85704
Phone
(520) 696-4780
Enumerated
Jan 6, 2006
Record last updated
Mar 24, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(520) 293-7024
Medicaid ID
516544 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 acute care nurse practitioner records → All 645 in Arizona → Look up another NPI →

Also registered at 4892 N Stone Ave

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

  1. Scott Biehler, D.O.Internal Medicine Physician1518940089
  2. William Inboden, D.O.Family Medicine Physician1528043395
  3. Thomas Lampros, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1871691832
  4. William Ludt, DOInternal Medicine Physician1922084094
  5. T Struse, DONuclear Cardiology Physician1295713543

Verify Mary Lynn Ruehl 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 RN083669    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 Lynn Ruehl among 645 acute care nurse practitioner records in Arizona

Mary Lynn Ruehl, NP is one of 645 acute care nurse practitioner records with a practice address in Arizona. 85% 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, 96% newer
  • In a Medicare fileNo · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2008 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Arizona

There are 645 acute care nurse practitioner records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 645 in Arizona → Every provider in Tucson → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Ashley Clark, C.N.P.Tucson, AZ 857041215278320
  2. Kristy Keating, ANCP-CTucson, AZ 857041326270059
  3. Jennifer Martinez, MSN, AGACNP-BCTucson, AZ 857041881290690
  4. Kasandra Rodriguez, NPTucson, AZ 857041902454655
  5. Jaimi Walrath, MSN, AGACNP-BCTucson, AZ 857041598481970
  6. Sarah Walter, NPTucson, AZ 857041033858592
  7. Betty Hensley, NPTucson, AZ 857061437614476
  8. Kara Roberts, ACNP-BCTucson, AZ 857101952722258

Common questions

What is Mary Lynn Ruehl, NP's NPI number?

Mary Lynn Ruehl, NP's National Provider Identifier (NPI) is 1275511503, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Lynn Ruehl, NP located?

The NPPES record lists a practice address at 4892 N Stone Ave, Tucson, AZ, 85704. Phone: (520) 696-4780. Providers update this record themselves, so call before visiting.

How can I verify Mary Lynn Ruehl, NP's license?

NPPES lists Arizona license number RN083669, 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.