NPPES file of Aug 9, 2026

Mary Helen Calahan, PGC APRNRNP AGACNPBC

Acute Care Nurse Practitioner · Tucson, AZ

Mary Helen Calahan, PGC APRNRNP AGACNPBC is an acute care nurse practitioner with a practice address in Tucson, Arizona, and NPI 1003632589, issued on Nov 29, 2024. Check the license (Arizona 322429, as entered in NPPES) with the Arizona board that licenses this profession; 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
1003632589
Name
Mary Helen Calahan
Credential
PGC APRNRNP AGACNPBC
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License numbers
322429 AZ
RN188674 AZ
Self-reported in NPPES; status is on the state search
Practice location
7255 E Snyder RD Unit 1203, Tucson, AZ 85750
Phone
(520) 437-8289
Enumerated
Nov 29, 2024
Record last updated
Apr 15, 2025
Medicare enrollment
Enrolled (PECOS I20251007002791); accepts Medicare assignment
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 acute care nurse practitioner records → All 645 in Arizona → Look up another NPI →

Verify Mary Helen Calahan 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 322429    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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Bills Medicare through one group practice

  1. Naz Hospitalists IncPrescott, AZ

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

Mary Helen Calahan among 645 acute care nurse practitioner records in Arizona

Mary Helen Calahan, PGC APRNRNP AGACNPBC 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. Its NPI, issued in 2024, is newer than 88% of them.

  • NPI issued2024 · 88% of these records are older, 7% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2024 · median 2018 among the 465 with a school on file
  • Record last updated2025 · 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.

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. Hillary LamarTucson, AZ 857501083226989
  2. Eileen Jackson, ACNP-BC, CRNFATucson, AZ 857491295811511
  3. Danielle La Plount, AGACNP-BCTucson, AZ 857481508730029
  4. Marcos Smith, ACNPC-AGTucson, AZ 857481760187868
  5. Cheryl Crawford, NPTucson, AZ 857451104412873
  6. Monty Hunsaker, NPTucson, AZ 857451285612044
  7. Sarah SnodaTucson, AZ 857451538543863
  8. Alexi Turk, NPTucson, AZ 857451396252409

Common questions

What is Mary Helen Calahan, PGC APRNRNP AGACNPBC's NPI number?

Mary Helen Calahan, PGC APRNRNP AGACNPBC's National Provider Identifier (NPI) is 1003632589, issued on Nov 29, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Mary Helen Calahan, PGC APRNRNP AGACNPBC located?

The NPPES record lists a practice address at 7255 E Snyder RD Unit 1203, Tucson, AZ, 85750. Phone: (520) 437-8289. Providers update this record themselves, so call before visiting.

How can I verify Mary Helen Calahan, PGC APRNRNP AGACNPBC's license?

NPPES lists Arizona license number 322429, 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. 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.