Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary Helen Calahan, PGCAPRNRNPAGACNPBC

Individual provider Registered Nurse · NPI 1003632589

Mary Helen Calahan, PGCAPRNRNPAGACNPBC is a Nurse Practitioner in Tucson, Arizona. Qualified in 2024, 2 years ago. Practices with Naz Hospitalists Inc, a 28-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
2
Licensed in
AZ
In the registry since
2024
Specialties on file
2
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Practice location Address checks out

7255 E Snyder Rd Unit 1203
Tucson, AZ 85750-6241
Phone: (520) 437-8289
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 322429 (AZ)
Registered Nurse Taxonomy 163W00000X · Licence RN188674 (AZ)

Record details

NPI number1003632589
Entity typeIndividual (Type 1)
GenderFemale
Credentials PGCAPRNRNPAGACNPBC
Sole proprietorNo
NPI enumeratedNovember 29, 2024
Last updated in NPPESApril 15, 2025
Certification dateApril 14, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Naz Hospitalists Inc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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