1. Home
  2. Directory
  3. Arizona
  4. Tucson
  5. Nurse Practitioner
  6. NPI Profile

MARY HELEN CALAHAN PGC APRNRNP AGACNPBC
NPI 1003632589
Nurse Practitioner - Acute Care in Tucson, AZ

Active since November 29, 2024PECOS EnrolledAccepts Medicare Assignment
7255 E SNYDER RD UNIT 1203, TUCSON, AZ 85750(520) 437-8289 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Helen Calahan Pgc Aprnrnp Agacnpbc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY HELEN CALAHAN PGC APRNRNP AGACNPBC (NPI 1003632589) is an individual acute care provider in Tucson, Arizona, licensed in Arizona (322429) and active in the NPI registry since November 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1003632589
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMARY HELEN CALAHANCredential: PGC APRNRNP AGACNPBC
Location Address7255 E SNYDER RD UNIT 1203Tucson, AZ 85750-6241
Mailing Address7255 E Snyder Rd Unit 1203Tucson, AZ 85750-6241 · (520) 437-8289
Phone(520) 437-8289
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateNovember 29, 2024
Last NPPES UpdateApril 15, 2025
NPPES CertifiedApril 14, 2025
✔ NPI 1003632589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in AZ · 322429
Also ListedRegistered NurseTaxonomy 163W00000X · License RN188674 (AZ)
7255 E SNYDER RD UNIT 1203, Tucson, AZ 85750
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Helen Calahan Pgc Aprnrnp Agacnpbc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466959499
PECOS Enrollment IDI20251007002791
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85750 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Calahan's NPI number?

The NPI number for Mary Calahan is 1003632589. It was assigned to this individual provider in the NPPES registry on November 29, 2024.

Where is Mary Calahan located?

Mary Calahan practices at 7255 E Snyder Rd Unit 1203, Tucson, AZ 85750. The listed phone number is (520) 437-8289.

What is Mary Calahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Mary Calahan enrolled in Medicare?

Yes. Mary Calahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mary Calahan was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.