Mary Calahan, PGC APRNRNP AGACNPBC
NPI 1003632589 · Acute Care Nurse Practitioner · Tucson, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Calahan, PGC APRNRNP AGACNPBC is a Acute Care Nurse Practitioner provider in Tucson, AZ (NPI 1003632589).
Provider details
- NPI number
- 1003632589
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PGC APRNRNP AGACNPBC
- Sex
- Female
- Sole proprietor
- No
- License
- RN188674 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-11-29
- Last updated
- 2025-04-15
- Certified
- 2025-04-14
Frequently asked questions
- What is Mary Calahan's NPI number?
- Mary Calahan's National Provider Identifier (NPI) is 1003632589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Calahan's specialty?
- Mary Calahan is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Calahan located?
- Mary Calahan's practice location on file with NPPES is 7255 E Snyder Rd Unit 1203, Tucson, AZ 85750-6241.
- What is Mary Calahan's phone number?
- The practice phone number listed in the NPPES registry for Mary Calahan is (520) 437-8289.
- Does Mary Calahan accept Medicare?
- Mary Calahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Calahan's NPI active?
- Yes — Mary Calahan's NPI (1003632589) is active in the NPPES registry as of the last update on 2025-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.