Helen E. Callahan, CRNP
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 2,135
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 4892 N Stone Ave Suite 100 Suite 100, Tucson, AZ 85704-5761
- Practice phone
- Call (520) 396-1360
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Carondelet Medical Group
Primary care practice · Tucson, Arizona
Find Helen Callahan's professional email, personal email and mobile number
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Helen E. Callahan is a nurse practitioner in Tucson, Arizona
Helen Callahan practices at Carondelet Medical Group in Tucson, Arizona.
Helen Callahan's NPI, 1215937883, was assigned on July 26, 2005. Helen Callahan holds Arizona license AP3324.
- NPI
- 1215937883NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759359532
- NPI enumeration date
- July 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 396-1360
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Helen E. Callahan practices at Carondelet Medical Group in Tucson, Arizona
Helen Callahan's primary practice is Carondelet Medical Group, at 4892 N Stone Ave Suite 100 Suite 100, Tucson, AZ 85704-5761. The practice phone is (520) 396-1360.
- Carondelet Medical Group4892 N Stone Ave Suite 100 Suite 100, Tucson, AZ 85704-5761Phone(520) 396-1360
Source: Dmand AI Affiliation Data
Helen E. Callahan is affiliated with 1 site of care and 1 medical group
Helen Callahan's primary practice is Carondelet Medical Group in Tucson, Arizona. The medical group on file is Carondelet Medical Group.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Helen E. Callahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Helen Callahan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carondelet Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Helen E. Callahan is one of 1,439 nurse practitioners in Arizona
Nurse practitioner is Helen Callahan's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Helen Callahan's licenses on file in 2 states: Arizona and Pennsylvania.
Specialties and state licenses
- Nurse practitioner, ArizonaPrimary
- Registered nurse, Pennsylvania
Nurse practitioners near Helen Callahan
Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Helen E. Callahan treated 16 Medicare patients in 2024, average age 75
CMS counts 16 Medicare patients who saw Helen Callahan in 2024. The largest group is under 65, with 0 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Helen Callahan's median patient age at 68, with 71% women.
Helen Callahan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Helen Callahan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
Share of Medicare patients with each condition. A patient can have several.
Helen Callahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Helen E. Callahan wrote 2,135 Medicare Part D claims in 2024
In 2024, Helen Callahan wrote 2,135 Medicare Part D claims for 830 patients. 87% of them were for generic drugs.
Helen Callahan's Part D claims by kind of drug, 2024
- Generic1,867 claims87%
- Brand-name248 claims12%
- Other20 claims1%
Drug classes CMS tracks in Helen Callahan's Part D claims, 2024
- Antibiotics1%31 of 2,135 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Helen E. Callahan takes part in Medicare
Helen Callahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Helen E. Callahan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Helen E. Callahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Helen E. Callahan's NPI number?
Helen E. Callahan's NPI number is 1215937883. It was assigned on July 26, 2005, and it is active in the NPI Registry.
What does Helen E. Callahan specialize in?
Helen E. Callahan is a nurse practitioner in Tucson, Arizona. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Helen E. Callahan practice?
Helen Callahan practices at 4892 N Stone Ave Suite 100 Suite 100, Tucson, AZ 85704-5761. Helen Callahan's primary practice is Carondelet Medical Group in Tucson, Arizona.
What is Helen E. Callahan's office phone number?
The practice phone on file for Helen Callahan is (520) 396-1360.
What is Helen E. Callahan's medical license number?
Helen Callahan holds Arizona license AP3324, one of the licenses on file in 2 states.
Which states has Helen E. Callahan been licensed in?
Dmand AI has state licenses on file for Helen Callahan in Arizona and Pennsylvania.
What medical group is Helen E. Callahan part of?
Helen Callahan is linked to Carondelet Medical Group.
Does Helen E. Callahan accept Medicare?
Yes. CMS lists Helen Callahan as accepting Medicare assignment.
How many Medicare patients does Helen E. Callahan see?
CMS counts 16 Medicare patients who saw Helen Callahan in 2024, with an average age of 75.
How long has Helen E. Callahan been practicing?
Helen Callahan graduated from medical school in 2004, 22 years ago.
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