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Active NPI 1215937883 Individual Practitioner Female Practitioner

Helen E. Callahan , CRNP

Nurse Practitioner • Tucson, AZ

✓ Accepts Medicare Assignment
Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Helen Callahan, CRNP is a registered Nurse Practitioner practitioner in Tucson, AZ. With approximately 22 years of clinical practice since completing medical education in 2004, Helen Callahan provides healthcare services at the registered practice location at 4892 N STONE AVE STE 100.

Helen Callahan is affiliated with Tucson Physician Group Holdings Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4892 N Stone Ave Ste 100
Suite 504 The Center For Diabetes & Endocrine Health

Tucson, AZ 857045761

Telephone 5203961360
Fax 5207959043

Medicare Profile & Education

Medical School

Other

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Tucson, AZ

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
22 Yrs +11.1 yrs vs City Avg
City Avg: 10.9 Yrs
State Avg: 8.9 Yrs
Regional Practice Density
203 Specialists

Practicing in Tucson, AZ (1459 Statewide)

Telehealth Adoption Rate
8.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
3.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Callahan (22 Years) 22 Yrs
Tucson Specialty Average (10.9 Years) 10.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample
16 16 $9.00 $8.65

Medical Specialties & State Licenses

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License AZ AP3324

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Registered Nurse

NUCC Taxonomy Code: 163W00000X

State License PA SP008353

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Registered Nurse
RN18225L (PA)
Commercial Insurance / Payer ID Crnp
SP008353 (PA)

Hospital & Practice Group Affiliations

Tucson Physician Group Holdings Llc

4892 N Stone Ave, Tucson, AZ 857045761

Phone: 5203961360

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners
Loan Whitmore , NP

Nurse Practitioner - Family

NPI 1033561519

Nurse Practitioner

Amy Matchett , DNP-FNP

Nurse Practitioner

NPI 1225637184

DNPFNP

NPI 1508660366

Licensed Acupuncturist

Dr. Scott Biehler , DO

Internal Medicine

NPI 1518940089

Doctor of Osteopathic Medicine (D.O.)

NPI 1528043395

Doctor of Osteopathic Medicine (D.O.)

Kerina Mariana , FNP-C

Nurse Practitioner - Family

NPI 1578294559

Family Nurse Practitioner (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active October 25, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location October 25, 2016

Registered at 4892 N STONE AVE STE 100, SUITE 504 THE CENTER FOR DIABETES & ENDOCRINE HEALTH, TUCSON, AZ 857045761 (Tel: 5203961360)

📍
Updated Business Mailing Address October 25, 2016

Registered at 3501 E SPEEDWAY BLVD, #300, TUCSON, AZ 857163917 (Tel: 5208698979)

👤
Provider Name / Credentials Updated October 25, 2016

Recorded as HELEN CALLAHAN, CRNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 25, 2016

Registered Nurse (License #SP008353 in PA)

🟢
Initial NPI Registration & Enumeration July 26, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1215937883
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 26, 2005
Last Update: October 25, 2016
Sole Proprietor: No

Mailing Address

3501 E Speedway Blvd, #300

Tucson, AZ 857163917

Phone: 5208698979

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.