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MS. HELEN E. CALLAHAN CRNP
NPI 1215937883
Nurse Practitioner in Tucson, AZ

Active since July 26, 2005PECOS EnrolledAccepts Medicare Assignment
4892 N STONE AVE STE 100, SUITE 504 THE CENTER FOR DIABETES & ENDOCRINE HEALTH, TUCSON, AZ 85704(520) 396-1360(520) 795-9043 Get Directions Write a Review

NPPES record last updated: October 25, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Helen E. Callahan Crnp NPPES

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

MS. HELEN E. CALLAHAN CRNP (NPI 1215937883) is an individual nurse practitioner in Tucson, Arizona, licensed in Arizona (AP3324) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1215937883
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. HELEN E. CALLAHANCredential: CRNP
Location Address4892 N STONE AVE STE 100, SUITE 504 THE CENTER FOR DIABETES & ENDOCRINE HEALTHTucson, AZ 85704-5761
Mailing Address3501 E Speedway Blvd, #300Tucson, AZ 85716-3917 · (520) 869-8979 · Fax (520) 318-7107
Phone(520) 396-1360
Fax(520) 795-9043
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJuly 26, 2005
Last NPPES UpdateOctober 25, 2016
✔ NPI 1215937883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in AZ · AP3324
Definition
(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.
Also ListedRegistered NurseTaxonomy 163W00000X · License SP008353 (PA)
4892 N STONE AVE STE 100, Tucson, AZ 85704
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Other Identifiers 3

OtherRN18225LPA · Registered Nurse
Medicare UPINQ23282PA
OtherSP008353PA · Crnp

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona and more.Insurance ›

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

Ms. Helen E. Callahan Crnp 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 ID1759359532
PECOS Enrollment IDI20100521000385
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85704 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier11 claims11 services$26.69 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers22 claims22 services$13.29 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. LOAN D WHITMORE NP
Nurse Practitioner (Family)
4892 N STONE AVE STE 100
TUCSON, AZ 85704
Pima County (520) 396-1360
DR. AMY CHAN MATCHETT DNP-FNP
Nurse Practitioner
4892 N STONE AVE STE 100
TUCSON, AZ 85704
Pima County (520) 396-1360
RACHEL CHRISTINE SLIGER LAC
Counselor
4892 N STONE AVE STE 100
TUCSON, AZ 85704
Pima County (520) 396-1360
MRS. KERINA MARIANA FNP-C
Nurse Practitioner (Family)
4892 N STONE AVE STE 100
TUCSON, AZ 85704
Pima County (520) 396-1360

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 Helen Callahan's NPI number?

The NPI number for Helen Callahan is 1215937883. It was assigned to this individual provider in the NPPES registry on July 26, 2005.

Where is Helen Callahan located?

Helen Callahan practices at 4892 N Stone Ave Ste 100 Suite 504 The Center For Diabetes & Endocrine Health, Tucson, AZ 85704. The listed phone number is (520) 396-1360.

What is Helen Callahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Helen Callahan enrolled in Medicare?

Yes. Helen Callahan 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.

What insurance does Helen Callahan accept?

Health plans from Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. and 1 other insurer list Helen Callahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Helen Callahan was last updated on October 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.