Margaret Horton-Breshears, AGPCNP-BC
Adult Health Nurse Practitioner · Tucson, AZ
Margaret Horton-Breshears, AGPCNP-BC is an adult health nurse practitioner with a practice address in Tucson, Arizona, and NPI 1740700442, issued on Jun 23, 2017. Check the license (Arizona AP10274, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Horton-Breshears
- Credential
- AGPCNP-BC
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- AP10274 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1230 S Cherrybell Stra, Tucson, AZ 85713
- Phone
- (520) 670-3909
- Enumerated
- Jun 23, 2017
- Record last updated
- Feb 28, 2025
- Fax
- (520) 309-2560
- Medicare enrollment
- Enrolled (PECOS I20170803000763); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 521 in Arizona → Look up another NPI →
Also registered at 1230 S Cherrybell Stra
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Abel, LCSW, MSClinical Social Worker1205167442
- Robin Acereto, LPCProfessional Counselor1609373026
- Nelda Akinbile, M.D.Psychiatry Physician1023112745
- Jessica Barnes, LCSWClinical Social Worker1548836992
- Jennifer Barrabee, LCSWClinical Social Worker1154691350
- Thomas Bartuska, MDPsychiatry Physician1801972245
Verify Margaret Horton-Breshears in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AP10274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average adult health nurse practitioner in 2024
4,379 Medicare Part D claims for 322 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 130 claims were for opioids.
Most prescribed
- Atorvastatin Calcium320 claims
- Albuterol Sulfate Hfa215 claims
- Losartan Potassium197 claims
- Lisinopril167 claims
- Levothyroxine Sodium145 claims
- Metformin Hcl124 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- EL Rio Santa Cruz Neighborhood Health Center, Inc.Tucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Horton-Breshears among 521 adult health nurse practitioner records in Arizona
Margaret Horton-Breshears, AGPCNP-BC is one of 521 adult health nurse practitioner records with a practice address in Arizona. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2017 · median 2013 among the 222 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Arizona
There are 521 adult health nurse practitioner records in Arizona.
All 521 in Arizona → Every provider in Tucson → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Paul Sacamano, PHD, MPH, ANP-BCTucson, AZ 857131043669427
- Jody Agins, FNPTucson, AZ 857121265402358
- Patricia Atherton, ARNP, CNSTucson, AZ 857121710167325
- Christine Downey, DNPTucson, AZ 857121851774707
- Kristy Gintz, AGNPTucson, AZ 857121750886107
- Stanley Gladden, NURSE PRACTITIONERTucson, AZ 857121508042177
- Pius Gross, NURSE PRACTITIONERTucson, AZ 857121871893578
- Melanie Hampton, CRNPTucson, AZ 857121275654691
Common questions
What is Margaret Horton-Breshears, AGPCNP-BC's NPI number?
Margaret Horton-Breshears, AGPCNP-BC's National Provider Identifier (NPI) is 1740700442, issued on Jun 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Horton-Breshears, AGPCNP-BC located?
The NPPES record lists a practice address at 1230 S Cherrybell Stra, Tucson, AZ, 85713. Phone: (520) 670-3909. Providers update this record themselves, so call before visiting.
How can I verify Margaret Horton-Breshears, AGPCNP-BC's license?
NPPES lists Arizona license number AP10274, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Horton-Breshears, AGPCNP-BC prescribe under Medicare Part D?
In 2024, Margaret Horton-Breshears, AGPCNP-BC had 4,379 Medicare Part D claims for 322 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.