Quick answers
- Does Brittany Callahan accept Medicare assignment?
- Yes. Medicare's clinician data says Brittany Callahan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brittany Callahan see?
- In 2024, CMS data shows 48 Original Medicare patients and 62 services for Brittany Callahan. This counts Original Medicare only and measures volume, not quality.
- What is Brittany Callahan's NPI number?
- 1790258614. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brittany Callahan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 48 |
|---|---|
| Services billed to Medicare | 62 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)19 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)14 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol73%
- Arthritis63%
- Ischemic heart disease48%
- Chronic kidney disease46%
- Anxiety44%
Practice locations
Addresses where Brittany Callahan is enrolled with Medicare (CMS data updated October 2, 2026).
- 10510 N 92nd StScottsdale, AZ 85258
- 7400 E Osborn RdScottsdale, AZ 85251
Group practices
Medicare enrollment lists Brittany Callahan as a member of this group (CMS data updated October 2, 2026).
- HonorHealth Ambulatory630 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Scottsdale
Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.
Other clinicians in HonorHealth Ambulatory
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790258614 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians