Quick answers
- Does Keren J. Lefford accept Medicare assignment?
- Yes. Medicare's clinician data says Keren J. Lefford 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 Keren J. Lefford see?
- In 2024, CMS data shows 534 Original Medicare patients and 870 services for Keren J. Lefford. This counts Original Medicare only and measures volume, not quality.
- What is Keren J. Lefford's NPI number?
- 1003815846. 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 Keren J. Lefford, 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 | 534 |
|---|---|
| Services billed to Medicare | 870 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)206 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)154 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)144 services
- Automated urinalysis test (81003)86 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)48 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 cholesterol75%
- High blood pressure65%
- Arthritis54%
- Ischemic heart disease26%
- Anxiety25%
- Depression19%
Practice locations
Addresses where Keren J. Lefford is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1515 E Bethany Home Rd, Suite 120bPhoenix, AZ 85014 (602) 812‑3080
- 16716 E Palisades Blvd, Suite 101bFountain Hills, AZ 85268 (480) 587‑5910
- 18404 N Tatum Blvd, Suite 101Phoenix, AZ 85032
- 18404 N Tatum Blvd, Suite 101cPhoenix, AZ 85032 (602) 992‑1900
- 3648 W Anthem Way, Bldg A 100cAnthem, AZ 85086 (623) 434‑6444
Group practices
Medicare enrollment lists Keren J. Lefford as a member of these groups (CMS data updated October 2, 2026).
- HonorHealth Medical Group, LLC332 clinicians in the group
- HonorHealth Urgent Care LLC100 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Other clinicians in HonorHealth Medical Group, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003815846 |
| 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