Quick answers
- Does Per Sommer accept Medicare assignment?
- Yes. Medicare's clinician data says Per Sommer 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 Per Sommer see?
- In 2024, CMS data shows 516 Original Medicare patients and 2,408 services for Per Sommer. This counts Original Medicare only and measures volume, not quality.
- What is Per Sommer's NPI number?
- 1396075297. 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 Per Sommer, 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 | 516 |
|---|---|
| Services billed to Medicare | 2,408 |
| Different services or procedures | 79 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)206 services
- Injection, regadenoson, 0.1 mg (J2785)188 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)161 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)155 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)144 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 cholesterol75%
- Ischemic heart disease64%
- Arthritis50%
- Heart failure38%
- Atrial fibrillation37%
Hospitals where Per Sommer works
Medicare's Facility Affiliation Data lists Per Sommer at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030014
- HonorHealth Deer Valley Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030092
- HonorHealth Scottsdale Osborn Medical CenterScottsdale, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030038
- HonorHealth Scottsdale Shea Medical CenterScottsdale, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030087
- HonorHealth Scottsdale Thompson Peak Medical CenterScottsdale, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030123
Practice locations
Addresses where Per Sommer is enrolled with Medicare (CMS data updated October 2, 2026).
- 19636 N 27th Ave, Suite 401Phoenix, AZ 85027 (602) 861‑1168
Group practices
Medicare enrollment lists Per Sommer as a member of this group (CMS data updated October 2, 2026).
- HonorHealth Ambulatory630 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, 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 | MD |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396075297 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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