Quick answers
- Does Sarah Kuennen accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah Kuennen 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 Sarah Kuennen see?
- In 2024, CMS data shows 98 Original Medicare patients and 247 services for Sarah Kuennen. This counts Original Medicare only and measures volume, not quality.
- What is Sarah Kuennen's NPI number?
- 1770361958. 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 Sarah Kuennen, 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 | 98 |
|---|---|
| Services billed to Medicare | 247 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)50 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)28 services
- X-ray of chest, 2 views (71046)27 services
- Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)24 services
- Detection test by nucleic acid for multiple types influenza virus (87502)22 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 cholesterol74%
- High blood pressure58%
- Arthritis39%
- Anxiety33%
- Chronic kidney disease26%
- Ischemic heart disease24%
Practice locations
Addresses where Sarah Kuennen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1019 Trapelo RdWaltham, MA 02452 (774) 400‑4084
- 1030 Main StWaltham, MA 02451
- 1210 Boylston StChestnut Hill, MA 02467 (774) 400‑4084
- 16 Main StStoneham, MA 02180 (781) 279‑4000
- 17 White StCambridge, MA 02140 (781) 430‑9161
Group practices
Medicare enrollment lists Sarah Kuennen as a member of this group (CMS data updated October 2, 2026).
- Patriot Urgent Care Professionals PC41 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Waltham
Clinicians with the same Medicare primary specialty in Waltham, MA — not a recommendation.
Other clinicians in Patriot Urgent Care Professionals PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770361958 |
| 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