Quick answers
- Does Fiona D. Johansmeyer accept Medicare assignment?
- Yes. Medicare's clinician data says Fiona D. Johansmeyer 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 Fiona D. Johansmeyer see?
- In 2024, CMS data shows 362 Original Medicare patients and 919 services for Fiona D. Johansmeyer. This counts Original Medicare only and measures volume, not quality.
- What is Fiona D. Johansmeyer's NPI number?
- 1871012468. 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 Fiona D. Johansmeyer, 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 | 362 |
|---|---|
| Services billed to Medicare | 919 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)234 services
- X-ray of chest, 2 views (71046)103 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)93 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)75 services
- Urinalysis, manual test (81002)73 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 pressure71%
- Arthritis47%
- Anxiety42%
- Depression30%
- Ischemic heart disease25%
Practice locations
Addresses where Fiona D. Johansmeyer is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Wrentham StBellingham, MA 02019 (508) 318‑4466
- 103 Providence HwyEast Walpole, MA 02032 (781) 255‑0500
- 103 Providence Hwy, Suite BEast Walpole, MA 02032 (781) 255‑0500
- 2 -4 Mercer RdNatick, MA 01760 (508) 318‑4466
- 4 Mercer RdNatick, MA 01760
Group practices
Medicare enrollment lists Fiona D. Johansmeyer as a member of this group (CMS data updated October 2, 2026).
- Woonsocket Urgent Care PC22 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Bellingham
Clinicians with the same Medicare primary specialty in Bellingham, MA — not a recommendation.
Other clinicians in Woonsocket Urgent Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871012468 |
| 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