Quick answers
- Does Christina R. Marsh accept Medicare assignment?
- Yes. Medicare's clinician data says Christina R. Marsh 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 Christina R. Marsh see?
- In 2024, CMS data shows 29 Original Medicare patients and 93 services for Christina R. Marsh. This counts Original Medicare only and measures volume, not quality.
- What is Christina R. Marsh's NPI number?
- 1821706920. 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 Christina R. Marsh, 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 | 29 |
|---|---|
| Services billed to Medicare | 93 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 48 |
Most frequent services
- Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (G0480)26 services
- Testing for presence of drug, by chemistry analyzers (80307)22 services
- Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (G0481)13 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).
- Depression75%
- Anxiety75%
- High blood pressure59%
Practice locations
Addresses where Christina R. Marsh is enrolled with Medicare (CMS data updated October 2, 2026).
- 777 Raymond AveSaint Paul, MN 55114 (651) 447‑3755
Group practices
Medicare enrollment lists Christina R. Marsh as a member of this group (CMS data updated October 2, 2026).
- Sasaki Medical LLC21 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Saint Paul
Clinicians with the same Medicare primary specialty in Saint Paul, MN — not a recommendation.
Other clinicians in Sasaki Medical LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821706920 |
| 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