Quick answers
- Does Sherrie Ladegast accept Medicare assignment?
- Yes. Medicare's clinician data says Sherrie Ladegast 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 Sherrie Ladegast see?
- In 2024, CMS data shows 103 Original Medicare patients and 170 services for Sherrie Ladegast. This counts Original Medicare only and measures volume, not quality.
- What is Sherrie Ladegast's NPI number?
- 1578920955. 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 Sherrie Ladegast, 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 | 103 |
|---|---|
| Services billed to Medicare | 170 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)35 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)20 services
- Automated urinalysis test (81003)19 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)17 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 pressure70%
- High cholesterol64%
- Arthritis49%
- Diabetes36%
- Anxiety22%
- Chronic kidney disease22%
Practice locations
Addresses where Sherrie Ladegast is enrolled with Medicare (CMS data updated October 2, 2026).
- 1679 E Monte Vista Ave, Suite 104Vacaville, CA 95688 (707) 624‑7410
Group practices
Medicare enrollment lists Sherrie Ladegast as a member of these groups (CMS data updated October 2, 2026).
- NorthBay Physicians Surgery Center, LLC324 clinicians in the group
- NorthBay Health Medical Foundation213 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Vacaville
Clinicians with the same Medicare primary specialty in Vacaville, CA — not a recommendation.
Other clinicians in NorthBay Physicians Surgery Center, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578920955 |
| 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