Quick answers
- Does Sourasack K. Vongsa accept Medicare assignment?
- Yes. Medicare's clinician data says Sourasack K. Vongsa 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 Sourasack K. Vongsa see?
- In 2024, CMS data shows 143 Original Medicare patients and 291 services for Sourasack K. Vongsa. This counts Original Medicare only and measures volume, not quality.
- What is Sourasack K. Vongsa's NPI number?
- 1619945524. 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 Sourasack K. Vongsa, 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 | 143 |
|---|---|
| Services billed to Medicare | 291 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)102 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)33 services
- Manual urinalysis test with examination using microscope, automated (81001)25 services
- X-ray of chest, 2 views (71046)20 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 cholesterol72%
- High blood pressure66%
- Arthritis44%
- Chronic kidney disease34%
- Anxiety32%
- Diabetes28%
Practice locations
Addresses where Sourasack K. Vongsa is enrolled with Medicare (CMS data updated October 2, 2026).
- 333 N Green Bay RdNeenah, WI 54956
- 3925 N Gateway DrAppleton, WI 54913
- 4480 W Spencer StAppleton, WI 54915 (920) 738‑4800
- 600 N Westhaven DrOshkosh, WI 54904
Group practices
Medicare enrollment lists Sourasack K. Vongsa as a member of this group (CMS data updated October 2, 2026).
- Thedacare, Incorporated647 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Neenah
Clinicians with the same Medicare primary specialty in Neenah, WI — not a recommendation.
Other clinicians in Thedacare, Incorporated
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619945524 |
| 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