Quick answers
- Does Sorawit T. Decha-Umphai accept Medicare assignment?
- Yes. Medicare's clinician data says Sorawit T. Decha-Umphai 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 Sorawit T. Decha-Umphai see?
- In 2024, CMS data shows 436 Original Medicare patients and 1,598 services for Sorawit T. Decha-Umphai. This counts Original Medicare only and measures volume, not quality.
- What is Sorawit T. Decha-Umphai's NPI number?
- 1902191141. 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 Sorawit T. Decha-Umphai, 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 | 436 |
|---|---|
| Services billed to Medicare | 1,598 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)365 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)333 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)220 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)113 services
- Hemoglobin a1c level (83036)83 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 pressure74%
- Arthritis48%
- Chronic kidney disease31%
- Ischemic heart disease25%
- Diabetes23%
Hospitals where Sorawit T. Decha-Umphai works
Medicare's Facility Affiliation Data lists Sorawit T. Decha-Umphai at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260179
Practice locations
Addresses where Sorawit T. Decha-Umphai is enrolled with Medicare (CMS data updated October 2, 2026).
- 12855 N 40 Dr, Suite 280Saint Louis, MO 63141
- 15425 Manchester Rd, Suite 28Ballwin, MO 63011 (636) 220‑6969
- 621 S New Ballas Rd, Suite 189aSaint Louis, MO 63141 (314) 251‑6335
- 621 S New Ballas Rd, Suite 4017bSaint Louis, MO 63141 (314) 872‑9192
- 7212 Balson AveSaint Louis, MO 63130
Group practices
Medicare enrollment lists Sorawit T. Decha-Umphai as a member of these groups (CMS data updated October 2, 2026).
- Mercy Clinic East Communities571 clinicians in the group
- Aging Well Health Care, LLC238 clinicians in the group
- Physical Therapy Spine and Sports Medicine LLC129 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Mercy Clinic East Communities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902191141 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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