Quick answers
- Does Prasert B. Vassantachart accept Medicare assignment?
- Yes. Medicare's clinician data says Prasert B. Vassantachart 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 Prasert B. Vassantachart see?
- In 2024, CMS data shows 149 Original Medicare patients and 1,729 services for Prasert B. Vassantachart. This counts Original Medicare only and measures volume, not quality.
- What is Prasert B. Vassantachart's NPI number?
- 1295720050. 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 Prasert B. Vassantachart, 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 | 149 |
|---|---|
| Services billed to Medicare | 1,729 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)694 services
- Insertion of needle into vein for collection of blood sample (36415)236 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)184 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)75 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 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%
- Arthritis61%
- Diabetes52%
- Anxiety33%
- Chronic kidney disease32%
Hospitals where Prasert B. Vassantachart works
Medicare's Facility Affiliation Data lists Prasert B. Vassantachart 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.
- Emanate Health Inter-Community HospitalCovina, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050382
- Garfield Medical CenterMonterey Park, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050737
Practice locations
Addresses where Prasert B. Vassantachart is enrolled with Medicare (CMS data updated October 2, 2026).
- 841 W Valley Blvd, Suite 104Alhambra, CA 91803 (626) 282‑3113
Specialties
- General Practiceprimary
Other general practitioners in Alhambra
Clinicians with the same Medicare primary specialty in Alhambra, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1979 (47 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) | 1295720050 |
| 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