Quick answers
- Does Thein Htay accept Medicare assignment?
- Yes. Medicare's clinician data says Thein Htay 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 Thein Htay see?
- In 2024, CMS data shows 393 Original Medicare patients and 5,575 services for Thein Htay. This counts Original Medicare only and measures volume, not quality.
- What is Thein Htay's NPI number?
- 1861594228. 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 Thein Htay, 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 | 393 |
|---|---|
| Services billed to Medicare | 5,575 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) (J0153)3,000 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)722 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)720 services
- Thallium tl-201 thallous chloride, diagnostic, per millicurie (A9505)380 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)127 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 pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Diabetes58%
- Chronic kidney disease43%
- Arthritis42%
Practice locations
Addresses where Thein Htay is enrolled with Medicare (CMS data updated October 2, 2026).
- 35 S Garfield AveAlhambra, CA 91801 (626) 458‑8818
Group practices
Medicare enrollment lists Thein Htay as a member of this group (CMS data updated October 2, 2026).
- Long Life Cardiac Center Medical Corporation4 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Alhambra
Clinicians with the same Medicare primary specialty in Alhambra, CA — not a recommendation.
Other clinicians in Long Life Cardiac Center Medical Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861594228 |
| 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