Quick answers
- Does Yenchih G. Lin accept Medicare assignment?
- Yes. Medicare's clinician data says Yenchih G. Lin 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 Yenchih G. Lin see?
- In 2024, CMS data shows 150 Original Medicare patients and 696 services for Yenchih G. Lin. This counts Original Medicare only and measures volume, not quality.
- What is Yenchih G. Lin's NPI number?
- 1891884011. 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 Yenchih G. Lin, 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 | 150 |
|---|---|
| Services billed to Medicare | 696 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)413 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)109 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)78 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)27 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)26 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%
- Arthritis66%
- High cholesterol61%
- Diabetes55%
- Ischemic heart disease32%
- Chronic kidney disease29%
Practice locations
Addresses where Yenchih G. Lin is enrolled with Medicare (CMS data updated October 2, 2026).
- 13085 Central Ave, Suite 6Chino, CA 91710 (909) 902‑5288
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Chino
Clinicians with the same Medicare primary specialty in Chino, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891884011 |
| 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