Quick answers
- Does Glen Villanueva accept Medicare assignment?
- Yes. Medicare's clinician data says Glen Villanueva 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 Glen Villanueva see?
- In 2024, CMS data shows 103 Original Medicare patients and 149 services for Glen Villanueva. This counts Original Medicare only and measures volume, not quality.
- What is Glen Villanueva's NPI number?
- 1922018647. 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 Glen Villanueva, 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 | 103 |
|---|---|
| Services billed to Medicare | 149 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Hemoglobin a1c level (83036)71 services
- Automated urinalysis test (81003)28 services
- Blood count, hemoglobin (85018)23 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%
- Diabetes74%
- Arthritis35%
- Chronic kidney disease33%
- Ischemic heart disease29%
Practice locations
Addresses where Glen Villanueva is enrolled with Medicare (CMS data updated October 2, 2026).
- 1140 Main StLivingston, CA 95334 (209) 394‑7913
- 7970 Lander Ave, Suite A BHilmar, CA 95324 (209) 262‑1819
Group practices
Medicare enrollment lists Glen Villanueva as a member of this group (CMS data updated October 2, 2026).
- Livingston Community Health21 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Livingston
Clinicians with the same Medicare primary specialty in Livingston, CA — not a recommendation.
Other clinicians in Livingston Community Health
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922018647 |
| 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