Physician Profile
Glen Villanueva, D.O. practices family practice in Livingston, CA. Glen is also listed as specializing in family medicine. Medicare claims data shows Glen provided 122 services to 98 patients. The services billed most often include hemoglobin a1c level, automated urinalysis test, and blood count, hemoglobin. The provider's National Provider Identifier (NPI) is 1922018647.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
600 B ST
Livingston, CA 95334
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
122 services · 98 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Hemoglobin a1c level | Lab test | 83036 |
71 | More often than most peers in Family Practice |
| Automated urinalysis test | Lab test | 81003 |
28 | As often as other peers in Family Practice |
| Blood count, hemoglobin | Lab test | 85018 |
23 | As often as other peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Glen Villanueva is a family practice in Livingston, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Glen Villanueva is listed at 600 B St, Livingston, CA 95334. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (209) 850-3500. Contact the office directly to confirm availability and scheduling.
NPI registry
Glen Villanueva's National Provider Identifier is 1922018647. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Glen Villanueva attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
Glen Villanueva has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Glen Villanueva the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Glen Villanueva. If this is you, claiming it is free.
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