Physician Profile
Based in West Covina, CA, Adelaide Willis, MD is listed in the NPI registry under family medicine. According to Medicare claims data, Adelaide cared for 116 Medicare patients across 233 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1500 W WEST COVINA PKWY
West Covina, CA 91790
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
233 services · 116 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
209 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
12 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Willis is a family doctor in West Covina, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Dr. Willis is listed at 1500 W West Covina Pkwy, West Covina, CA 91790. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 960-8614. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Willis's National Provider Identifier is 1073561346. 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
Dr. Willis attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
Dr. Willis has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Willis 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 Dr. Willis. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.