Physician Profile
Listed in the NPI registry as a specialist, Alisa L. Williams MD, M.D. practices in San Diego, CA. Alisa graduated from University of Tennessee, Hsc, College of Medicine in 1985. According to Medicare claims data, Alisa cared for 130 Medicare patients across 139 services. The services billed most often include cervical or vaginal cancer screening; pelvic and clinical breast examination, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 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.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5555 RESERVOIR DR STE 307
San Diego, CA 92120
139 services · 130 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
64 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
52 | Less often than most peers in Specialist |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
23 | Less often than most peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Alisa L. Williams MD is a specialist in San Diego, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Alisa L. Williams MD is listed at 5555 Reservoir Dr Ste 307, San Diego, CA 92120. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (619) 299-3111. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Alisa L. Williams MD's National Provider Identifier is 1720006398. 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
Alisa L. Williams MD attended University of Tennessee, Hsc, College of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Alisa L. Williams MD has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Alisa L. Williams MD 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 Alisa L. Williams MD. 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.