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Edit this profileAt a glance
- 325 Gellert Blvd, Daly City, CA 94015
About William Li
Listed in the NPI registry as a physician assistant, William Li, PA-C practices in Daly City, CA. According to Medicare claims data, William cared for 170 Medicare patients across 187 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, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen. NPI 1447735006 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (650) 270-2394
- Email not available
Practice Locations
325 GELLERT BLVD
Daly City, CA 94015
Procedures Most Often Billed to Medicare
187 services · 170 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
21 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
70 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
36 | As often as other peers in Physician Assistant |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
31 | More often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
18 | Less often than most peers in Physician Assistant |
| Detection test by nucleic acid for multiple types influenza virus | Lab test | 87502 |
11 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Daly City 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does William Li specialize in?
William Li is a physician assistant in Daly City, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is William Li located?
William Li is listed at 325 Gellert Blvd, Daly City, CA 94015. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William Li's phone number?
The number on file is (650) 270-2394. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William Li's NPI number?
William Li's National Provider Identifier is 1447735006. 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
Where did William Li train?
William Li attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How long has William Li been practicing?
William Li has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What does William Li do most often?
According to Medicare billing data, William Li performs imaging including x-ray of chest, 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William Li confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William Li. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.