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Edit this profileAt a glance
- 929 Clay St, Suite 303, San Francisco, CA 94108
About Yi Lin Ngai
Listed in the NPI registry as a nurse practitioner, Yi Lin Ngai practices in San Francisco, CA. Yi Lin is also listed as specializing in nurse practitioner — adult health. According to Medicare claims data, Yi Lin cared for 868 Medicare patients across 1,014 services. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1811312408 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
- (415) 956-6633
- Email not available
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Practice Locations
929 CLAY ST SUITE 303
San Francisco, CA 94108
Procedures Most Often Billed to Medicare
1,014 services · 868 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
85 | More than most peers in Nurse Practitioner |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
54 | More than most peers in Nurse Practitioner |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
49 | More often than most peers in Nurse Practitioner |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
29 | More often than most peers in Nurse Practitioner |
| Photography of the retina | Treatment | 92250 |
28 | Too few peers to compare |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
23 | As often as other peers in Nurse Practitioner |
| Psychotherapy, 30 minutes | Treatment | 90832 |
17 | Too few peers to compare |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
14 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
257 | More than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
143 | More often than most peers in Nurse Practitioner |
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.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine split virus, preservative free 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Yi Lin Ngai?
Yi Lin Ngai is a nurse practitioner in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Yi Lin Ngai's address?
Yi Lin Ngai is listed at 929 Clay St Suite 303, San Francisco, CA 94108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Yi Lin Ngai?
The number on file is (415) 956-6633. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Yi Lin Ngai's NPI number?
Yi Lin Ngai's National Provider Identifier is 1811312408. 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 Yi Lin Ngai train?
Yi Lin Ngai attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Yi Lin Ngai been practicing?
Yi Lin Ngai has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does Yi Lin Ngai perform?
According to Medicare billing data, Yi Lin Ngai provides treatments such as influenza vaccine split virus, preservative free and admn sarscov2 vacc 1 dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Yi Lin Ngai confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Yi Lin Ngai. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.