Provider Profile
Listed in the NPI registry as a nurse practitioner — adult health, Yi Lin Ngai practices in San Francisco, CA. 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
929 CLAY ST SUITE 303
San Francisco, CA 94108
Within Nurse Practitioner - Adult Health 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
Allergies
Allergy & skin
Blood disorders
Bone health
Brain & nerves
Digestive
Digestive health
Eye issues
Foot & ankle
General health
Heart
Heart & circulation
Hormones & endocrine
Infections
Joints & bones
Men's health
Mental health
Pain
Pain & musculoskeletal
Respiratory
Sexual health
Skin
Skin & hair
Skin & nails
Skin issues
Sleep
Urinary
Weight management
Women's health
Most searched procedures
Acute care
Allergy & immunology
Care coordination
Clinical exams
Diabetes care
Diagnostics
Digestive
Ear care
Endocrine
Heart & circulation
Heart health
Injections
Medication management
Men's health
Mental health
Minor procedures
Occupational health
Pain & wellness
Pain management
Preventive care
Respiratory care
Screenings & tests
Senior care
Sexual health
Skin care
Sleep
Telehealth
Urgent care
Weight management
Women's health
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, Adult |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
54 | More than most peers in Nurse Practitioner, Adult |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
49 | More often than most peers in Nurse Practitioner, Adult |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
29 | More often than most peers in Nurse Practitioner, Adult |
| 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, Adult |
| 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, Adult |
| 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, Adult |
| 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, Adult |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Yi Lin Ngai is a nurse practitioner in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Adult Health”.
NPI registry
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
The number on file is (415) 956-6633. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
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
Yi Lin Ngai attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Yi Lin Ngai has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
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
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
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.