Emmeline Lui, RDH
Emmeline Lui, RDH is a provider specialising in Dental Hygienist in San Rafael, CA, registered under NPI 1003454489.
Getting there
Here is what surrounds this office in San Rafael, based on OpenStreetMap data collected Sep 14, 2026. Parking is available about 0.21 mi away. The nearest transit stop is 0.25 mi away, served by 1081 Andersen Drive. If you arrive early, there is a coffee shop 215 ft away.
Getting here and what is nearby
Transit Irene Street & Francisco Boulevard East 216 ft ~1 min
Coffee Nova Rosti 215 ft ~1 min
Restaurant Foodles 565 ft ~3 min
Transit 3140 Kerner Boulevard 641 ft ~3 min
Restaurant Viking Submarine Sandwiches 759 ft ~3 min
1121 Francisco Boulevard, San Rafael 94901
Mo-Fr 18:00-03:00; Sa 08:30-15:00
Parking 840 ft ~4 min
Parking 890 ft ~4 min
Parking 0.21 mi ~5 min
Transit 1081 Andersen Drive 0.25 mi ~6 min
Grocery Cardenas 0.28 mi ~6 min
330 Bellam Boulevard, San Rafael 94901
Mo-Su 06:00-22:00
Restaurant Picante 0.29 mi ~6 min
Gas station Beacon 0.33 mi ~7 min
Convenience Circle K 0.38 mi ~8 min
Gas station Circle K 0.38 mi ~8 min
Grocery Smart & Final 0.38 mi ~8 min
Grocery Grocery Outlet 0.48 mi ~10 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 30679 | CA | Dental Hygienist primary |
This provider holds licence 30679 issued in CA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Dental Hygienist covers
An individual who has completed an accredited dental hygiene education program, and an individual who has been licensed by a state board of dental examiners to provide preventive care services under the supervision of a dentist. Functions that may be legally delegated to the dental hygienist vary based on the needs of the dentist, the educational preparation of the dental hygienist and state dental practice acts and regulations, but always include, at a minimum, scaling and polishing the teeth. To avoid misleading the public, no occupational title other than dental hygienist should be used to describe this dental auxiliary. NUCC Health Care Provider Taxonomy, code 124Q00000X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003454489 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Dec 16, 2019 |
| Last updated | Feb 16, 2021 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | RDH |
| Practice address |
3110 KERNER BLVD San Rafael, CA 94901 (415) 448-1500 |
| Mailing address |
3110 KERNER BLVD STE B San Rafael, CA 94901 |
| Other identifiers |
30679
· Other (CA) |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 4 | 5 | 4 | 4 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 8 | 5 | 8 | 4 | 7 |
Sum = 61 · next multiple of 10 = 70 · check digit = 9 · actual last digit = 9
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.