Stella Chu
Stella Chu is a Specialist in San Francisco, CA, registered under NPI 1003355595.
Getting there
Here is what surrounds this office in San Francisco, based on OpenStreetMap data collected Sep 20, 2026. Parking is available about 0.39 mi away at Mission-Bartlett Garage. There is EV charging 0.31 mi from the office (EVgo) — useful if you are driving in from out of town. The nearest transit stop is 805 ft away, served by Mission Street & 18th Street. If you arrive early, there is a coffee shop 906 ft away.
Getting here and what is nearby
Parking 212 ft ~1 min
Restaurant Whiz Burgers 336 ft ~2 min
Restaurant Balompié Cafe 439 ft ~2 min
3349 18th Street, San Francisco 94110
Mo-Tu off; We-Fr 10:00-20:00; Sa-Su 09:00-20:00
Restaurant Gallardo's 465 ft ~2 min
Transit Folsom Street & 18th Street 566 ft ~3 min
Coffee Fox and Lion Bread Company 606 ft ~3 min
3350 18th Street, San Francisco 94110
Mo-Th 08:00-15:00; Fr 08:00-19:00; Sa 08:00-16:00; Su off
Transit Folsom Street & 18th Street 722 ft ~3 min
Transit Mission Street & 18th Street 805 ft ~4 min
Parking 816 ft ~4 min
Convenience Mi Ranchito Produce 864 ft ~4 min
2169 Mission Street
Hotel Prita Hotel 824 ft ~4 min
2284 Mission Street, San Francisco 94110
Coffee Robin's Cafe 903 ft ~4 min
3153 17th Street, San Francisco 94110
Mo-Fr 08:00-16:00; Sa 08:00-14:00; Su off
Coffee Stable Cafe 906 ft ~4 min
Convenience International Produce Market 873 ft ~4 min
Hotel El Capitan Hotel 894 ft ~4 min
Hotel Star Hotel 933 ft ~4 min
2176;2180;2186 Mission Street
Gas station Gas & Shop 1,016 ft ~4 min
Grocery Mission Food Center 988 ft ~4 min
2366 Mission Street
Convenience Jasmine Market 0.20 mi ~4 min
2397 Mission Street
Gas station Chevron 0.27 mi ~6 min
Grocery Gus's Community Market 0.30 mi ~6 min
EV charging EVgo 0.31 mi ~7 min
EV charging EVgo 0.31 mi ~7 min
Grocery Valencia Whole Foods 0.36 mi ~8 min
Parking Mission-Bartlett Garage 0.39 mi ~8 min
3255 21st Street, San Francisco 94110
Mo-Su,PH 07:00-22:00; Fr,Sa 07:00-24:00
Gas station Shell 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
NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.
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 Specialist covers
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree. NUCC Health Care Provider Taxonomy, code 174400000X
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 | 1003355595 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Feb 16, 2017 |
| Last updated | Jul 27, 2023 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Practice address |
755 S VAN NESS AVE San Francisco, CA 94110 (415) 642-4522 |
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 | 3 | 5 | 5 | 5 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 5 | 1 | 5 | 9 |
Sum = 55 · next multiple of 10 = 60 · check digit = 5 · actual last digit = 5
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.