Roxann Smith, CADC
Roxann Smith, CADC is an Addiction (Substance Use Disorder) Counselor in Sioux City, IA, registered under NPI 1003278193.
Getting there
Here is what surrounds this office in Sioux City, based on OpenStreetMap data collected Sep 15, 2026. Parking is available about 889 ft away at Martin Luther King Jr. Transportation Center. There is EV charging 0.39 mi from the office — useful if you are driving in from out of town. A pharmacy sits 0.36 mi from the entrance (Walgreens), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.37 mi away.
Getting here and what is nearby
Parking Discovery Parking 212 ft ~1 min
Hotel Sioux City Hotel 369 ft ~2 min
Hotel Courtyard By Marriott 630 ft ~3 min
Parking Heritage Parking 618 ft ~3 min
Coffee Coffee & Purrs 696 ft ~3 min
Restaurant Brightside Cafe 868 ft ~4 min
528 Pierce Street
Parking Martin Luther King Jr. Transportation Center 889 ft ~4 min
Hotel Warrior Hotel 1,015 ft ~4 min
Restaurant Pete’s Thai on 5th 984 ft ~4 min
507 5th Street, Sioux City 51101
Mo-Fr 10:00-21:05; Sa 11:00-21:05
Restaurant Trattoria Fresco 1,008 ft ~4 min
Coffee Jitters 0.20 mi ~5 min
Pharmacy Walgreens 0.36 mi ~8 min
Coffee Scooter's Coffee 0.37 mi ~8 min
675 Gordon Drive, Sioux City
Grocery Tropical Grocery Store 0.37 mi ~8 min
303 7th Street, Sioux City 51101
Convenience Kum & Go 0.38 mi ~8 min
EV charging 0.39 mi ~8 min
Gas station Kum & Go 0.40 mi ~8 min
Grocery Red Valley Natural Foods 0.44 mi ~9 min
600 Water Street, Sioux City 51103
Mo-Fr 10:00-19:00; Sa 09:00-17:00
Convenience Abarrotes Aguilar 0.45 mi ~9 min
1001 Court Street, Sioux City 51105
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 |
|---|---|---|
| 11081 | IA | Addiction (Substance Use Disorder)… primary |
This provider holds licence 11081 issued in IA. 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 Addiction (Substance Use Disorder) covers
Definition to come... NUCC Health Care Provider Taxonomy, code 101YA0400X
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 | 1003278193 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Mar 28, 2016 |
| Last updated | Mar 28, 2016 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | CADC |
| Practice address |
800 5TH ST Sioux City, IA 51101 (712) 234-2323 Fax (712) 234-2399 |
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 | 2 | 7 | 8 | 1 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 4 | 7 | 7 | 1 | 9 |
Sum = 57 · next multiple of 10 = 60 · check digit = 3 · actual last digit = 3
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.