Darren Billiot, RPH
Darren Billiot, RPH is a Pharmacist in Mobile, AL, registered under NPI 1003345158. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
Here is what surrounds this office in Mobile, based on OpenStreetMap data collected Sep 20, 2026. Parking is available about 1,024 ft away. The nearest transit stop is 0.28 mi away, served by Airport WB at Wintzells. A pharmacy sits 0.24 mi from the entrance (Walgreens), which helps if you leave with a prescription.
Getting here and what is nearby
Transit Airport EB at Warren Village 116 ft ~1 min
Parking 598 ft ~3 min
Restaurant Checkers 591 ft ~3 min
6404 Airport Boulevard, Mobile 36608
Grocery Walmart Neighborhood Market 762 ft ~3 min
6575 Airport Boulevard, Mobile 36608
Mo-Su 06:00-24:00
Restaurant Montego's Caribbean Cafe & Bar 938 ft ~4 min
6601 Airport Blvd, Suite C, Mobile 36685
We-Sa 11:00-21:00; Su 11:00-15:00
Parking 1,015 ft ~4 min
Parking 1,024 ft ~4 min
Transit Airport WB at Hillcrest 0.20 mi ~4 min
Pharmacy Walgreens 0.24 mi ~5 min
Transit Airport WB at Wintzells 0.28 mi ~6 min
Restaurant Wintzell’s Oyster House 0.29 mi ~6 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 |
|---|---|---|
| 13040 | AL | Pharmacist primary |
This provider holds licence 13040 issued in AL. 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 Pharmacist covers
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care. NUCC Health Care Provider Taxonomy, code 183500000X
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 | 1003345158 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 11, 2017 |
| Last updated | Jun 11, 2017 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Male |
| Credential | RPH |
| Practice address |
6575 AIRPORT BLVD Mobile, AL 36608 (251) 370-9848 |
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 | 4 | 5 | 1 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 4 | 1 | 1 | 1 |
Sum = 42 · next multiple of 10 = 50 · check digit = 8 · actual last digit = 8
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.