Maryjane Keller
Maryjane Keller is an Adult Health Nurse Practitioner in Houston, TX, registered under NPI 1003319401. 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 Houston, based on OpenStreetMap data collected Sep 12, 2026. Parking is available about 0.33 mi away at Scurlock Tower Parking. The nearest transit stop is 562 ft away. A pharmacy sits 0.44 mi from the entrance (Walgreens), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.34 mi away.
Getting here and what is nearby
Restaurant Chick-fil-A 337 ft ~2 min
6410 Fannin Street, Houston 77030
Transit 448 ft ~2 min
Transit 454 ft ~2 min
Transit 562 ft ~3 min
Coffee Koko Cafe 0.22 mi ~5 min
10:00-19:00
Parking Texas Medical Center Garage 4 0.22 mi ~5 min
1406 Cambridge Street, Houston 77030
Parking Smith Tower Parking 0.25 mi ~6 min
6550 Fannin Street, Houston 77030
Coffee Little Kitchen HTX 0.31 mi ~7 min
Parking Scurlock Tower Parking 0.33 mi ~7 min
6560 Fannin Street, Houston 77030
Coffee Twiga Café 0.34 mi ~7 min
6200 Hermann Park Drive, Houston 77030
Restaurant Einstein Bros. Bagels 0.34 mi ~7 min
Restaurant Chick-fil-A 0.34 mi ~7 min
6550 Bertner Avenue, Houston 77030
Mo-Fr 07:00-14:00; Su off
Hotel The Westin Houston Medical Center 0.40 mi ~9 min
Pharmacy CVS Pharmacy 0.42 mi ~9 min
6622 Fannin Street, Houston 77030
Pharmacy Walgreens 0.44 mi ~9 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 |
|---|---|---|
| AP106264 | TX | Adult Health Nurse Practitioner primary |
This provider holds licence AP106264 issued in TX. 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 Adult Health covers
Definition to come... NUCC Health Care Provider Taxonomy, code 363LA2200X
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 | 1003319401 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Mar 12, 2018 |
| Last updated | Mar 12, 2018 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Practice address |
6410 FANNIN ST STE 250 Houston, TX 77030 (832) 325-7131 |
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 | 1 | 9 | 4 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 1 | 9 | 4 | 0 |
Sum = 49 · next multiple of 10 = 50 · check digit = 1 · actual last digit = 1
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.