Jennifer Allen, NP
Jennifer Allen, NP is a Critical Care Medicine Nurse Practitioner in Jacksonville, FL, registered under NPI 1003748054. 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 Jacksonville, based on OpenStreetMap data collected Sep 27, 2026. Parking is available about 0.48 mi away. The nearest transit stop is 0.31 mi away, served by Route 5 - Park Street & King Street. A pharmacy sits 0.35 mi from the entrance (Walgreens), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.35 mi away.
Getting here and what is nearby
Parking 395 ft ~2 min
Parking 478 ft ~2 min
Convenience Oak and Stockton 0.24 mi ~5 min
Hotel St. Johns House 0.27 mi ~6 min
Transit Route 5 - 2660 Park Street 0.30 mi ~7 min
Transit Route 5 - Park Street & Barr Street 0.30 mi ~7 min
Transit Route 5 - Park Street & King Street 0.31 mi ~7 min
Coffee Cool Moose Cafe 0.31 mi ~7 min
2708 Park Street, Jacksonville
Restaurant Primi Piatti 0.31 mi ~7 min
2722 Park Street, Jacksonville 32205
Restaurant Sumo Sushi 0.32 mi ~7 min
Coffee Cicada 0.35 mi ~7 min
Pharmacy Walgreens 0.35 mi ~7 min
Restaurant European Street Cafe 0.36 mi ~8 min
2573 Park Street, Jacksonville 32205
Mo-Su 10:00-21:00
Hotel The Dickert House Bed & Breakfast 0.38 mi ~8 min
1724 Copeland Street, Jacksonville 32204
Parking 0.48 mi ~10 min
2116 Riverside Avenue, Jacksonville 32204
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 |
|---|---|---|
| 689648 | FL | Critical Care Medicine Nurse Practitioner primary |
This provider holds licence 689648 issued in FL. 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 Critical Care Medicine covers
Definition to come... NUCC Health Care Provider Taxonomy, code 363LC0200X
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 | 1003748054 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 2, 2026 |
| Last updated | Jun 2, 2026 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Credential | NP |
| Practice address |
1 SHIRCLIFF WAY Jacksonville, FL 32204 (904) 308-7300 |
| Mailing address |
95357 CORNFLOWER DR Fernandina Beach, FL 32034 |
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 | 7 | 4 | 8 | 0 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 5 | 4 | 7 | 0 | 1 |
Sum = 46 · next multiple of 10 = 50 · check digit = 4 · actual last digit = 4
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.