Jennifer Diep, DDS
Jennifer Diep, DDS is a provider specialising in General Practice Dentistry in Harlingen, TX, registered under NPI 1003426255. 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 Harlingen, based on OpenStreetMap data collected Sep 26, 2026. Parking is available about 0.27 mi away. A pharmacy sits 0.23 mi from the entrance (H-E-B Pharmacy), which helps if you leave with a prescription.
Getting here and what is nearby
Restaurant Gatti's Pizza 0.00 mi ~1 min
1208 South Expressway 83, Harlingen 78550
Convenience Stripes 389 ft ~2 min
Gas station Valero 346 ft ~2 min
Gas station Murphy USA 578 ft ~3 min
Hotel Super 8 by Wyndham Harlingen TX 686 ft ~3 min
Hotel Quality Inn 850 ft ~4 min
Grocery Walmart Supercenter 934 ft ~4 min
Parking 0.21 mi ~5 min
Parking 0.21 mi ~5 min
Pharmacy H-E-B Pharmacy 0.23 mi ~5 min
Grocery H-E-B 0.25 mi ~5 min
Gas station H-E-B Fuel 0.26 mi ~6 min
South Expressway 83, Harlingen
Parking 0.27 mi ~6 min
Restaurant Panda Express 0.27 mi ~6 min
2005 West Lincoln Avenue, Harlingen 78552
Mo-Th 10:00-22:00; Fr 10:00-22:30; Sa 10:00-22:00; Su 10:30-22:00
Restaurant IHOP 0.32 mi ~7 min
West Lincoln Avenue, Harlingen
Hotel Courtyard Harlingen 0.40 mi ~9 min
1725 West Filmore Avenue, Harlingen 78550
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 |
|---|---|---|
| 36459 | TX | General Practice Dentistry primary |
This provider holds licence 36459 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 General Practice covers
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs. NUCC Health Care Provider Taxonomy, code 1223G0001X
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 | 1003426255 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Aug 3, 2020 |
| Last updated | Aug 3, 2020 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Credential | DDS |
| Practice address |
1208 S EXPRESSWAY 83 Harlingen, TX 78552 (956) 465-0233 |
| Mailing address |
5815 CALICO CROSSING LN Katy, TX 77450 |
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 | 4 | 2 | 6 | 2 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 8 | 2 | 3 | 2 | 1 |
Sum = 45 · next multiple of 10 = 50 · 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.