Mark Gyau, LPN
Mark Gyau, LPN is a Licensed Practical Nurse in Bronx, NY, registered under NPI 1003344722. 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 Bronx, based on OpenStreetMap data collected Sep 20, 2026. Parking is available about 0.42 mi away. The nearest transit stop is 0.43 mi away, served by Sedgwick Avenue & Stevenson Place. A pharmacy sits 0.48 mi from the entrance (Bainbridge Pharmacy), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.49 mi away.
Getting here and what is nearby
Transit Paul Avenue & West Mosholu Parkway South 176 ft ~1 min
Transit West Mosholu Parkway South & Jerome Avenue 211 ft ~1 min
Parking 353 ft ~2 min
Pharmacy Walgreens 0.29 mi ~6 min
3480 Jerome Avenue, 10467
Restaurant El Valle Restaurant 0.31 mi ~7 min
3535 Jerome Avenue, Bronx 10467
Grocery Fine Fare Supermarket 0.34 mi ~7 min
Parking 0.38 mi ~8 min
3518 Jerome Avenue, 10467
Parking 0.42 mi ~9 min
3414 Bainbridge Avenue, 10467
Transit Sedgwick Avenue & Stevenson Place 0.43 mi ~9 min
3891 Sedgwick Avenue, 10463
Grocery Food Dynasty 0.43 mi ~9 min
Pharmacy Bainbridge Pharmacy 0.48 mi ~10 min
3161A Bainbridge Avenue
Restaurant Tex's Chicken & Burgers 0.48 mi ~10 min
277 East 206th Street, Bronx 10467
Su-We 09:00-24:00; Th-Sa 09:00-01:00
Coffee New Star Coffee Shop 0.49 mi ~10 min
3150 Bainbridge Avenue
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 |
|---|---|---|
| 328653-1 | NY | Licensed Practical Nurse primary |
This provider holds licence 328653-1 issued in NY. 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 Licensed Practical Nurse covers
An individual with post-high school vocational training and practical experience in the provision of nursing care at a level less than that required for certification as a Registered Nurse. Requirements for education, experience, licensure, and job responsibilities vary among the states. NUCC Health Care Provider Taxonomy, code 164W00000X
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 | 1003344722 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | May 25, 2017 |
| Last updated | Jul 21, 2022 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Male |
| Credential | LPN |
| Practice address |
20 W MOSHOLU PKWY S APT 15B Bronx, NY 10468 (718) 865-6658 |
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 | 4 | 7 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 4 | 8 | 7 | 4 |
Sum = 58 · next multiple of 10 = 60 · check digit = 2 · actual last digit = 2
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.