Mariela Ortiz, LMSW
Mariela Ortiz, LMSW is a provider specialising in Social Worker in Brooklyn, NY, registered under NPI 1003544305. 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 Brooklyn, based on OpenStreetMap data collected Oct 5, 2026. Parking is available about 0.34 mi away. The nearest transit stop is 275 ft away, served by Avenue Z & East 22nd Street. If you arrive early, there is a coffee shop 0.32 mi away.
Getting here and what is nearby
Transit Avenue Z & East 22nd Street 128 ft ~1 min
Parking 154 ft ~1 min
Transit Avenue Z & Ocean Avenue 259 ft ~1 min
Transit Avenue Z & East 22nd Street 275 ft ~2 min
Restaurant E sushi II 356 ft ~2 min
2971 Ocean Avenue, Brooklyn 11235
Mo-Th,Su 11:30-22:00; Fr-Sa 11:30-23:00
Convenience Ocean Ave Deli & Bagel 434 ft ~2 min
Mo-Su 00:00-00:00
Gas station BP 482 ft ~2 min
Restaurant Hayashi Sushi 843 ft ~4 min
2901 Ocean Avenue, Brooklyn 11235
Su-Th 11:30-22:30; Fr,Sa 11:30-23:00
Parking 947 ft ~4 min
Grocery Sheepshead Bay Fruit and Vegetable 0.21 mi ~5 min
Grocery Stop & Shop 0.23 mi ~5 min
1710 Avenue Y, Brooklyn 11235
Mo-Sa 07:00-23:00; Su 07:00-22:00
Grocery NetCost Market 0.24 mi ~5 min
Restaurant Masakari 0.25 mi ~5 min
Coffee Coffee Spot Cafe 0.26 mi ~6 min
1617 Jerome Avenue, 11235
Mo-Fr 08:00-18:30; Sa 08:00-17:30; Su 09:00-17:30
Convenience Fruit Garden Deli 0.27 mi ~6 min
Coffee Starbucks 0.30 mi ~6 min
1600 Sheepshead Bay Road, Brooklyn 11235
Convenience Bay Supermarket 0.30 mi ~7 min
1510 Sheepshead Bay Road, Brooklyn 11235
Coffee Drury 0.32 mi ~7 min
1501 Sheepshead Bay Road, 11235
Parking 0.34 mi ~7 min
Voorhies Avenue, Brooklyn 11235
Gas station Citgo 0.50 mi ~11 min
Nostrand Avenue, Brooklyn 11235
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 |
|---|---|---|
| 116429 | NY | Social Worker primary |
This provider holds licence 116429 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 Social Worker covers
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public. NUCC Health Care Provider Taxonomy, code 104100000X
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 | 1003544305 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Aug 13, 2022 |
| Last updated | Aug 13, 2022 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Credential | LMSW |
| Practice address |
2102 AVENUE Z STE 304 Brooklyn, NY 11235 (347) 921-3250 |
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 | 5 | 4 | 4 | 3 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 1 | 4 | 8 | 3 | 0 |
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.