Joshua Welz, RMFTI
Joshua Welz, RMFTI is a Marriage & Family Therapist in Miami, FL, registered under NPI 1003392598. This provider registers 3 separate taxonomy codes, which usually means they practise across more than one recognised specialty. 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 Miami, based on OpenStreetMap data collected Sep 23, 2026. Parking is available about 926 ft away. The nearest transit stop is 866 ft away, served by Biscayne Boulevard & Northeast 62nd Street. If you arrive early, there is a coffee shop 0.25 mi away.
Getting here and what is nearby
Parking 286 ft ~2 min
Transit Biscayne Boulevard & Northeast 64th Terrace 615 ft ~3 min
Parking 619 ft ~3 min
Transit Biscayne Boulevard & Northeast 64th Street 687 ft ~3 min
Coffee Starbucks 761 ft ~3 min
Hotel New Yorker Miami Hotel 774 ft ~3 min
Transit Biscayne Boulevard & Northeast 62nd Street 866 ft ~4 min
Hotel South Pacific Motel 866 ft ~4 min
6300 Biscayne Boulevard, Miami
Hotel Shalimar Motel 953 ft ~4 min
Parking 926 ft ~4 min
Restaurant Balans 1,005 ft ~4 min
6789 Biscayne Boulevard, Miami 33138
Restaurant Blue Collar 0.21 mi ~5 min
Coffee Europa Car Wash & Cafe 0.23 mi ~5 min
6075 Biscayne Boulevard, Miami
Convenience Chevron 0.23 mi ~5 min
6075 Biscayne Boulevard, Miami 33137
Gas station Chevron 0.24 mi ~5 min
Restaurant Subway 0.24 mi ~5 min
6815 Biscayne Boulevard, Miami 33138
Mo-Sa 08:00-22:00; Su 09:00-22:00
Coffee Starbucks 0.25 mi ~5 min
6815 Biscayne Boulevard, Miami 33138
Convenience Kwik Shop 0.36 mi ~8 min
Convenience Flavorish Market 0.48 mi ~10 min
7283 Biscayne Boulevard, Miami
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 |
|---|---|---|
| IMT4178 | FL | Marriage & Family Therapist primary |
This provider holds licence IMT4178 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 Marriage & Family Therapist covers
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups. NUCC Health Care Provider Taxonomy, code 106H00000X
All registered taxonomy codes
This provider registers 3 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 106H00000X | Marriage & Family Therapist | IMT4178 | FL | primary |
| 103TR0400X | Rehabilitation Psychologist Rehabilitation | — | — | |
| 225400000X | Rehabilitation Practitioner | — | — |
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 | 1003392598 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jul 17, 2018 |
| Last updated | Feb 25, 2025 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Male |
| Credential | RMFTI |
| Practice address |
6445 NE 7TH AVE Miami, FL 33138 (305) 315-5238 |
| Mailing address |
11055 SW 186TH ST STE 306 Cutler Bay, FL 33157 |
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 | 9 | 2 | 5 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 9 | 4 | 5 | 9 |
Sum = 62 · next multiple of 10 = 70 · check digit = 8 · actual last digit = 8
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.