Sophie Martin, LD, RD
Sophie Martin, LD, RD is a Registered Dietitian in Bronx, NY, registered under NPI 1003455130.
Getting there
Here is what surrounds this office in Bronx, based on OpenStreetMap data collected Sep 28, 2026. Parking is available about 0.26 mi away at Department of Sanitation District 6 Garage. The nearest transit stop is 559 ft away, served by Crotona Avenue & East 176th Street.
Getting here and what is nearby
Transit Crotona Avenue & East 175th Street 148 ft ~1 min
Transit Crotona Avenue & East 175th Street 291 ft ~2 min
Transit Crotona Avenue & East 176th Street 559 ft ~3 min
Parking 712 ft ~3 min
Parking 752 ft ~3 min
Gas station BP 0.21 mi ~5 min
Restaurant Wendy's 0.21 mi ~5 min
Restaurant Dunkin' 0.25 mi ~6 min
4115 3rd Avenue, Bronx 10457
Mo-Sa 05:00-21:30; Su 06:00-21:30
Parking Department of Sanitation District 6 Garage 0.26 mi ~6 min
Restaurant Texas Chicken & Burgers 0.30 mi ~7 min
Grocery C-Town 0.46 mi ~10 min
1761 Southern Boulevard, Bronx 10460
Mo-Su 08:00-21:00
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 |
|---|---|---|
| 86153022 | TX | Registered Dietitian primary |
This provider holds licence 86153022 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 Dietitian, Registered covers
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation. NUCC Health Care Provider Taxonomy, code 133V00000X
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 | 1003455130 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jan 6, 2020 |
| Last updated | Apr 1, 2024 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | LD, RD |
| Practice address |
1802 CROTONA AVE Bronx, NY 10457 (917) 607-3312 |
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 | 5 | 5 | 1 | 3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 8 | 5 | 1 | 1 | 6 |
Sum = 50 · next multiple of 10 = 50 · check digit = 0 · actual last digit = 0
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.