Mallory Sin, LDN, RD
NPI 1821426826ActiveIndividual· Dietitian, Registered· Boston, MA
Dietitian, Registered (LDN, RD) with Alisonrd LLC, practicing in Boston, Massachusetts. Medicare paid $3,549 for services to 15 patients in 2024. Lists Beth Israel Deaconess Medical Center as a hospital affiliation.
Overview
| NPI | 1821426826 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | LDN, RD |
| Sole proprietor | No |
| NPI issued | Oct 29, 2013 |
| Last updated in NPPES | Nov 27, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dietitian, Registered Primary | 133V00000X | 1076733 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Registered Dietitian Or Nutrition Professional (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 109 across 3 procedure codes |
| Paid by Medicare | $3,549 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Registered Dietitian Or Nutrition Professional |
Medical group
- Alisonrd LLCDedham, MA · 3 clinicians
Hospital affiliation
- Beth Israel Deaconess Medical CenterBoston, MA
Other registered dietitians in Boston
- 1003773268
- 1013555721
- 1063360659
- 1073977880
- 1083408769
- 1174418990
- 1184480824
- 1194507020
- 1225465180
- 1245584812
- 1255860094
- 1275372427
All 450 registered dietitians in Boston · All registered dietitians in Massachusetts