Jennifer O'Brien, RD, LDN
NPI 1821632662 · Student in an Organized Health Care Education/Training Program · Stoneham, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer O'Brien, RD, LDN is a Student in an Organized Health Care Education/Training Program provider in Stoneham, MA (NPI 1821632662).
Provider details
- NPI number
- 1821632662
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- RD, LDN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4836 (MA)
Specialties & taxonomies
Student, Health Care
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-11-05
- Last updated
- 2024-01-03
- Certified
- 2024-01-03
Frequently asked questions
- What is Jennifer O'Brien's NPI number?
- Jennifer O'Brien's National Provider Identifier (NPI) is 1821632662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer O'Brien's specialty?
- Jennifer O'Brien is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Jennifer O'Brien located?
- Jennifer O'Brien's practice location on file with NPPES is 18 Everett St, Stoneham, MA 02180-3155.
- What is Jennifer O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Jennifer O'Brien is (774) 284-0301.
- Does Jennifer O'Brien accept Medicare?
- Jennifer O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer O'Brien's NPI active?
- Yes — Jennifer O'Brien's NPI (1821632662) is active in the NPPES registry as of the last update on 2024-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.