IndividualActive
Susan O'Brien, MS, RD, LDN
NPI 1295028322 · Registered Dietitian · Tewksbury, MA
Susan O'Brien, MS, RD, LDN is a Registered Dietitian provider in Tewksbury, MA (NPI 1295028322).
Provider details
- NPI number
- 1295028322
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 2225 (MA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
365 East St
Tewksbury, MA 01876-1950
Phone: (978) 851-7321
Street-level locationGet directions
Mailing address
578 Merriam Ave
Leominster, MA 01453-2153
Registry dates
- Enumerated
- 2011-05-23
- Last updated
- 2011-05-23
Frequently asked questions
- What is Susan O'Brien's NPI number?
- Susan O'Brien's National Provider Identifier (NPI) is 1295028322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan O'Brien's specialty?
- Susan O'Brien is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Susan O'Brien located?
- Susan O'Brien's practice location on file with NPPES is 365 East St, Tewksbury, MA 01876-1950.
- What is Susan O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Susan O'Brien is (978) 851-7321.
- Is Susan O'Brien's NPI active?
- Yes — Susan O'Brien's NPI (1295028322) is active in the NPPES registry as of the last update on 2011-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.