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Maureen O'Brien, RD
NPI 1558539817 · Registered Dietitian · Newark, DE
Maureen O'Brien, RD is a Registered Dietitian provider in Newark, DE (NPI 1558539817).
Provider details
- NPI number
- 1558539817
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- DN0000264 (DE)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
4755 Ogletown Stanton Road
Newark, DE 19718-0001
Phone: (302) 733-4152
Fax: (302) 623-0669
Street-level locationGet directions
Mailing address
Po Box 30170
Wilmington, DE 19805-7170
Registry dates
- Enumerated
- 2008-02-20
- Last updated
- 2008-06-25
Frequently asked questions
- What is Maureen O'Brien's NPI number?
- Maureen O'Brien's National Provider Identifier (NPI) is 1558539817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maureen O'Brien's specialty?
- Maureen O'Brien is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Maureen O'Brien located?
- Maureen O'Brien's practice location on file with NPPES is 4755 Ogletown Stanton Road, Newark, DE 19718-0001.
- What is Maureen O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Maureen O'Brien is (302) 733-4152.
- Is Maureen O'Brien's NPI active?
- Yes — Maureen O'Brien's NPI (1558539817) is active in the NPPES registry as of the last update on 2008-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.