IndividualActive
Mary Phelps, MS, CNS
NPI 1881247633 · Nutritionist · Washington, DC
Mary Phelps, MS, CNS is a Nutritionist provider in Washington, DC (NPI 1881247633).
Provider details
- NPI number
- 1881247633
- Entity type
- Individual
- Primary specialty
- NutritionistDietary & Nutritional Service Providers
- Credential
- MS, CNS
- Sex
- Female
- Sole proprietor
- Yes
- License
- NU10000021 (DC)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(66/100 index)
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
1236 Pennsylvania Ave Se
Washington, DC 20003-2226
Phone: (609) 477-3050
Street-level locationGet directions
Mailing address
2909 N St Se
Washington, DC 20019-2139
Registry dates
- Enumerated
- 2019-07-22
- Last updated
- 2019-07-22
Frequently asked questions
- What is Mary Phelps's NPI number?
- Mary Phelps's National Provider Identifier (NPI) is 1881247633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Phelps's specialty?
- Mary Phelps is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).
- Where is Mary Phelps located?
- Mary Phelps's practice location on file with NPPES is 1236 Pennsylvania Ave Se, Washington, DC 20003-2226.
- What is Mary Phelps's phone number?
- The practice phone number listed in the NPPES registry for Mary Phelps is (609) 477-3050.
- Is Mary Phelps's NPI active?
- Yes — Mary Phelps's NPI (1881247633) is active in the NPPES registry as of the last update on 2019-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.