Joann Ott-Slenker, RD, LDN
NPI 1871099390 · Registered Dietitian · Lancaster, PA
Joann Ott-Slenker, RD, LDN is a Registered Dietitian provider in Lancaster, PA (NPI 1871099390).
Provider details
- NPI number
- 1871099390
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- DN004719 (PA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-04-03
- Last updated
- 2020-05-08
- Certified
- 2020-05-08
Frequently asked questions
- What is Joann Ott-Slenker's NPI number?
- Joann Ott-Slenker's National Provider Identifier (NPI) is 1871099390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joann Ott-Slenker's specialty?
- Joann Ott-Slenker is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Joann Ott-Slenker located?
- Joann Ott-Slenker's practice location on file with NPPES is 555 N. Duke Street, Lancaster, PA 17604-3555.
- What is Joann Ott-Slenker's phone number?
- The practice phone number listed in the NPPES registry for Joann Ott-Slenker is (717) 544-7791.
- Is Joann Ott-Slenker's NPI active?
- Yes — Joann Ott-Slenker's NPI (1871099390) is active in the NPPES registry as of the last update on 2020-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.