IndividualActive
Mary Johnston, RD LD
NPI 1922129824 · Registered Dietitian · Columbus, OH
Mary Johnston, RD LD is a Registered Dietitian provider in Columbus, OH (NPI 1922129824).
Provider details
- NPI number
- 1922129824
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD LD
- Sex
- Female
- Sole proprietor
- No
- License
- LD2555 (OH)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1160 W Broad St
Lower Lights Christian Health Center
Columbus, OH 43222-1317
Phone: (614) 274-1455
Fax: (614) 274-2040
Street-level locationGet directions
Mailing address
1160 W Broad St
Columbus, OH 43222-1317
Registry dates
- Enumerated
- 2007-04-02
- Last updated
- 2014-08-07
Frequently asked questions
- What is Mary Johnston's NPI number?
- Mary Johnston's National Provider Identifier (NPI) is 1922129824, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Johnston's specialty?
- Mary Johnston is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary Johnston located?
- Mary Johnston's practice location on file with NPPES is 1160 W Broad St, Columbus, OH 43222-1317.
- What is Mary Johnston's phone number?
- The practice phone number listed in the NPPES registry for Mary Johnston is (614) 274-1455.
- Is Mary Johnston's NPI active?
- Yes — Mary Johnston's NPI (1922129824) is active in the NPPES registry as of the last update on 2014-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.