IndividualActive
Joanna Corn, MS, RD, CNSD
NPI 1447471099 · Registered Dietitian · San Diego, CA
Joanna Corn, MS, RD, CNSD is a Registered Dietitian provider in San Diego, CA (NPI 1447471099).
Provider details
- NPI number
- 1447471099
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, CNSD
- Sex
- Female
- Sole proprietor
- No
- License
- 886117 (CA)
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
4647 Zion Ave
San Diego, CA 92120-2507
Phone: (619) 528-5302
Street-level locationGet directions
Mailing address
6586 Bell Bluff Ave
San Diego, CA 92119-1004
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joanna Corn's NPI number?
- Joanna Corn's National Provider Identifier (NPI) is 1447471099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Corn's specialty?
- Joanna Corn is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Joanna Corn located?
- Joanna Corn's practice location on file with NPPES is 4647 Zion Ave, San Diego, CA 92120-2507.
- What is Joanna Corn's phone number?
- The practice phone number listed in the NPPES registry for Joanna Corn is (619) 528-5302.
- Is Joanna Corn's NPI active?
- Yes — Joanna Corn's NPI (1447471099) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.