IndividualActive
Joan Diaz, RD
NPI 1003997057 · Registered Dietitian · San Juan, PR
Joan Diaz, RD is a Registered Dietitian provider in San Juan, PR (NPI 1003997057).
Provider details
- NPI number
- 1003997057
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1140 (PR)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(90/100 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
10 Calle Casia
San Juan, PR 00921-3200
Phone: (787) 641-7582
Fax: (787) 641-8399
Mailing address
19 Calle Vereda
San Juan, PR 00926-5984
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joan Diaz's NPI number?
- Joan Diaz's National Provider Identifier (NPI) is 1003997057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Diaz's specialty?
- Joan Diaz is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Joan Diaz located?
- Joan Diaz's practice location on file with NPPES is 10 Calle Casia, San Juan, PR 00921-3200.
- What is Joan Diaz's phone number?
- The practice phone number listed in the NPPES registry for Joan Diaz is (787) 641-7582.
- Is Joan Diaz's NPI active?
- Yes — Joan Diaz's NPI (1003997057) 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.