MARIA DEL C DIAZ LND
NPI 1477792083
Nutritionist - Nutrition, Education in Aibonito, PR
About Maria Del C Diaz Lnd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA DEL C DIAZ LND (NPI 1477792083) is an individual nutrition, education provider in Aibonito, Puerto Rico, licensed in Puerto Rico (1181) and active in the NPI registry since February 2009.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Maria Del C Diaz Lnd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Maria Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aibonito, PR 00705
- Reassigned Medicare billing, Puerto Rico enrollment
- 205 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Maria Diaz's NPI number?
The NPI number for Maria Diaz is 1477792083. It was assigned to this individual provider in the NPPES registry on February 5, 2009.
Where is Maria Diaz located?
Maria Diaz practices at Calle Dr. Troyer #3, Aibonito, PR 00705. The listed phone number is (787) 735-8001.
What is Maria Diaz's specialty?
The primary specialty registered for this NPI is Nutritionist, specializing in Nutrition, Education, with taxonomy code 133NN1002X.
Is Maria Diaz enrolled in Medicare?
Yes. Maria Diaz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Maria Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Diaz reassigns Medicare benefits to Mennonite General Hospital Inc (Aibonito, PR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Maria Diaz was last updated on February 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Maria Del C Diaz, LND · NPI 1477792083
Nutrition, Education provider in Aibonito, Puerto Rico. Individual provider, active in the CMS NPPES registry since February 5, 2009.
## Identity
- **NPI:** 1477792083 (Entity type: Individual)
- **Enumerated:** February 5, 2009
- **Primary specialty:** Nutritionist - Nutrition, Education · taxonomy 133NN1002X
- **State license:** 1181 (Puerto Rico)
- **Sole proprietor:** No
## Practice location
- **Address:** CALLE DR. TROYER, #3, Aibonito, PR 00705-1379
- **Phone:** (787) 735-8001 · **Fax:** (787) 735-7172
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Mennonite General Hospital Inc (NPI 1043347768, Aibonito, PR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 5, 2009
- **Other identifiers:** Other 19023AS (PR); Medicare UPIN P61382 (PR)
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Source: [NPI Profile](https://npiprofile.com/npi/1477792083) · Data from the CMS NPPES public registry.