DR. MILDRED JANET DIAZ M.D.
NPI 1770752008
General Practice in Carolina, PR
About Dr. Mildred Janet Diaz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MILDRED JANET DIAZ M.D. (NPI 1770752008) is an individual general practice provider in Carolina, Puerto Rico, licensed in Puerto Rico (11677) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mildred Janet Diaz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mildred Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Caguas, PR 00725
- Reassigned Medicare billing, Puerto Rico enrollment
- 26 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 Mildred Diaz's NPI number?
The NPI number for Mildred Diaz is 1770752008. It was assigned to this individual provider in the NPPES registry on February 20, 2008.
Where is Mildred Diaz located?
Mildred Diaz practices at 214 Calle Bromelia Urb Valle Escondido, Carolina, PR 00987. The listed phone number is (787) 752-9006.
What is Mildred Diaz's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Mildred Diaz enrolled in Medicare?
Yes. Mildred Diaz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mildred Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mildred Diaz reassigns Medicare benefits to Tiger Med Corp (Caguas, 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 Mildred 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 Mildred Diaz was last updated on February 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Mildred Janet Diaz, M.D. · NPI 1770752008
General Practice physician in Carolina, Puerto Rico. Individual provider, active in the CMS NPPES registry since February 20, 2008.
## Identity
- **NPI:** 1770752008 (Entity type: Individual)
- **Enumerated:** February 20, 2008
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 11677 (Puerto Rico)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 214 CALLE BROMELIA, URB VALLE ESCONDIDO, Carolina, PR 00987-8732
- **Phone:** (787) 752-9006 · **Fax:** (787) 752-9006
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Tiger Med Corp (NPI 1205044013, Caguas, PR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** February 20, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1770752008) · Data from the CMS NPPES public registry.