MARIA D DIAZ MARTINEZ MS, SLP
NPI 1922435353
Speech-Language Pathologist in Guaynabo, PR
About Maria D Diaz Martinez Ms, Slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA D DIAZ MARTINEZ MS, SLP (NPI 1922435353) is an individual speech-language pathologist provider in Guaynabo, Puerto Rico, licensed in Puerto Rico (003025-1) and active in the NPI registry since September 2013.
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)
Maria D Diaz Martinez Ms, Slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Maria Diaz Martinez 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
- 85 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 Martinez's NPI number?
The NPI number for Maria Diaz Martinez is 1922435353. It was assigned to this individual provider in the NPPES registry on September 30, 2013.
Where is Maria Diaz Martinez located?
Maria Diaz Martinez practices at Cond Quintavalle 149 Calle Acuarela, Guaynabo, PR 00969. The listed phone number is (787) 448-2561.
What is Maria Diaz Martinez's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Maria Diaz Martinez enrolled in Medicare?
Yes. Maria Diaz Martinez is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Maria Diaz Martinez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Diaz Martinez reassigns Medicare benefits to Hospital Menonita Caguas Inc (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 Maria Diaz Martinez'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 Martinez was last updated on December 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 D Diaz Martinez, MS, SLP · NPI 1922435353
Speech-Language Pathologist provider in Guaynabo, Puerto Rico. Individual provider, active in the CMS NPPES registry since September 30, 2013.
## Identity
- **NPI:** 1922435353 (Entity type: Individual)
- **Enumerated:** September 30, 2013
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 003025-1 (Puerto Rico)
- **Sole proprietor:** Yes
## Practice location
- **Address:** COND QUINTAVALLE, 149 CALLE ACUARELA, Guaynabo, PR 00969-3580
- **Phone:** (787) 448-2561
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Hospital Menonita Caguas Inc (NPI 1295327625, Caguas, PR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 13, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1922435353) · Data from the CMS NPPES public registry.