MRS. HANNAH CATHERINE DIAZ DNP, CRNA
NPI 1164286001
Nurse Anesthetist, Certified Registered in Harlingen, TX
About Mrs. Hannah Catherine Diaz Dnp, Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. HANNAH CATHERINE DIAZ DNP, CRNA (NPI 1164286001) is an individual nurse anesthetist, certified registered in Harlingen, Texas, licensed in Texas (1152679) and active in the NPI registry since February 2024. She is affiliated with Valley Baptist Medical Center- Brownsville and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Hannah Catherine Diaz Dnp, Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Hannah Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Harlingen, TX 78550
- Reassigned Medicare billing, Texas enrollment
- 75 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Baptist Medical Center- Brownsville
Acute Care Hospitals · Brownsville, TXVhs Harlingen Hospital Company LLC
Acute Care Hospitals · Harlingen, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARLINGEN, TX 78550
HARLINGEN, TX 78550
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 Hannah Diaz's NPI number?
The NPI number for Hannah Diaz is 1164286001. It was assigned to this individual provider in the NPPES registry on February 12, 2024. The provider is also known as Miss Hannah Catherine Watts.
Where is Hannah Diaz located?
Hannah Diaz practices at 2101 Pease St, Harlingen, TX 78550. The listed phone number is (956) 389-1100.
What is Hannah Diaz's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Hannah Diaz enrolled in Medicare?
Yes. Hannah Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Hannah Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Diaz reassigns Medicare benefits to Harlingen Anesthesia Associates (Harlingen, TX). 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 Hannah Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hannah Diaz accept?
Health plans from Blue Cross and Blue Shield of Texas list Hannah Diaz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Hannah Diaz affiliated with any hospitals?
According to CMS data, Hannah Diaz is affiliated with Valley Baptist Medical Center- Brownsville and Vhs Harlingen Hospital Company LLC.
When was this NPI record last updated?
The NPPES record for Hannah Diaz was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Mrs. Hannah Catherine Diaz, DNP, CRNA · NPI 1164286001
Nurse Anesthetist, Certified Registered physician in Harlingen, Texas. Individual provider, active in the CMS NPPES registry since February 12, 2024.
## Identity
- **NPI:** 1164286001 (Entity type: Individual)
- **Enumerated:** February 12, 2024
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 1152679 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2101 PEASE ST, Harlingen, TX 78550-8307
- **Phone:** (956) 389-1100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Harlingen Anesthesia Associates (NPI 1093727455, Harlingen, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** May 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1164286001) · Data from the CMS NPPES public registry.