SANDRA K DIAZ APRN
NPI 1265004659
Nurse Practitioner - Family in Spring, TX
About Sandra K Diaz Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDRA K DIAZ APRN (NPI 1265004659) is an individual family provider in Spring, Texas, licensed in Texas (1044934) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fort Worth, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Sandra K Diaz Aprn 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 Reassignments
3Medicare enrollment records show Sandra Diaz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Magnolia, TX 77354
- Reassigned Medicare billing, Texas enrollment
- 7 clinicians in this Medicare group
Pasadena, TX 77505
- Reassigned Medicare billing, Texas enrollment
- 644 clinicians in this Medicare group
Mckinney, TX 75071
- Reassigned Medicare billing, Texas enrollment
- 18 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77386 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Sandra Diaz's NPI number?
The NPI number for Sandra Diaz is 1265004659. It was assigned to this individual provider in the NPPES registry on July 14, 2021.
Where is Sandra Diaz located?
Sandra Diaz practices at 25503 Oakhurst Dr, Spring, TX 77386. The listed phone number is (936) 632-9400.
What is Sandra Diaz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sandra Diaz enrolled in Medicare?
Yes. Sandra 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 organizations bill Medicare for Sandra Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Diaz reassigns Medicare benefits to 3 organizations: Aj Marshall Medical, PLLC (Magnolia, TX), Integrative Emergency Services Physician Group-Houston PLLC (Pasadena, TX) and Integrative Health Texas PLLC (Mckinney, TX). Each 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 Sandra Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sandra Diaz accept?
Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Sandra 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.
When was this NPI record last updated?
The NPPES record for Sandra Diaz was last updated on March 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Sandra K Diaz, APRN · NPI 1265004659
Family physician in Spring, Texas. Individual provider, active in the CMS NPPES registry since July 14, 2021.
## Identity
- **NPI:** 1265004659 (Entity type: Individual)
- **Enumerated:** July 14, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 1044934 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 25503 OAKHURST DR, Spring, TX 77386-1439
- **Phone:** (936) 632-9400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Aj Marshall Medical, PLLC (NPI 1669181707, Magnolia, TX); Integrative Emergency Services Physician Group-Houston PLLC (NPI 1801458708, Pasadena, TX); Integrative Health Texas PLLC (NPI 1629848254, Mckinney, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** March 2, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1265004659) · Data from the CMS NPPES public registry.