CASSANDRA P MARTINEZ FNP-C
NPI 1891474607
Nurse Practitioner - Family in San Antonio, TX
About Cassandra P Martinez Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSANDRA P MARTINEZ FNP-C (NPI 1891474607) is an individual family provider in San Antonio, Texas, licensed in Texas (1128726) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Cassandra P Martinez Fnp-c 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 Cassandra Martinez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: University Of Texas Health Science Center At San Antonio
- 2,397 clinicians in this Medicare group
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 1,129 clinicians in this Medicare group
San Antonio, TX 78227
- Reassigned Medicare billing, Texas enrollment
- 20 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 78229 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.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
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 Cassandra Martinez's NPI number?
The NPI number for Cassandra Martinez is 1891474607. It was assigned to this individual provider in the NPPES registry on July 18, 2023.
Where is Cassandra Martinez located?
Cassandra Martinez practices at 4647 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 358-5510.
What is Cassandra Martinez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cassandra Martinez enrolled in Medicare?
Yes. Cassandra Martinez 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 Cassandra Martinez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Martinez reassigns Medicare benefits to 3 organizations: University Of Texas Health Science Center, San Antonio (San Antonio, TX), Community Medicine Associates (San Antonio, TX) and Alamo City Urgent Care, LLC (San Antonio, 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 Cassandra Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassandra Martinez accept?
Health plans from Blue Cross and Blue Shield of Texas, Community First and Imperial Insurance Companies, Inc. list Cassandra Martinez 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 Cassandra Martinez was last updated on April 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Cassandra P Martinez, FNP-C · NPI 1891474607
Family physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since July 18, 2023.
## Identity
- **NPI:** 1891474607 (Entity type: Individual)
- **Enumerated:** July 18, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 1128726 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4647 MEDICAL DR, San Antonio, TX 78229-4403
- **Phone:** (210) 358-5510
## 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): University Of Texas Health Science Center, San Antonio (NPI 1831120336, San Antonio, TX); Community Medicine Associates (NPI 1245313329, San Antonio, TX); Alamo City Urgent Care, LLC (NPI 1245721406, San Antonio, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** April 8, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1891474607) · Data from the CMS NPPES public registry.