Cassandra Martinez, FNP-C
NPI 1891474607 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Martinez, FNP-C is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1891474607).
Provider details
- NPI number
- 1891474607
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1128726 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 10586 Parrigin RdHelotes, TX 78023-4200Phone: (210) 279-1080
- 4502 Medical DrSan Antonio, TX 78229-4402Phone: (210) 743-0019
Registry dates
- Enumerated
- 2023-07-18
- Last updated
- 2024-04-08
- Certified
- 2024-04-08
Frequently asked questions
- What is Cassandra Martinez's NPI number?
- Cassandra Martinez's National Provider Identifier (NPI) is 1891474607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Martinez's specialty?
- Cassandra Martinez is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Martinez located?
- Cassandra Martinez's practice location on file with NPPES is 4647 Medical Dr, San Antonio, TX 78229-4403.
- What is Cassandra Martinez's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Martinez is (210) 358-5510.
- Does Cassandra Martinez accept Medicare?
- Cassandra Martinez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Martinez's NPI active?
- Yes — Cassandra Martinez's NPI (1891474607) is active in the NPPES registry as of the last update on 2024-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.