Crystal Riojas, MSN APRN FNP-C
NPI 1588190623 · Nurse Practitioner · Fort Sam Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Riojas, MSN APRN FNP-C is a Nurse Practitioner provider in Fort Sam Houston, TX (NPI 1588190623).
Provider details
- NPI number
- 1588190623
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN APRN FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP133479 (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
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$17 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
Registry dates
- Enumerated
- 2017-05-11
- Last updated
- 2024-04-11
- Certified
- 2024-04-11
Frequently asked questions
- What is Crystal Riojas's NPI number?
- Crystal Riojas's National Provider Identifier (NPI) is 1588190623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Riojas's specialty?
- Crystal Riojas is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Riojas located?
- Crystal Riojas's practice location on file with NPPES is 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234-4504.
- What is Crystal Riojas's phone number?
- The practice phone number listed in the NPPES registry for Crystal Riojas is (210) 916-3000.
- Does Crystal Riojas accept Medicare?
- Crystal Riojas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Riojas's NPI active?
- Yes — Crystal Riojas's NPI (1588190623) is active in the NPPES registry as of the last update on 2024-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.