Sonia Nieves Santiago, PHD
NPI 1871805853 · Psychologist · Rio Grande, PR
Enrolled with Medicare as Practitioner - Psychologist Billing Independently · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonia Nieves Santiago, PHD is a Psychologist provider in Rio Grande, PR (NPI 1871805853).
Provider details
- NPI number
- 1871805853
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 3791 (PR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-08
- Last updated
- 2022-07-29
- Certified
- 2022-07-29
Frequently asked questions
- What is Sonia Nieves Santiago's NPI number?
- Sonia Nieves Santiago's National Provider Identifier (NPI) is 1871805853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonia Nieves Santiago's specialty?
- Sonia Nieves Santiago is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Sonia Nieves Santiago located?
- Sonia Nieves Santiago's practice location on file with NPPES is K2 Calle 4 Villas De Rio Grande, Rio Grande, PR 00745-2823.
- What is Sonia Nieves Santiago's phone number?
- The practice phone number listed in the NPPES registry for Sonia Nieves Santiago is (787) 887-7837.
- Does Sonia Nieves Santiago accept Medicare?
- Sonia Nieves Santiago is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonia Nieves Santiago's NPI active?
- Yes — Sonia Nieves Santiago's NPI (1871805853) is active in the NPPES registry as of the last update on 2022-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.