Marielys Castro Arroyo, MD
NPI 1851229363 · Student in an Organized Health Care Education/Training Program · Coto Laurel, PR
Marielys Castro Arroyo, MD is a Student in an Organized Health Care Education/Training Program provider in Coto Laurel, PR (NPI 1851229363).
Provider details
- NPI number
- 1851229363
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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.
Mailing address
Registry dates
- Enumerated
- 2026-05-13
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Marielys Castro Arroyo's NPI number?
- Marielys Castro Arroyo's National Provider Identifier (NPI) is 1851229363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marielys Castro Arroyo's specialty?
- Marielys Castro Arroyo is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Marielys Castro Arroyo located?
- Marielys Castro Arroyo's practice location on file with NPPES is Po Box 800501, Coto Laurel, PR 00780-0501.
- What is Marielys Castro Arroyo's phone number?
- The practice phone number listed in the NPPES registry for Marielys Castro Arroyo is (787) 848-2100.
- Is Marielys Castro Arroyo's NPI active?
- Yes — Marielys Castro Arroyo's NPI (1851229363) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.