Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Castlling LLC

Organization Emergency Medical Services (Emergency Medicine) Physician · NPI 1043017163

Castlling LLC is an Emergency Medical Services (Emergency Medicine) Physician in San Juan, Puerto Rico. Registered with an NPI since 2025.

In the registry since
2025
Specialties on file
7
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

1304 Calle Wilson Apt 8S
San Juan, PR 00907-2243
Phone: (787) 722-2371
Fax: (787) 722-2374

No coordinates on file. Search this address in Google Maps

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X
Internal Medicine Physician Taxonomy 207R00000X
Pediatrics Physician Taxonomy 208000000X
General Practice Physician Taxonomy 208D00000X
Hospitalist Physician Taxonomy 208M00000X
Physician Assistant Taxonomy 363A00000X
Nurse Practitioner Taxonomy 363L00000X

Record details

NPI number1043017163
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ubaldo Santiago — President · (787) 536-2033
NPI enumeratedFebruary 26, 2025
Last updated in NPPESFebruary 26, 2025
Certification dateFebruary 26, 2025
Mailing address1304 Calle Wilson Apt 8s, San Juan, PR 00907-2243

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