OrganizationActive
Lillian-V-Mas-Rivera
NPI 1891839627 · Clinical Medical Laboratory · Carolina, PR
Lillian-V-Mas-Rivera is a Clinical Medical Laboratory organization in Carolina, PR (NPI 1891839627).
Provider details
- NPI number
- 1891839627
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Lillian Mas Rivera, Director(787) 757-9588
- License
- 699 (PR)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
237 San Marcos
Ext El Comandante
Carolina, PR 00982-3664
Phone: (787) 757-9588
Fax: (787) 757-9588
Street-level locationGet directions
Mailing address
237 San Marcos
Carolina, PR 00982-3664
Other names (DBA / former)
- Doing business as
- Lab-Clinico-Ext-El-Comandante
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2010-08-04
Frequently asked questions
- What is Lillian-V-Mas-Rivera's NPI number?
- Lillian-V-Mas-Rivera's National Provider Identifier (NPI) is 1891839627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lillian-V-Mas-Rivera?
- Lillian-V-Mas-Rivera is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Lillian-V-Mas-Rivera located?
- Lillian-V-Mas-Rivera's practice location on file with NPPES is 237 San Marcos, Carolina, PR 00982-3664.
- What is Lillian-V-Mas-Rivera's phone number?
- The practice phone number listed in the NPPES registry for Lillian-V-Mas-Rivera is (787) 757-9588.
- Who is the authorized official for Lillian-V-Mas-Rivera?
- The authorized official listed on Lillian-V-Mas-Rivera's NPPES record is Lillian Mas Rivera, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lillian-V-Mas-Rivera's NPI active?
- Yes — Lillian-V-Mas-Rivera's NPI (1891839627) is active in the NPPES registry as of the last update on 2010-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.