Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Functional Endocrinology Institute P.S.C

Exclusive Provider Organization in Guaynabo, PR · enumerated 2016 · authorized official Paola Mansilla Letelier, Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1295282499

Verified

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Registry record

Entity type Organization (Type 2)

Legal business name Functional Endocrinology Institute P.S.C

Practice address 120 Calle Carazo, Guaynabo, PR, 00970

Phone (787) 400-0333

Enumeration date Sep 6, 2016

Last updated in NPPES Sep 6, 2016

Taxonomy & classification

302F00000X Exclusive Provider Organization Managed Care Organizations · License 18179 (PR) Primary

Authorized official

Name Paola Mansilla Letelier

Title Owner

Phone (787) 233-9108

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Functional Endocrinology Institute P.S.C?

Functional Endocrinology Institute P.S.C is registered in NPPES as a Exclusive Provider Organization (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-06.