Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Advanced Hematology and Oncology Services LLC

Hematology & Oncology Physician in Cayey, PR · enumerated 2023 · authorized official Omayra Gonzalez, Presidente.

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

National Provider Identifier

1417656372

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Registry record

Entity type Organization (Type 2)

Legal business name Advanced Hematology and Oncology Services LLC

Practice address Carr 14 Km 12 Bo Ricon, 202, Cayey, PR, 00736

Phone (787) 535-0404

Fax (787) 263-2152

Enumeration date Mar 1, 2023

Last updated in NPPES Mar 1, 2023

Taxonomy & classification

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Omayra Gonzalez

Title Presidente

Phone (787) 535-0404

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 is the NPI number for Advanced Hematology and Oncology Services LLC?

The NPI for Advanced Hematology and Oncology Services LLC is 1417656372, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Advanced Hematology and Oncology Services LLC?

NPPES lists Omayra Gonzalez (Presidente) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-01.