1. Home
  2. Directory
  3. NPI Profile

OMAR GUERRERO DIAZ MD
NPI 1356094569
General Practice in Bayamon, PR

Active since January 28, 2022PECOS Enrolled
HOSPITAL HIMA SAN PABLO, CALLE SANTA CRUZ #70, BAYAMON, PR 00956(787) 620-4747 Get Directions Write a Review

NPPES record last updated: February 24, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 24, 2023, Jan 28, 2022 (2 updates tracked since 2022).

About Omar Guerrero Diaz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OMAR GUERRERO DIAZ MD (NPI 1356094569) is an individual general practice provider in Bayamon, Puerto Rico, licensed in Puerto Rico (023130) and active in the NPI registry since January 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356094569
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameOMAR GUERRERO DIAZCredential: MD
Location AddressHOSPITAL HIMA SAN PABLO, CALLE SANTA CRUZ #70Bayamon, PR 00956
Mailing AddressPo Box 305Comerio, PR 00782-0305 · (787) 605-0592
Phone(787) 620-4747
Sole ProprietorNo
Enumeration DateJanuary 28, 2022
Last NPPES UpdateFebruary 24, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 23, 2023
✔ NPI 1356094569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in PR · 023130
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedTechnician · Attendant Care ProviderTaxonomy 3747A0650X

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Omar Guerrero Diaz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Omar Guerrero Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Salud Integral En La Montana, Inc
Radiology, Mammography
CARR 891 KM, BO. PUEBLO
Corozal, PR 00783
NPI 1013498583 (787) 859-2560

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Omar Guerrero Diaz's NPI number?

The NPI number for Omar Guerrero Diaz is 1356094569. It was assigned to this individual provider in the NPPES registry on January 28, 2022.

Where is Omar Guerrero Diaz located?

Omar Guerrero Diaz practices at Hospital Hima San Pablo Calle Santa Cruz #70, Bayamon, PR 00956. The listed phone number is (787) 620-4747.

What is Omar Guerrero Diaz's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Omar Guerrero Diaz enrolled in Medicare?

Yes. Omar Guerrero Diaz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Omar Guerrero Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Guerrero Diaz reassigns Medicare benefits to Salud Integral En La Montana, Inc (Corozal, PR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Omar Guerrero Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Omar Guerrero Diaz was last updated on February 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.