1. Home
  2. Directory
  3. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CAROLINA ELMIRE GUERRERO DIAZ MD
NPI 1215599808
Pediatrics - Pediatric Gastroenterology in Bayamon, PR

Active since July 03, 2019PECOS Enrolled
CARRETERA #2, KM. 11.7, BAYAMON, PR 00959(787) 474-8282 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 5, 2026, Jun 23, 2023, Jul 21, 2022 and 1 more (4 updates tracked since 2019).

About Carolina Elmire Guerrero Diaz Md NPPES

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

CAROLINA ELMIRE GUERRERO DIAZ MD (NPI 1215599808) is an individual pediatric gastroenterology provider in Bayamon, Puerto Rico, licensed in Puerto Rico (22789) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215599808
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameCAROLINA ELMIRE GUERRERO DIAZCredential: MD
Location AddressCARRETERA #2, KM. 11.7Bayamon, PR 00959-7200
Mailing AddressPo Box 1999Bayamon, PR 00960-1999 · (787) 474-8282
Phone(787) 474-8282
Sole ProprietorNo
Enumeration DateJuly 3, 2019
Last NPPES UpdateAugust 5, 20264 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1215599808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in PR · 22789
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Also ListedPediatricsTaxonomy 208000000X · License 22789 (PR)

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carolina Elmire 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00959 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Carolina Guerrero Diaz's NPI number?

The NPI number for Carolina Guerrero Diaz is 1215599808. It was assigned to this individual provider in the NPPES registry on July 3, 2019.

Where is Carolina Guerrero Diaz located?

Carolina Guerrero Diaz practices at Carretera #2, Km. 11.7, Bayamon, PR 00959. The listed phone number is (787) 474-8282.

What is Carolina Guerrero Diaz's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Carolina Guerrero Diaz enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Carolina Guerrero Diaz was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.