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DR. ISAAC OMAR RUIZ-MERCADO MD
NPI 1497064281
Emergency Medicine in Ponce, PR

Active since September 28, 2010PECOS Enrolled
917 AVE TITO CASTRO, PONCE, PR 00716(787) 844-2080 Get Directions Write a Review

NPPES record last updated: August 18, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Isaac Omar Ruiz-mercado Md NPPES

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

DR. ISAAC OMAR RUIZ-MERCADO MD (NPI 1497064281) is an individual emergency medicine provider in Ponce, Puerto Rico, licensed in Puerto Rico (18588) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497064281
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ISAAC OMAR RUIZ-MERCADOCredential: MD
Location Address917 AVE TITO CASTROPonce, PR 00716-4717
Mailing AddressPo Box 250566Aguadilla, PR 00604-0566 · (787) 844-2080
Phone(787) 844-2080
Sole ProprietorYes
Enumeration DateSeptember 28, 2010
Last NPPES UpdateAugust 18, 2021
NPPES CertifiedAugust 18, 2021
✔ NPI 1497064281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in PR · 18588
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Isaac Omar Ruiz-mercado 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 Reassignments

3

Medicare enrollment records show Isaac Ruiz-mercado reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centro Medico Del Turabo Inc
Multi-Specialty
HIMA SAN PABLO CAGUAS, URB MARIOLGA #100 AVE LUIS MUNOZ MARIN
Caguas, PR 00725
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 428 clinicians in this Medicare group
NPI 1710107883 (787) 653-3434
Hospital Menonita Ponce Inc
Specialist
CARR PR 506 KM 1.0, BO COTO LAUREL
Ponce, PR 00780
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 30 clinicians in this Medicare group
NPI 1336859479 (787) 434-1700
Irm Emergency Services Psc
Emergency Medicine
URB SANTA CRUZ, 70 CALLE SANTA CRUZ
Bayamon, PR 00956
  • Reassigned Medicare billing, Puerto Rico enrollment
NPI 1497525083 (787) 376-6915

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00716 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
$88.07 typical visit price
range $56.86 – $172.44
Typical copayment $22.01 (range $14.21 – $43.11)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. WILMER ELIEZER MORALES-HERNANDEZ MD
Emergency Medicine
917 AVE TITO CASTRO
PONCE, PR 00716
Ponce Municipio (787) 840-4545
JUAN PABLO TORRES M.D.
Internal Medicine
917 AVE TITO CASTRO
PONCE, PR 00716
Ponce Municipio (787) 840-4545
ANGELICA C MARRERO PEREZ
Student in an Organized Health Care Education/Training Program
917 AVE TITO CASTRO
PONCE, PR 00716
Ponce Municipio (787) 844-2080
JOHN VELEZ
Student in an Organized Health Care Education/Training Program
917 AVE TITO CASTRO
PONCE, PR 00716
Ponce Municipio (787) 844-2080
DR. GEORGE PAUL FAHED MD
Internal Medicine (Pulmonary Disease)
917 AVE TITO CASTRO, TORRE MEDICA SAN LUCAS SUITE 701
PONCE, PR 00716
Ponce Municipio (787) 290-5577
DR. MANUEL ALBERTO PELLICIER MERCUCCI M.D.
General Practice
917 AVE TITO CASTRO
PONCE, PR 00716
Ponce Municipio (787) 844-2080
ANA GABRIELA ALVAREZ PAGAN MD
Pediatrics
917 AVE TITO CASTRO
PONCE, PR 00716
Ponce Municipio (787) 844-2080
EDUARDO JOSE COLON MELENDEZ
Internal Medicine
917 AVE TITO CASTRO
PONCE, PR 00716
Ponce Municipio (787) 844-9101

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 Isaac Ruiz-mercado's NPI number?

The NPI number for Isaac Ruiz-mercado is 1497064281. It was assigned to this individual provider in the NPPES registry on September 28, 2010.

Where is Isaac Ruiz-mercado located?

Isaac Ruiz-mercado practices at 917 Ave Tito Castro, Ponce, PR 00716. The listed phone number is (787) 844-2080.

What is Isaac Ruiz-mercado's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Isaac Ruiz-mercado enrolled in Medicare?

Yes. Isaac Ruiz-mercado is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Isaac Ruiz-mercado's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Ruiz-mercado reassigns Medicare benefits to 3 organizations: Centro Medico Del Turabo Inc (Caguas, PR), Hospital Menonita Ponce Inc (Ponce, PR) and Irm Emergency Services Psc (Bayamon, PR). Each 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 Isaac Ruiz-mercado'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 Isaac Ruiz-mercado was last updated on August 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.