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OMAR FRANCISCO MENDEZ MELENDEZ M.D.
NPI 1043600182
Internal Medicine in San Juan, PR

Active since January 28, 2015PECOS EnrolledAccepts Medicare Assignment
PUERTO RICO MEDICAL CENTER, BO MONACILLOS, SAN JUAN, PR 00917(939) 256-3224 Get Directions Write a Review

NPPES record last updated: April 7, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 7, 2021, Feb 12, 2016 (2 updates tracked since 2016).

About Omar Francisco Mendez Melendez M.d. NPPES

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

OMAR FRANCISCO MENDEZ MELENDEZ M.D. (NPI 1043600182) is an individual internal medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (21027) and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS, is affiliated with Presbyterian Community Hosp, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1043600182
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameOMAR FRANCISCO MENDEZ MELENDEZCredential: M.D.
Location AddressPUERTO RICO MEDICAL CENTER, BO MONACILLOSSan Juan, PR 00917
Mailing AddressPuerto Rico Medical Center, Bo MonacillosSan Juan, PR 00917 · (939) 256-3224
Phone(939) 256-3224
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateJanuary 28, 2015
Last NPPES UpdateApril 7, 20212 updates tracked since enumeration
NPPES CertifiedApril 7, 2021
✔ NPI 1043600182 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PR · 21027
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Omar Francisco Mendez Melendez M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527463702
PECOS Enrollment IDI20210826000902
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 Mendez Melendez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Respiratory Care Specialists LLP
Pulmonary Disease
735 PONCE DE LEON AVE, SUITE 716
San Juan, PR 00917
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 6 clinicians in this Medicare group
NPI 1457320087 (787) 765-3079

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 10

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
215 services60 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
84 services26 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
73 services40 patients
Test to measure largest amount of air breathed in an out 94200
This test, called spirometry, measures your lung capacity. It involves taking a deep breath and then exhaling as forcefully as possible into a machine. The results help assess how well your lungs function.
53 services33 patients
Test to measure rate of airflow 94375
This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.
53 services33 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
50 services46 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Presbyterian Community Hosp

Acute Care Hospitals · San Juan, PR
OwnershipVoluntary non-profit - Private
CMS Certification Number400001
Location1451 Ashford AvenueSan Juan, PR 00907 · San Juan County
Emergency services

Auxilio Mutuo Hospital

Acute Care Hospitals · San Juan, PR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number400016
LocationPonce De Leon Avenue 735 Stop 37 1/2San Juan, PR 00918 · San Juan County
Emergency services

Centro Cardiovascular

Acute Care Hospitals · Rio Piedras, PR
OwnershipGovernment - State
CMS Certification Number400124
LocationAvenida Americo Miranda, Entrada Principal CmRio Piedras, PR 00936 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00917 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
2 suppliers18 claims18 services$21.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

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

ADELBA TORRES-LOPEZ M.D.
Internal Medicine (Hematology & Oncology)
PUERTO RICO MEDICAL CENTER, BO. MONACILLOS
SAN JUAN, PR 00917
San Juan Municipio (787) 480-2791
DR. NADYESCHKA RIVERA M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
PUERTO RICO MEDICAL CENTER, BO. MONACILLOS
SAN JUAN, PR 00917
San Juan Municipio (787) 480-2700
DR. EMILY ENID IRIZARRY-PAGAN M.D.
General Practice
PUERTO RICO MEDICAL CENTER, BO.MONACILLOS
SAN JUAN, PR 00917
San Juan Municipio (787) 480-2791
SOFIA MARGARITA LOPEZ DIAZ MD
Obstetrics & Gynecology
PUERTO RICO MEDICAL CENTER, BO MONACILLOS
SAN JUAN, PR 00917
San Juan Municipio (787) 480-2791
MARLENE AMANDA FARINACCI VILARO MD
Internal Medicine (Pulmonary Disease)
PUERTO RICO MEDICAL CENTER, BO MONACILLOS
SAN JUAN, PR 00917
San Juan Municipio (787) 480-2700
JUAN MIGUEL GARCIA PUEBLA M.D.
Internal Medicine (Pulmonary Disease)
PUERTO RICO MEDICAL CENTER, BO. MONACILLOS
SAN JUAN, PR 00917
San Juan Municipio (787) 480-2791
NARGIES ANNETTE LICHA SOLER
Pediatrics
PUERTO RICO MEDICAL CENTER, BO MONACILLOS
SAN JUAN, PR 00917
San Juan Municipio (787) 480-2700
LIZA VAZQUEZ M.D.
Internal Medicine (Hematology & Oncology)
PUERTO RICO MEDICAL CENTER, BO.MONACILLOS
SAN JUAN, PR 00917
San Juan Municipio (787) 480-2791

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 Mendez Melendez's NPI number?

The NPI number for Omar Mendez Melendez is 1043600182. It was assigned to this individual provider in the NPPES registry on January 28, 2015.

Where is Omar Mendez Melendez located?

Omar Mendez Melendez practices at Puerto Rico Medical Center Bo Monacillos, San Juan, PR 00917. The listed phone number is (939) 256-3224.

What is Omar Mendez Melendez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Omar Mendez Melendez enrolled in Medicare?

Yes. Omar Mendez Melendez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Omar Mendez Melendez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Mendez Melendez reassigns Medicare benefits to Respiratory Care Specialists LLP (San Juan, 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 Mendez Melendez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Omar Mendez Melendez affiliated with any hospitals?

According to CMS data, Omar Mendez Melendez is affiliated with Presbyterian Community Hosp, Auxilio Mutuo Hospital and Centro Cardiovascular.

When was this NPI record last updated?

The NPPES record for Omar Mendez Melendez was last updated on April 7, 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.