DR. WILLIBALDO OJEDA MELENDEZ M.D.
NPI 1689879009
Internal Medicine - Clinical Cardiac Electrophysiology in Kailua, HI

Q: What is Willibaldo Ojeda Melendez's NPI number?

The NPI number for Willibaldo Ojeda Melendez is 1689879009. It was assigned to this individual provider in the NPPES registry on June 16, 2007.

Q: What is Willibaldo Ojeda Melendez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Active since June 16, 2007PECOS EnrolledAccepts Medicare Assignment

95.75/100

CMS Quality Rating

642 ULUKAHIKI ST STE 103, KAILUA, HI 96734(808) 263-5009(808) 263-5091 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2026, Jul 8, 2026, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

On this page

About Dr. Willibaldo Ojeda Melendez M.d. NPPES

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

DR. WILLIBALDO OJEDA MELENDEZ M.D. (NPI 1689879009) is an individual clinical cardiac electrophysiology provider in Kailua, Hawaii, licensed in Hawaii (MD-27101) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Shannon Medical Center, and is a graduate of University Of Puerto Rico School Of Medicine (2001).

NPPES Registry Identity

NPI1689879009

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameDR. WILLIBALDO OJEDA MELENDEZCredential: M.D.

Location Address642 ULUKAHIKI ST STE 103Kailua, HI 96734-4418

Mailing Address640 Ulukahiki StKailua, HI 96734-4454 · (808) 263-5500

Phone(808) 263-5009

Fax(808) 263-5091

Sole ProprietorYes

Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 2001

Enumeration DateJune 16, 2007

Last NPPES UpdateJuly 30, 20265 updates tracked since enumeration

NPPES CertifiedJuly 30, 2026

✔ NPI 1689879009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

Licenses✔ Licensed in HI · MD-27101✔ Licensed in PR · 15475

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

642 ULUKAHIKI ST STE 103, Kailua, HI 96734

Open in Google Maps ↗

Other Identifiers 1

Other8GV409TX · Bcbs

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, HMSA, UnitedHealthcare.Insurance ›

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

Dr. Willibaldo Ojeda 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 ID7810037454

PECOS Enrollment IDI20170617000176

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

Medicare enrollment records show Willibaldo Ojeda Melendez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Castle Medical Center

0.1 mi

General Acute Care Hospital

640 ULUKAHIKI ST
Kailua, HI 96734

Reassigned Medicare billing, Hawaii enrollment
110 clinicians in this Medicare group

NPI 1316937691 (808) 263-5142

Shannon Clinic

3,539 mi

Rural Health

102 NORTH AVENUE H
Ozona, TX 76943

Reassigned Medicare billing, Texas enrollment
671 clinicians in this Medicare group

NPI 1245230465 (325) 392-3788

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 19

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.

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.

206 services162 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

193 services174 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

183 services183 patients

Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm 93657

This procedure involves using a tube, or catheter, to access your upper heart chamber. Special tools are then used to destroy a small area of heart tissue causing abnormal rhythm. This helps reset your heart's regular rhythm, improving heart function.

110 services55 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 93656

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

83 services83 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

63 services63 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

58 services54 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

40 services39 patients

Insertion of left lower heart electrode for pacemaker or defibrillator 33225

The procedure involves placing a small electrode in your left lower heart region. This electrode is part of a pacemaker or defibrillator, devices that help regulate your heart rhythm. It's done under local anesthesia, and you may feel mild discomfort.

35 services35 patients

Destruction of heart conduction tissue to create heart block 93650

This procedure involves destroying a small part of your heart's electrical system to treat abnormal heart rhythms. It creates a block in the heart's electrical pathway, slowing down the heart rate to improve its function.

33 services33 patients

Insertion of implantable defibrillator system 33249

The insertion of an implantable defibrillator system is a procedure to manage irregular heart rhythms. A small device is placed under your skin, which monitors your heart rate. If it detects an abnormal rhythm, it sends an electrical pulse to restore normal heartbeat.

27 services27 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

27 services27 patients

Removal and replacement of dual lead permanent pacemaker 33228

This procedure involves removing an old dual lead pacemaker and replacing it with a new one. A pacemaker helps regulate your heart's rhythm. The dual lead model has two wires connecting to your heart to improve its electrical signaling. The replacement is done under local anesthesia.

25 services25 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality of upper chamber of heart causing supraventricular tachycardia (rapid heart rate) 93653

This procedure is a detailed study of your heart's electrical activity. A thin tube (catheter) is inserted into your heart to identify and eliminate the area causing a fast heart rate. This helps restore normal heart rhythm, specifically targeting the upper chamber of the heart.

23 services23 patients

Ultrasound evaluation of heart blood vessel with review by radiologist 93662

This is a noninvasive procedure using sound waves to capture images of your heart's blood vessels. A radiologist, an expert in interpreting these images, will review the results to check for any abnormalities. This helps to monitor your heart health.

23 services23 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

22 services21 patients

Insertion of catheters and destruction of tissue to treat abnormal heart rhythm 93655

This procedure involves placing small tubes (catheters) into your heart via a blood vessel. These catheters emit energy that corrects irregular heartbeats by eliminating the problematic heart tissue. It's a common, minimally invasive method to treat abnormal heart rhythms.

20 services17 patients

Removal and replacement of multiple lead permanent pacemaker 33229

A multiple lead permanent pacemaker helps regulate your heart rate. If it isn't working properly, it may need to be removed and replaced. The procedure involves a minor surgery where the old device is taken out and a new one is put in its place to ensure your heart functions optimally.

15 services15 patients

Removal of heart rhythm monitor from under the skin 33286

This procedure involves the careful removal of a heart rhythm monitor, a device implanted under the skin to track your heart's activity. A healthcare professional will make a small incision, extract the monitor, and then close the wound. It's a safe, routine procedure.

15 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Shannon Medical Center

Acute Care Hospitals · San Angelo, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450571

Location120 E Harris Ave.San Angelo, TX 76903 · Tom Green County

Emergency services Birthing friendly

Ballinger Memorial Hospital

Critical Access Hospitals · Ballinger, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number451310

Location608 Avenue BBallinger, TX 76821 · Runnels County

Emergency services

Heart Of Texas Memorial Hospital

Critical Access Hospitals · Brady, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number451348

Location2008 Nine RoadBrady, TX 76825 · Mc Culloch County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96734 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

$136.68 typical visit price

range $60.53 – $180.05

Typical copayment $34.17 (range $15.13 – $45.01)

Most-billed visit code 99204

Established Patient

$105.65 typical visit price

range $20.09 – $147.56

Typical copayment $26.41 (range $5.02 – $36.89)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Other Providers at the Same Location NPPES 3

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

NAOKY C S TSAI MD INC

Internal Medicine (Gastroenterology)

642 ULUKAHIKI ST STE 103
KAILUA, HI 96734

Honolulu County (808) 263-5174

KOOLAU EAR NOSE AND THROAT, LLC

Specialist

642 ULUKAHIKI ST STE 103
KAILUA, HI 96734

Honolulu County (808) 263-5174

SHARATH SINGI REDDY MD

Urology

642 ULUKAHIKI ST STE 103
KAILUA, HI 96734

Honolulu County (808) 263-5360

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 Willibaldo Ojeda Melendez's NPI number?

The NPI number for Willibaldo Ojeda Melendez is 1689879009. It was assigned to this individual provider in the NPPES registry on June 16, 2007.

Where is Willibaldo Ojeda Melendez located?

Willibaldo Ojeda Melendez practices at 642 Ulukahiki St Ste 103, Kailua, HI 96734. The listed phone number is (808) 263-5009.

What is Willibaldo Ojeda Melendez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Willibaldo Ojeda Melendez enrolled in Medicare?

Yes. Willibaldo Ojeda 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 organizations bill Medicare for Willibaldo Ojeda Melendez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Willibaldo Ojeda Melendez reassigns Medicare benefits to 2 organizations: Castle Medical Center (Kailua, HI) and Shannon Clinic (Ozona, TX). 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 Willibaldo Ojeda Melendez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Willibaldo Ojeda Melendez accept?

Health plans from Blue Cross and Blue Shield of Texas, HMSA and UnitedHealthcare list Willibaldo Ojeda Melendez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Willibaldo Ojeda Melendez affiliated with any hospitals?

According to CMS data, Willibaldo Ojeda Melendez is affiliated with Shannon Medical Center, Ballinger Memorial Hospital and Heart Of Texas Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Willibaldo Ojeda Melendez was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.