JULIO ANTONIO PEGUERO M.D
NPI 1659569507
Internal Medicine - Medical Oncology in Corpus Christi, TX

Q: What is Julio Peguero's NPI number?

The NPI number for Julio Peguero is 1659569507. It was assigned to this individual provider in the NPPES registry on October 4, 2007.

Q: What is Julio Peguero's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Julio Peguero was last updated on March 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since October 04, 2007PECOS EnrolledAccepts Medicare Assignment

77.7/100

CMS Quality Rating

7121 S. PADRE ISLAND DR, SUITE 102-101,119, CORPUS CHRISTI, TX 78412(361) 696-6000(361) 992-4120 Get Directions Write a Review

NPPES record last updated: March 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Julio Antonio Peguero M.d NPPES

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

JULIO ANTONIO PEGUERO M.D (NPI 1659569507) is an individual medical oncology provider in Corpus Christi, Texas, licensed in Texas (N7570) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and maintains 18 additional practice locations.

NPPES Registry Identity

NPI1659569507

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameJULIO ANTONIO PEGUEROCredential: M.D

Location Address7121 S. PADRE ISLAND DR, SUITE 102-101,119Corpus Christi, TX 78412-4938

Mailing AddressPo Box 676638Dallas, TX 75267-6638

Phone(361) 696-6000

Fax(361) 992-4120

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateOctober 4, 2007

Last NPPES UpdateMarch 18, 2026

NPPES CertifiedMarch 18, 2026

✔ NPI 1659569507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in TX · N7570

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal MedicineTaxonomy 207R00000X · License BP10029706 (TX)

Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License N7570 (TX)

7121 S. PADRE ISLAND DR, Corpus Christi, TX 78412

Open in Google Maps ↗

Secondary Practice Locations 18

Location 13333 Bayshore Blvd Ste 320Pasadena, TX 77504-1950 · Phone (832) 856-8965 · Fax (832) 856-8966

Location 22555 Gulf Fwy S Ste 700League City, TX 77573-6742 · Phone (832) 827-8002 · Fax (832) 827-8003

Location 318955 N Memorial Dr Ste 530Humble, TX 77338-4269 · Phone (346) 362-1670 · Fax (346) 362-1675

Location 427700 Northwest Freeway, Suite 400,425Cypress, TX 77433-6767 · Phone (832) 377-3260 · Fax (888) 506-5887

Location 510405 Katy Fwy Ste 120Houston, TX 77024-1121 · Phone (832) 333-1474 · Fax (832) 333-1475

Location 61631 North Loop W Ste 410Houston, TX 77008-1530 · Phone (713) 802-9000 · Fax (713) 802-2701

Location 710405 Katy Fwy Ste 150EHouston, TX 77024-1165 · Phone (713) 722-9660 · Fax (713) 722-9664

Location 8802 Enterprise Blvd Ste 808Rockport, TX 78382-4346 · Phone (361) 696-6000 · Fax (361) 992-4120

Location 911920 Astoria Blvd Ste 150Houston, TX 77089-6097 · Phone (281) 481-6688 · Fax (281) 481-0870

Location 1023960 Katy Fwy Ste 325Katy, TX 77494-0886 · Phone (281) 578-0201 · Fax (281) 578-0217

Location 111920 Country Place Pkwy Ste 370Pearland, TX 77584-1962 · Phone (832) 333-1400 · Fax (832) 333-1499

Location 12925 Gessner Rd Ste 650Houston, TX 77024-2789 · Phone (713) 827-9525 · Fax (713) 468-3561

Location 13925 Gessner Rd, Suite 600Houston, TX 77024-2545 · Phone (713) 827-9525 · Fax (713) 468-3561

Location 1413215 Dotson Rd Ste 340Houston, TX 77070-4535 · Phone (281) 477-8600 · Fax (281) 477-8577

Location 159150 Main St Ste A3Houston, TX 77025-3848 · Phone (713) 630-8181 · Fax (713) 838-9708

Location 167789 Southwest Fwy Ste 460Houston, TX 77074-1841 · Phone (713) 778-0300 · Fax (713) 778-0303

Location 172130 W Holcombe Blvd Fl 10Houston, TX 77030-3306 · Phone (713) 600-0900 · Fax (713) 600-0070

Location 1817520 W Grand Pkwy S Ste 460Sugar Land, TX 77479-4983 · Phone (281) 491-5511 · Fax (281) 491-5513

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Julio Antonio Peguero 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 ID4981844941

PECOS Enrollment IDI20130716000231

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.

Areas of Expertise CMS Part B claims 12

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,100 services11 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

355 services152 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.

248 services116 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

104 services78 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.

41 services21 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

40 services14 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

30 services25 patients

Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries A9552

Fluorodeoxyglucose F-18 FDG is a radioactive drug used in PET scans. It helps doctors see how your tissues and organs are functioning. The drug is given in a specific dose, up to 45 millicuries, depending on your body size and the type of scan.

29 services24 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

28 services11 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.

24 services24 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

17 services17 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450068

Location6411 FanninHouston, TX 77030 · Harris County

Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450610

Location921 GessnerHouston, TX 77024 · Harris County

Emergency services Birthing friendly

Memorial Hermann Northeast Hospital

Acute Care Hospitals · Humble, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450684

Location18951 Memorial NorthHumble, TX 77338 · Harris County

Emergency services Birthing friendly

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450844

Location18220 State Highway 249Houston, TX 77070 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78412 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

$166.88 typical visit price

range $54.84 – $166.88

Typical copayment $41.72 (range $13.71 – $41.72)

Most-billed visit code 99205

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

77.7/100

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

Scored as part of a group practice

Quality

70.59

Promoting Interoperability

Improvement Activities

Cost

53.55

Referred Medical Equipment & Supplies CMS DME claims 2

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

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

1 supplier12 claims12 services$17.92 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

1 supplier12 claims12 services$5.63 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

AMERICAN ONCOLOGY PARTNERS, P.A.

Internal Medicine (Hematology & Oncology)

7121 S. PADRE ISLAND DR, STE 102-101,119
CORPUS CHRISTI, TX 78412

Nueces County (361) 696-6000

TSE-KUAN YU M.D. PHD

Radiology (Radiation Oncology)

7121 S. PADRE ISLAND DR, SUITE 102-101,119
CORPUS CHRISTI, TX 78412

Nueces County (361) 696-6000

ASAD HAIDER M.D.

Student in an Organized Health Care Education/Training Program

7121 S. PADRE ISLAND DR, SUITE 102-101,119
CORPUS CHRISTI, TX 78412

Nueces County (361) 696-6000

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 Julio Peguero's NPI number?

The NPI number for Julio Peguero is 1659569507. It was assigned to this individual provider in the NPPES registry on October 4, 2007.

Where is Julio Peguero located?

Julio Peguero practices at 7121 S. Padre Island Dr Suite 102-101,119, Corpus Christi, TX 78412. The listed phone number is (361) 696-6000.

What is Julio Peguero's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Julio Peguero enrolled in Medicare?

Yes. Julio Peguero 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.

What insurance does Julio Peguero accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Julio Peguero 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 Julio Peguero affiliated with any hospitals?

According to CMS data, Julio Peguero is affiliated with Memorial Hermann - Texas Medical Center, Memorial Hermann Hospital System, Memorial Hermann Memorial City Hospital, Memorial Hermann Northeast Hospital and Houston Methodist Willowbrook Hospital.

When was this NPI record last updated?

The NPPES record for Julio Peguero was last updated on March 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.