OWEN S MAAT MD
NPI 1295780609
Internal Medicine - Gastroenterology in Harlingen, TX

Q: What is Owen Maat's NPI number?

The NPI number for Owen Maat is 1295780609. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Q: What is Owen Maat's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Owen Maat was last updated on November 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since May 23, 2006PECOS EnrolledAccepts Medicare Assignment

512 VICTORIA LN STE 2, HARLINGEN, TX 78550(956) 365-4400(956) 365-4111 Get Directions Write a Review

NPPES record last updated: November 14, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Owen S Maat Md NPPES

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

OWEN S MAAT MD (NPI 1295780609) is an individual gastroenterology provider in Harlingen, Texas, licensed in Texas (J5609) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Lake Granbury Medical Center, and is a graduate of University Of Texas Medical Branch At Galveston (1992).

NPPES Registry Identity

NPI1295780609

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameOWEN S MAATCredential: MD

Location Address512 VICTORIA LN STE 2Harlingen, TX 78550-3227

Mailing Address512 Victoria Ln Ste 2Harlingen, TX 78550-3227 · (956) 365-4400 · Fax (956) 365-4111

Phone(956) 365-4400

Fax(956) 365-4111

Sole ProprietorYes

Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1992

Enumeration DateMay 23, 2006

Last NPPES UpdateNovember 14, 2023

NPPES CertifiedNovember 14, 2023

✔ NPI 1295780609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · J5609

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

512 VICTORIA LN STE 2, Harlingen, TX 78550

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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

Owen S Maat Md 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 ID5193784171

PECOS Enrollment IDI20041006000031

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 11

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.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

117 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.

99 services98 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.

75 services75 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

65 services65 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.

65 services61 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

56 services56 patients

Hospital Affiliations CMS Care Compare 4

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

Lake Granbury Medical Center

Acute Care Hospitals · Granbury, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450596

Location1310 Paluxy RdGranbury, TX 76048 · Hood County

Emergency services Birthing friendly

Valley Regional Medical Center

Acute Care Hospitals · Brownsville, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450662

Location100 A Alton GloorBrownsville, TX 78526 · Cameron County

Emergency services Birthing friendly

Harlingen Medical Center

Acute Care Hospitals · Harlingen, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450855

Location5501 South Expressway 77Harlingen, TX 78550 · Cameron County

Emergency services Birthing friendly

Doctors Hosptal At Renaissance

Acute Care Hospitals · Edinburg, TX

3/5 CMS rating

OwnershipPhysician

CMS Certification Number450869

Location5501 South MccollEdinburg, TX 78539 · Hidalgo County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78550 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

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.

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.

MS. NADIA YVETTE LOZANO APRN, FNP-C

Nurse Practitioner (Family)