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GUILLERMO D. MARQUEZ M.D.
NPI 1861454563
Surgery in Mission, TX

Active since April 06, 2006PECOS EnrolledAccepts Medicare Assignment
910 S BRYAN RD, STE 202, MISSION, TX 78572(956) 682-6126(956) 580-0464 Get Directions Write a Review

NPPES record last updated: March 5, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 5, 2019, Apr 20, 2017 (2 updates tracked since 2017).

About Guillermo D. Marquez M.d. NPPES

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

GUILLERMO D. MARQUEZ M.D. (NPI 1861454563) is an individual surgery provider in Mission, Texas, licensed in Texas (K1544) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Mission Regional Medical Center, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1861454563
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameGUILLERMO D. MARQUEZCredential: M.D.
Location Address910 S BRYAN RD, STE 202Mission, TX 78572-6659
Mailing Address910 S Bryan Rd, Ste 202Mission, TX 78572-6659 · (956) 682-6126 · Fax (956) 580-0464
Phone(956) 682-6126
Fax(956) 580-0464
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateApril 6, 2006
Last NPPES UpdateMarch 5, 20192 updates tracked since enumeration
✔ NPI 1861454563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in TX · K1544
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
910 S BRYAN RD, Mission, TX 78572
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Other Identifiers 1

Medicaid030586401TX

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

Guillermo D. Marquez 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 ID1850425570
PECOS Enrollment IDI20100817001184
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 3

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 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.
34 services28 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
21 services21 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.
20 services18 patients

Hospital Affiliations CMS Care Compare 2

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

Mission Regional Medical Center

Acute Care Hospitals · Mission, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450176
Location900 South Bryan RoadMission, TX 78572 · Hidalgo County
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 78572 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
42%294 patients2/55-star benchmark: 96%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
98%762 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
100%22 patients5/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
13%838 patients1/55-star benchmark: 98%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%2,076 patients4/55-star benchmark: 100%
Patient-Centered Surgical Risk Assessment and Communication
Percentage of patients who underwent a non-emergency surgery who had their personalized risks of postoperative complications assessed by their surgical team prior to surgery using a clinical data-based, patient-specific risk calculator and who received…
99%353 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
99%1,194 patients4/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
79%1,194 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
52%1,194 patients3/55-star benchmark: 79%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 4

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

DAVID P HERNANDEZ MD
Obstetrics & Gynecology
910 S BRYAN RD
MISSION, TX 78572
Hidalgo County (956) 581-2500
RAJA N SALAMEH M D P A
Urology
910 S BRYAN RD, SUITE 202
MISSION, TX 78572
Hidalgo County (956) 584-2244
GRETCHEN M VELASCO M.D.
Obstetrics & Gynecology
910 S BRYAN RD, SUITE 204
MISSION, TX 78572
Hidalgo County (956) 581-3900
DR. CHARITY VIRGINIA ABREU-LAWRENCE M.D.
Internal Medicine
910 S BRYAN RD, STE 105
MISSION, TX 78572
Hidalgo County (956) 581-0539

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 Guillermo Marquez's NPI number?

The NPI number for Guillermo Marquez is 1861454563. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Where is Guillermo Marquez located?

Guillermo Marquez practices at 910 S Bryan Rd Ste 202, Mission, TX 78572. The listed phone number is (956) 682-6126.

What is Guillermo Marquez's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Guillermo Marquez enrolled in Medicare?

Yes. Guillermo Marquez 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 Guillermo Marquez accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Guillermo Marquez 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 Guillermo Marquez affiliated with any hospitals?

According to CMS data, Guillermo Marquez is affiliated with Mission Regional Medical Center and Doctors Hosptal At Renaissance.

When was this NPI record last updated?

The NPPES record for Guillermo Marquez was last updated on March 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.