MARY SUZANNE NGUYEN M.D.
NPI 1356339717
Family Medicine in Castroville, TX

Active since October 10, 2005PECOS EnrolledAccepts Medicare Assignment
409 MADRID ST, CASTROVILLE, TX 78009(830) 538-2254(830) 931-2259 Get Directions Write a Review

NPPES record last updated: May 21, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mary Suzanne Nguyen M.d. NPPES

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

MARY SUZANNE NGUYEN M.D. (NPI 1356339717) is an individual family medicine provider in Castroville, Texas, licensed in Texas (K5365) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Medina Regional Hospital, and is a graduate of University Of Texas Medical School At Houston (1997).

NPPES Registry Identity

NPI1356339717
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARY SUZANNE NGUYENCredential: M.D.
Location Address409 MADRID STCastroville, TX 78009-4527
Mailing Address409 Madrid St, Po Box 960Castroville, TX 78009-4527 · (830) 538-2254 · Fax (830) 931-2259
Fax(830) 931-2259
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1997
Enumeration DateOctober 10, 2005
Last NPPES UpdateMay 21, 2013
NPI 1356339717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in TX · K5365
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
409 MADRID ST, Castroville, TX 78009

Other Identifiers 3

Medicare PIN8140MITX
Other0100RETX · Bcbs
Medicare UPING50560TX

Accepted 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

Mary Suzanne Nguyen 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 ID1557485679
PECOS Enrollment IDI20100826000415
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 14

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.
231 services119 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.
144 services104 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
133 services37 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
84 services84 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
83 services83 patients
Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes G0446
This is a yearly, personal consultation focused on behaviors affecting heart health. It lasts 15 minutes and may cover topics like diet, exercise, and stress management. It's about learning healthy habits to protect your heart.
81 services81 patients

Hospital Affiliations CMS Care Compare

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

Medina Regional Hospital

Critical Access Hospitals · Hondo, TX
OwnershipGovernment - Hospital District or Authority
CMS Certification Number451330
Location3100 Avenue EHondo, TX 78861 · Medina County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78009 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
$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.

Reported Quality Measures

Adult Sinusitis: Computerized Tomography (CT) for Acute Sinusitis (Overuse)
Percentage of patients aged 18 years and older with a diagnosis of acute sinusitis who had a computerized tomography (CT) scan of the paranasal sinuses ordered at the time of diagnosis or received within 28 days after date of diagnosis
Lower rates are better for this measure.
0%40 patients
Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
69%304 patients4/55-star benchmark: 92%
Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
94%282 patients4/55-star benchmark: 100%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
75%495 patients4/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
75%149 patients4/55-star benchmark: 100%
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.
99%3,309 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.
97%4,214 patients4/55-star benchmark: 99%
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…
28%504 patients2/55-star benchmark: 88%
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.
98%308 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.
98%1,351 patients5/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
39%821 patients2/55-star benchmark: 88%
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…
76%1,351 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…
5%1,351 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
14%1,351 patients
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.

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.

Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers12 claims55 services$1.43 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
1 supplier11 claims11 services$16.58 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 5

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

Family Medicine
409 MADRID ST
CASTROVILLE, TX 78009
Internal Medicine (Nephrology)
409 MADRID ST
CASTROVILLE, TX 78009
Durable Medical Equipment & Medical Supplies
409 MADRID ST, CENTRAL OFFICE
CASTROVILLE, TX 78009
Nurse Practitioner (Family)
409 MADRID ST
CASTROVILLE, TX 78009
Clinic/Center (Primary Care)
409 MADRID ST
CASTROVILLE, TX 78009

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 Mary Nguyen's NPI number?

The NPI number for Mary Nguyen is 1356339717. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Where is Mary Nguyen located?

Mary Nguyen practices at 409 Madrid St, Castroville, TX 78009. The listed phone number is (830) 538-2254.

What is Mary Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mary Nguyen enrolled in Medicare?

Yes. Mary Nguyen 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 Mary Nguyen accept?

Health plans from Blue Cross and Blue Shield of Texas list Mary Nguyen 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 Mary Nguyen affiliated with any hospitals?

According to CMS data, Mary Nguyen is affiliated with Medina Regional Hospital.

When was this NPI record last updated?

The NPPES record for Mary Nguyen was last updated on May 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.