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DR. JOHN NGUYEN M.D.
NPI 1831125319
Internal Medicine - Cardiovascular Disease in Cypress, TX

Active since June 24, 2006PECOS EnrolledAccepts Medicare Assignment
80.42/100
CMS Quality Rating
24510 NORTHWEST FWY STE 380, CYPRESS, TX 77429(832) 912-6777(281) 664-2424 Get Directions Write a Review

NPPES record last updated: September 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 16, 2019, Sep 12, 2019 (2 updates tracked since 2019).

About Dr. John Nguyen M.d. NPPES

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

DR. JOHN NGUYEN M.D. (NPI 1831125319) is an individual cardiovascular disease provider in Cypress, Texas, licensed in Texas (M1264) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Kingwood, and is a graduate of Baylor College Of Medicine (2002).

NPPES Registry Identity

NPI1831125319
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. JOHN NGUYENCredential: M.D.
Location Address24510 NORTHWEST FWY STE 380Cypress, TX 77429-2384
Mailing Address24510 Northwest Fwy Ste 380Cypress, TX 77429-2384 · (832) 912-6777 · Fax (281) 664-2424
Phone(832) 912-6777
Fax(281) 664-2424
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 2002
Enumeration DateJune 24, 2006
Last NPPES UpdateSeptember 25, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2025
✔ NPI 1831125319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · M1264
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License M1264 (TX)
24510 NORTHWEST FWY STE 380, Cypress, TX 77429
Open in Google Maps ↗

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John 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 ID8820004963
PECOS Enrollment IDI20060228000270
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 Reassignment

Medicare enrollment records show John Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Houston Interventional Cardiology PA
3.7 mi
Cardiovascular Disease
21212 NORTHWEST FREEWAY SUITE 535
Cypress, TX 77429
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1033251988 (832) 912-6777

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.
753 services374 patients
Injection, regadenoson, 0.1 mg J2785
Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.
612 services155 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
368 services304 patients
Infusion, normal saline solution, 250 cc J7050
An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.
286 services143 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
188 services160 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015
An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.
158 services158 patients

Hospital Affiliations CMS Care Compare

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

Hca Houston Healthcare Kingwood

Acute Care Hospitals · Kingwood, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450775
Location22999 Us Hwy 59Kingwood, TX 77325 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77429 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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.

80.42/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.6
Improvement Activities40
Cost49.94

Reported Quality Measures

Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
82%261 patients4/55-star benchmark: 99%
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%2,901 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.
98%2,060 patients4/55-star benchmark: 99%
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.
88%1,317 patients2/55-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.
62%1,429 patients3/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
26%1,416 patients2/55-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
2%675 patients1/55-star benchmark: 88%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 83% · 915 patients
Patients tobacco: 78% · 915 patients
30%73 patients2/55-star benchmark: 98%
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…
34%1,429 patients2/55-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…
15%1,429 patients1/55-star benchmark: 89%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
Percentage of the following patients - all considered at high risk of cardiovascular events - who were prescribed or were on statin therapy during the measurement period: - Adults aged >= 21 years who were previously diagnosed with or currently have an active…
86%718 patients4/55-star benchmark: 89%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 745 patients
0%745 patients5/55-star benchmark: 100%
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.
13%1,429 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.

Other Providers at the Same Location NPPES 2

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

DR. PETER RAZEGHI M.D.
Internal Medicine (Cardiovascular Disease)
24510 NORTHWEST FWY STE 380
CYPRESS, TX 77429
Harris County (832) 912-6777
DR. CYRIL B TAWA M.D.
Specialist
24510 NORTHWEST FWY STE 380
CYPRESS, TX 77429
Harris County (832) 912-6777

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 John Nguyen's NPI number?

The NPI number for John Nguyen is 1831125319. It was assigned to this individual provider in the NPPES registry on June 24, 2006.

Where is John Nguyen located?

John Nguyen practices at 24510 Northwest Fwy Ste 380, Cypress, TX 77429. The listed phone number is (832) 912-6777.

What is John Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is John Nguyen enrolled in Medicare?

Yes. John 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.

Which organization bills Medicare for John Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Nguyen reassigns Medicare benefits to Houston Interventional Cardiology PA (Cypress, TX). The 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 John Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Nguyen 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 2 other insurers list John 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 John Nguyen affiliated with any hospitals?

According to CMS data, John Nguyen is affiliated with Hca Houston Healthcare Kingwood.

When was this NPI record last updated?

The NPPES record for John Nguyen was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.