HOANG CHAU THI NGUYEN M.D.
NPI 1295742005
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Madison, WI

NPI Status: Active since August 02, 2006

Contact Information

700 S PARK ST STE A
MADISON, WI
ZIP 53715
Phone: (608) 260-2900
Fax: (608) 260-2951

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  • Individual
  • Female
  • Years of Experience 34
  • Thoracic Surgery (Cardiothoracic Vascula...
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About HOANG NGUYEN

This page provides the complete NPI Profile along with additional information for Hoang Nguyen, a provider established in Madison, Wisconsin with a medical specialization in Thoracic Surgery (cardiothoracic Vascular Surgery) and more than 34 years of experience. She graduated from University Of Oklahoma College Of Medicine in 1992. The healthcare provider is registered in the NPI registry with number 1295742005 assigned on August 2006. The practitioner's primary taxonomy code is 208G00000X with license number 13952-320 (WI). The provider is registered as an individual and her NPI record was last updated December 2025.

NPI
1295742005
Provider Name
HOANG CHAU THI NGUYEN M.D.
Gender
Female
Entity Type
Individual
Location Address
700 S PARK ST STE A MADISON, WI 53715
Location Phone
(608) 260-2900
Location Fax
(608) 260-2951
Mailing Address
PO BOX 24410 EUGENE, OR 97402
Medical School Name
UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduation Year
1992
Is Sole Proprietor?
No
Enumeration Date
08-02-2006
Last Update Date
12-17-2025
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Location Map

Secondary Locations

  • 3311 River Bend Drive
    Springfield, OR 97477
    (541) 222-3531

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Thoracic Surgery (Cardiothoracic Vascular Surgery)

Taxonomy Code
208G00000X
Type
Allopathic & Osteopathic Physicians
License No.
13952-320
License State
WI
Taxonomy Description
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1208600000XAllopathic & Osteopathic Physicians

Surgery

MD26796 (OR)
22086S0129XAllopathic & Osteopathic Physicians

Surgery
Vascular Surgery

MD26796 (OR)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
240138MEDICAID (05)OR 

Medicare Participation & PECOS Enrollment Status

Hoang Nguyen is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Hoang Nguyen is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 4385652700

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20180222002547

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Oxygen and Supplies (DC002N)

    Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)

    2 DME suppliers used 13 Medicare Claims 13 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Coronary artery bypass graft (CABG)

Coronary artery bypass graft (CABG) is a surgery to improve blood flow to your heart. It involves taking a blood vessel from another part of your body and using it to reroute blood around a blocked or narrowed artery in your heart. This can help reduce chest pain and minimize the risk of heart attacks.

This service was performed for 49 patients

Coronary artery bypass using artery graft, 1 graft

A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.

This service was performed 15 times for 15 patients

Harvest of vein using an endoscope

Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.

This service was performed 14 times for 14 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 14 times for 14 patients

New patient office or other outpatient visit, 60-74 minutes

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.

This service was performed 44 times for 44 patients

Pacemaker insertion or repair

Pacemaker insertion or repair is a procedure to help regulate your heartbeat. A small device, called a pacemaker, is implanted under the skin near your heart. This device sends electrical signals to prompt your heart to beat at a normal rate. In a repair procedure, the pacemaker may be adjusted, replaced, or the wires connecting it to your heart may be fixed.

This service was performed for 1-10 patients

Replacement of aortic valve through the skin and femoral artery

This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.

This service was performed 41 times for 41 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $40.81 for a new patient copayment and $16.84 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 53715 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $163.24
  • Minimum New Patient Price $53.9
  • Maximum New Patient Price $163.24
  • Average New Patient Copayment $40.81
  • Minimum New Patient Copayment $13.47
  • Maximum New Patient Copayment $40.81

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $67.37
  • Minimum Established Patient Price $17.4
  • Maximum Established Patient Price $133.76
  • Average Established Patient Copayment $16.84
  • Minimum Established Patient Copayment $4.35
  • Maximum Established Patient Copayment $33.44

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Patient Centered Surgical Risk Assessment and Communication for Cardiac Surgery 98% 56
Percentage of patients age 18 and older undergoing a non-emergency risk modeled cardiac surgery procedure that had personalized risk assessment using the STS risk calculator and discussed those risks with the surgeon.
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 100% 69
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

Reviews for HOANG CHAU THI NGUYEN M.D.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1295742005, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 7 → 14 → 5 2 → 4 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 8 + 5 + 1 + 4 + 4 + 4 + 0 + 0 + 24 = 55

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1295742005.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715
Pain Medicine (Pain Medicine)
700 S PARK ST STE A
MADISON, WI 53715
Internal Medicine (Interventional Cardiology)
700 S PARK ST STE A
MADISON, WI 53715
Surgery (Vascular Surgery)
700 S PARK ST STE A
MADISON, WI 53715
Internal Medicine (Interventional Cardiology)
700 S PARK ST STE A
MADISON, WI 53715
Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715
Psychiatry & Neurology (Neurology)
700 S PARK ST STE A
MADISON, WI 53715
Nurse Practitioner
700 S PARK ST STE A
MADISON, WI 53715
Psychiatry & Neurology (Neurology)
700 S PARK ST STE A
MADISON, WI 53715
Internal Medicine (Pulmonary Disease)
700 S PARK ST STE A
MADISON, WI 53715
Neurological Surgery
700 S PARK ST STE A
MADISON, WI 53715
Nurse Practitioner
700 S PARK ST STE A
MADISON, WI 53715
Pediatrics (Pediatric Gastroenterology)
700 S PARK ST STE A
MADISON, WI 53715
Colon & Rectal Surgery
700 S PARK ST STE A
MADISON, WI 53715
Colon & Rectal Surgery
700 S PARK ST STE A
MADISON, WI 53715
Internal Medicine (Pulmonary Disease)
700 S PARK ST STE A
MADISON, WI 53715
Psychiatry & Neurology (Neurology)
700 S PARK ST STE A
MADISON, WI 53715
Internal Medicine (Interventional Cardiology)
700 S PARK ST STE A
MADISON, WI 53715
Internal Medicine (Gastroenterology)
700 S PARK ST STE A
MADISON, WI 53715
Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295742005, enumerated as an "individual" on August 02, 2006.

The provider is located at 700 S PARK ST STE A MADISON, WI 53715 and the phone number is (608) 260-2900.

Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.