Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TUAN CAO NGUYEN MD
NPI 1043464183
Surgery in Marietta, OH

Q: What is Tuan Nguyen's NPI number?

The NPI number for Tuan Nguyen is 1043464183. It was assigned to this individual provider in the NPPES registry on November 14, 2008.

Q: What is Tuan Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tuan Nguyen was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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 November 14, 2008PECOS Enrolled

88.45/100

CMS Quality Rating

400 MATTHEW ST STE 401, MARIETTA, OH 45750(740) 374-2252(740) 374-4974 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 3, 2021, Oct 13, 2020, Jun 3, 2020 and 1 more (4 updates tracked since 2016).

On this page

About Tuan Cao Nguyen Md NPPES

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

TUAN CAO NGUYEN MD (NPI 1043464183) is an individual surgery provider in Marietta, Ohio, licensed in Ohio (35.121795) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS, is affiliated with Marietta Memorial Hospital, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2002).

NPPES Registry Identity

NPI1043464183

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameTUAN CAO NGUYENCredential: MD

Location Address400 MATTHEW ST STE 401Marietta, OH 45750-1656

Mailing Address416 Colegate Dr Bldg 3Marietta, OH 45750-9549 · (740) 568-4814 · Fax (740) 374-3165

Phone(740) 374-2252

Fax(740) 374-4974

Sole ProprietorYes

Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2002

Enumeration DateNovember 14, 2008

Last NPPES UpdateOctober 21, 20264 updates tracked since enumeration

NPPES CertifiedOctober 21, 2026

✔ NPI 1043464183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in OH · 35.121795✔ Licensed in WV · 23338

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.

400 MATTHEW ST STE 401, Marietta, OH 45750

Open in Google Maps ↗

Other Identifiers 2

Medicaid3810013777WV

Medicaid2911675OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource 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

Tuan Cao Nguyen 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 ID3971660143

PECOS Enrollment IDI20130814000231

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 Reassignments

Medicare enrollment records show Tuan Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marietta Memorial Hospital

Same address

General Acute Care Hospital

401 MATTHEW ST
Marietta, OH 45750

Reassigned Medicare billing, Ohio enrollment
411 clinicians in this Medicare group

NPI 1215936927 (740) 374-1413

Selby General Hospital

1.3 mi

Critical Access

1106 COLEGATE DR
Marietta, OH 45750

Reassigned Medicare billing, Ohio enrollment
247 clinicians in this Medicare group

NPI 1124073465 (740) 568-2040

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 16

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

67 services66 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.

56 services56 patients

Biopsy of large bowel using a flexible endoscope 45380

50 services50 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

39 services34 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.

32 services32 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

25 services20 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.

24 services21 patients

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.

22 services22 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.

20 services20 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.

20 services20 patients

Removal of gallbladder using an endoscope 47562

This procedure, known as endoscopic gallbladder removal, involves a surgeon using a special tool called an endoscope to remove your gallbladder through small incisions. It's typically done to treat gallstones and related complications. It's a less invasive method, often leading to quicker recovery.

18 services18 patients

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

17 services17 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

17 services17 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

14 services14 patients

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

13 services13 patients

Repair of groin hernia using an endoscope 49650

This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Marietta Memorial Hospital

Acute Care Hospitals · Marietta, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number360147

Location401 Matthew StreetMarietta, OH 45750 · Washington County

Emergency services Birthing friendly

Selby General Hospital

Critical Access Hospitals · Marietta, OH

OwnershipVoluntary non-profit - Private

CMS Certification Number361319

Location1106 Colegate DriveMarietta, OH 45750 · Washington County

Emergency services

Sistersville General Hospital

Critical Access Hospitals · Sistersville, WV

OwnershipVoluntary non-profit - Private

CMS Certification Number511304

Location314 South Wells StreetSistersville, WV 26175 · Tyler County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45750 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

$84.72 typical visit price

range $54.34 – $166.65

Typical copayment $21.18 (range $13.58 – $41.66)

Most-billed visit code 99203

Established Patient

$68.07 typical visit price

range $17.10 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

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.

88.45/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

84.94

Improvement Activities

Cost

75.02

Reported Quality Measures

Breast Cancer Screening

66%118 patients3/55-star benchmark: 93%

Cervical Cancer Screening

34%136 patients2/55-star benchmark: 98%

Colorectal Cancer Screening

69%330 patients4/55-star benchmark: 88%

Controlling High Blood Pressure

66%154 patients3/55-star benchmark: 91%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

23%95 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

99%605 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

91%513 patients4/55-star benchmark: 98%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 100% · 69 patients

94%69 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 10

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

LANE M LEE DO

Surgery (Vascular Surgery)