DR. MICHAEL J. NUNEZ M.D.
NPI 1669413019
Internal Medicine - Gastroenterology in Dallas, TX

Q: What is Michael Nunez's NPI number?

The NPI number for Michael Nunez is 1669413019. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Q: What is Michael Nunez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Michael Nunez was last updated on May 16, 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.

Active since June 09, 2006PECOS EnrolledAccepts Medicare Assignment

79.87/100

CMS Quality Rating

8230 WALNUT HILL LN, SUITE 610, DALLAS, TX 75231(214) 345-7398(214) 345-4264 Get Directions Write a Review

NPPES record last updated: May 16, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Michael J. Nunez M.d. NPPES

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

DR. MICHAEL J. NUNEZ M.D. (NPI 1669413019) is an individual gastroenterology provider in Dallas, Texas, licensed in Texas (J3362) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Texas Health Presbyterian Hospital Dallas, and is a graduate of Duke University School Of Medicine (1991).

NPPES Registry Identity

NPI1669413019

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MICHAEL J. NUNEZCredential: M.D.

Location Address8230 WALNUT HILL LN, SUITE 610Dallas, TX 75231-4482

Mailing AddressPo Box 35629Dallas, TX 75235-0629 · (214) 424-2213 · Fax (214) 231-2159

Phone(214) 345-7398

Fax(214) 345-4264

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 1991

Enumeration DateJune 9, 2006

Last NPPES UpdateMay 16, 2013

✔ NPI 1669413019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · J3362

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

8230 WALNUT HILL LN, Dallas, TX 75231

Open in Google Maps ↗

Other Identifiers 7

Medicare PIN8J1147TX

Medicare PINP00365635TX

Medicare UPINF77534TX

Medicare PIN00A85WTX

Medicaid106136803TX

Other00A85WTX · Bcbs Grp

Medicaid081585402TX

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

Dr. Michael J. Nunez 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 ID2365467404

PECOS Enrollment IDI20070205000397

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 13

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.

Injection, vedolizumab, intravenous, 1 mg J3380

Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.

8,400 services11 patients

Injection, infliximab, excludes biosimilar, 10 mg J1745

Infliximab is a medication given via injection to treat certain autoimmune conditions. It works by blocking the action of a substance in your body that causes inflammation. Each dose is based on your medical condition and response to treatment.

1,030 services15 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.

194 services194 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.

186 services173 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.

158 services158 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.

137 services134 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.

93 services88 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.

68 services68 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.

34 services34 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

32 services32 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

32 services20 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

30 services13 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.

14 services14 patients

Hospital Affiliations CMS Care Compare

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

Texas Health Presbyterian Hospital Dallas

Acute Care Hospitals · Dallas, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450462

Location8200 Walnut Hill LaneDallas, TX 75231 · Dallas County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75231 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

$131.01 typical visit price

range $57.18 – $172.86

Typical copayment $32.75 (range $14.29 – $43.21)

Most-billed visit code 99204

Established Patient

$100.80 typical visit price

range $18.48 – $141.20

Typical copayment $25.20 (range $4.62 – $35.30)

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.

79.87/100

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

Scored as part of a group practice

Quality

68.55

Promoting Interoperability

100

Improvement Activities

Cost

64.36

Other Providers at the Same Location NPPES 20

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

AMARDEEP K GILL NP

Registered Nurse (Pain Management)

8230 WALNUT HILL LN, STE 320
DALLAS, TX 75231

Dallas County (214) 265-9991

PETER D HINO M.D.

Dermatology

8230 WALNUT HILL LN, SUITE 500
DALLAS, TX 75231

Dallas County (214) 739-5821

SCOTT ZASHIN MD

Specialist

8230 WALNUT HILL LN, SUITE 818
DALLAS, TX 75231

Dallas County (214) 363-2812

SOUTHWEST INFUSION, LLC

Internal Medicine (Rheumatology)

8230 WALNUT HILL LN, SUITE 614
DALLAS, TX 75231

Dallas County (469) 916-0677

NEUROLOGIC MONITORING LLP

Specialist/Technologist, Other (Electroneurodiagnostic)

8230 WALNUT HILL LN, SUITE 220
DALLAS, TX 75231

Dallas County (214) 445-6938

DR. HOMA JACKSON PORTER II M.D.

Urology

8230 WALNUT HILL LN, SUITE 700
DALLAS, TX 75231

Dallas County (214) 691-1902

JOHN WESLEY NORMAN PA-C

Physician Assistant

8230 WALNUT HILL LN
DALLAS, TX 75231

Dallas County (214) 645-2300

AZADEH NAMIRANIAN PA-C

Physician Assistant (Medical)

8230 WALNUT HILL LN, SUITE 610
DALLAS, TX 75231

Dallas County (214) 345-7398

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 Michael Nunez's NPI number?

The NPI number for Michael Nunez is 1669413019. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is Michael Nunez located?

Michael Nunez practices at 8230 Walnut Hill Ln Suite 610, Dallas, TX 75231. The listed phone number is (214) 345-7398.

What is Michael Nunez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Nunez enrolled in Medicare?

Yes. Michael Nunez 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 Michael Nunez 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 Michael Nunez 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 Michael Nunez affiliated with any hospitals?

According to CMS data, Michael Nunez is affiliated with Texas Health Presbyterian Hospital Dallas.

When was this NPI record last updated?

The NPPES record for Michael Nunez was last updated on May 16, 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.