ANH D NGUYEN
NPI 1265759823
Internal Medicine - Gastroenterology in Dallas, TX

Q: What is Anh Nguyen's NPI number?

The NPI number for Anh Nguyen is 1265759823. It was assigned to this individual provider in the NPPES registry on April 22, 2010.

Q: What is Anh Nguyen'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 Anh Nguyen was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since April 22, 2010PECOS EnrolledAccepts Medicare Assignment

3434 SWISS AVE STE 200, DALLAS, TX 75204(469) 800-7050(694) 800-7060 Get Directions Write a Review

NPPES record last updated: October 29, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 1, 2023, Mar 2, 2020 (2 updates tracked since 2020).

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About Anh D Nguyen NPPES

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

ANH D NGUYEN (NPI 1265759823) is an individual gastroenterology provider in Dallas, Texas, licensed in Texas (P4792) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of University Of Texas Medical School At San Antonio (2010).

NPPES Registry Identity

NPI1265759823

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameANH D NGUYEN

Location Address3434 SWISS AVE STE 200Dallas, TX 75204-6251

Mailing Address3434 Swiss Ave Ste 200Dallas, TX 75204-6251 · (469) 800-7050 · Fax (694) 800-7060

Phone(469) 800-7050

Fax(694) 800-7060

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2010

Enumeration DateApril 22, 2010

Last NPPES UpdateOctober 29, 20252 updates tracked since enumeration

NPPES CertifiedOctober 29, 2025

✔ NPI 1265759823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · P4792

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License P4792 (TX)

3434 SWISS AVE STE 200, Dallas, TX 75204

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Other Identifiers 1

Medicaid3274672-01TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas.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

Anh D Nguyen 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 ID8426282484

PECOS Enrollment IDI20131004000254

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 11

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.

129 services92 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

91 services69 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.

89 services84 patients

Study of esophageal sensation by balloon distension 91040

This procedure involves inflating a small balloon in the esophagus, the tube connecting your mouth to your stomach. It helps doctors understand how your esophagus responds to pressure changes, aiding in the diagnosis of certain digestive disorders.

61 services61 patients

Study of esophagus to assess movement 91010

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

49 services48 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.

43 services31 patients

Hospital Affiliations CMS Care Compare 4

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

Baylor University Medical Center

Acute Care Hospitals · Dallas, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450021

Location3500 Gaston AveDallas, TX 75246 · Dallas County

Emergency services Birthing friendly

Baylor Scott & White Medical Center- Waxahachie

Acute Care Hospitals · Waxahachie, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450372

Location2400 N Interstate Highway 35EWaxahachie, TX 75165 · Ellis County

Emergency services Birthing friendly

Baylor Scott & White Heart & Vascular Hospital - Dallas

Acute Care Hospitals · Dallas, TX

5/5 CMS rating

OwnershipProprietary

CMS Certification Number450851

Location621 North Hall StreetDallas, TX 75226 · Dallas County

Emergency services

Baylor Scott & White Medical Center Plano

Acute Care Hospitals · Plano, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number450890

Location4700 Alliance BoulevardPlano, TX 75093 · Collin County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75204 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.

Other Providers at the Same Location NPPES 12

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

DR. STUART JON SPECHLER M.D.

Internal Medicine (Gastroenterology)