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DOMINIC TRAN-NGUYEN DO
NPI 1326530411
Internal Medicine in Des Moines, IA

Active since June 04, 2018PECOS EnrolledAccepts Medicare Assignment
1111 6TH AVE, DES MOINES, IA 50314(515) 643-8678(515) 643-5802 Get Directions Write a Review

NPPES record last updated: June 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dominic Tran-nguyen Do NPPES

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

DOMINIC TRAN-NGUYEN DO (NPI 1326530411) is an individual internal medicine provider in Des Moines, Iowa, licensed in Iowa (R-11261) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (2018).

NPPES Registry Identity

NPI1326530411
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDOMINIC TRAN-NGUYENCredential: DO
Location Address1111 6TH AVEDes Moines, IA 50314-2613
Mailing AddressPo Box 1475Des Moines, IA 50305-1475 · (515) 643-8678 · Fax (515) 643-5802
Phone(515) 643-8678
Fax(515) 643-5802
Sole ProprietorNo
Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 2018
Enumeration DateJune 4, 2018
Last NPPES UpdateJune 27, 2025
✔ NPI 1326530411 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IA · R-11261
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1111 6TH AVE, Des Moines, IA 50314
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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

Dominic Tran-nguyen Do 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 ID8628323706
PECOS Enrollment IDI20210915000560
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

2

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

Inpatient Specialists Of California, PC
1,386 mi
Internal Medicine
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,216 clinicians in this Medicare group
NPI 1952792475 (615) 377-5658
Southern California Permanente Medical Group
1,414 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279

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 2

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 moderate level of medical decision making, if using time, at least 75 minutes 99223
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.
326 services302 patients
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.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50314 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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 20

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

MERCY CLINICS, INC
Psychiatry & Neurology (Neurology)
1111 6TH AVE, EAST TOWER SUITE A100
DES MOINES, IA 50314
Polk County (515) 358-0011
TODD EBERLE DO
Family Medicine
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-8678
JOSEPH JANSKY DO
Family Medicine
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 612-9595
MYLES KAWAMURA DO
Emergency Medicine
1111 6TH AVE, EMERGENCY DEPARTMENT
DES MOINES, IA 50314
Polk County (515) 247-3211
DR. CODY BRUNCLIK DO
Internal Medicine
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-2261
TYLER MUMM DO
Internal Medicine
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-2261
DR. MITCHELL R. ERICKSON M.D.
Radiology (Neuroradiology)
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-2667
DR. THERESA MARIE WAHLIG M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1111 6TH AVE
DES MOINES, IA 50314
Polk County (515) 643-8409

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 Dominic Tran-nguyen's NPI number?

The NPI number for Dominic Tran-nguyen is 1326530411. It was assigned to this individual provider in the NPPES registry on June 4, 2018.

Where is Dominic Tran-nguyen located?

Dominic Tran-nguyen practices at 1111 6th Ave, Des Moines, IA 50314. The listed phone number is (515) 643-8678.

What is Dominic Tran-nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Dominic Tran-nguyen enrolled in Medicare?

Yes. Dominic Tran-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 organizations bill Medicare for Dominic Tran-nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dominic Tran-nguyen reassigns Medicare benefits to 2 organizations: Inpatient Specialists Of California, PC (San Bernardino, CA) and Southern California Permanente Medical Group (Lancaster, CA). Each 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 Dominic Tran-nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Dominic Tran-nguyen was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.