DR. YEN DUNG THI NGUYEN M.D.
NPI 1154404648
Family Medicine in Oklahoma City, OK

Q: What is Yen Dung Nguyen's NPI number?

The NPI number for Yen Dung Nguyen is 1154404648. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Q: What is Yen Dung Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Yen Dung Nguyen was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 October 20, 2006PECOS EnrolledAccepts Medicare Assignment

100 W MAIN ST, SUITE 200, OKLAHOMA CITY, OK 73102(405) 815-5060(405) 815-5065 Get Directions Write a Review

NPPES record last updated: October 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 20, 2020, Mar 14, 2016 (2 updates tracked since 2016).

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About Dr. Yen Dung Thi Nguyen M.d. NPPES

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

DR. YEN DUNG THI NGUYEN M.D. (NPI 1154404648) is an individual family medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (22732) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and is a graduate of University Of Oklahoma College Of Medicine (2000).

NPPES Registry Identity

NPI1154404648

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. YEN DUNG THI NGUYENCredential: M.D.

Location Address100 W MAIN ST, SUITE 200Oklahoma City, OK 73102-9024

Mailing AddressPo Box 268986Oklahoma City, OK 73126-8986 · (405) 231-3857 · Fax (405) 272-7977

Phone(405) 815-5060

Fax(405) 815-5065

Sole ProprietorNo

Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2000

Enumeration DateOctober 20, 2006

Last NPPES UpdateOctober 20, 20202 updates tracked since enumeration

NPPES CertifiedOctober 20, 2020

✔ NPI 1154404648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in OK · 22732

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

100 W MAIN ST, Oklahoma City, OK 73102

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan 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

Dr. Yen Dung Thi Nguyen 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 ID5395644108

PECOS Enrollment IDI20031231000191

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 Reassignment

Medicare enrollment records show Yen Dung Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Saints Medical Group, LLC

4.8 mi

Family Medicine

777 NW 63RD ST STE 452
Oklahoma City, OK 73116

Reassigned Medicare billing, Oklahoma enrollment
507 clinicians in this Medicare group

NPI 1437195922 (405) 231-3857

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 10

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.

237 services122 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

155 services103 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.

98 services79 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

81 services81 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

40 services28 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

39 services34 patients

Hospital Affiliations CMS Care Compare 4

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

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370028

Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County

Emergency services Birthing friendly

Ssm Health St Anthony Hospital - Oklahoma City

Acute Care Hospitals · Oklahoma City, OK

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number370037

Location1000 North Lee AvenueOklahoma City, OK 73101 · Oklahoma County

Emergency services Birthing friendly

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370093

Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma County

Emergency services Birthing friendly

Ssm Health St Anthony Hospital - Midwest

Acute Care Hospitals · Midwest City, OK

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370094

Location2825 Parklawn DriveMidwest City, OK 73110 · Oklahoma County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73102 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

$82.46 typical visit price

range $53.00 – $162.61

Typical copayment $20.61 (range $13.25 – $40.65)

Most-billed visit code 99203

Established Patient

$94.27 typical visit price

range $16.68 – $132.40

Typical copayment $23.56 (range $4.17 – $33.10)

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier19 claims19 services$28.95 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

KERSEY L WINFREE MD

Internal Medicine

100 W MAIN ST, SUITE 200
OKLAHOMA CITY, OK 73102

Oklahoma County (405) 815-5060

JEFFREY G HIRSCH MD

Family Medicine

100 W MAIN ST, SUITE 200
OKLAHOMA CITY, OK 73102

Oklahoma County (405) 815-5060

SAINTS MEDICAL GROUP, LLC

Family Medicine

100 W MAIN ST, SUITE 200
OKLAHOMA CITY, OK 73102

Oklahoma County (405) 815-5060

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 Yen Dung Nguyen's NPI number?

The NPI number for Yen Dung Nguyen is 1154404648. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is Yen Dung Nguyen located?

Yen Dung Nguyen practices at 100 W Main St Suite 200, Oklahoma City, OK 73102. The listed phone number is (405) 815-5060.

What is Yen Dung Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Yen Dung Nguyen enrolled in Medicare?

Yes. Yen Dung 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 organization bills Medicare for Yen Dung Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yen Dung Nguyen reassigns Medicare benefits to Saints Medical Group, LLC (Oklahoma City, OK). The 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 Yen Dung Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yen Dung Nguyen accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Yen Dung Nguyen 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 Yen Dung Nguyen affiliated with any hospitals?

According to CMS data, Yen Dung Nguyen is affiliated with Integris Baptist Medical Center, Inc, Ssm Health St Anthony Hospital - Oklahoma City, O U Medical Center and Ssm Health St Anthony Hospital - Midwest.

When was this NPI record last updated?

The NPPES record for Yen Dung Nguyen was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.