DR. DIEM-QUYNH PHUONG NGUYEN MD
NPI 1689171019
Family Medicine in Fort Smith, AR

Active since April 11, 2018PECOS EnrolledAccepts Medicare Assignment
4620 TOWSON AVE, FORT SMITH, AR 72901(479) 573-3082(479) 573-3100 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 7, 2025, Jan 4, 2022, Oct 4, 2021 and 2 more (5 updates tracked since 2018).

About Dr. Diem-quynh Phuong Nguyen Md NPPES

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

DR. DIEM-QUYNH PHUONG NGUYEN MD (NPI 1689171019) is an individual family medicine provider in Fort Smith, Arkansas, licensed in Arkansas (E-14544) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1689171019
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DIEM-QUYNH PHUONG NGUYENCredential: MD
Location Address4620 TOWSON AVEFort Smith, AR 72901-7961
Mailing AddressPo Box 776084Chicago, IL 60677-6084 · (479) 573-3082 · Fax (479) 573-3100
Fax(479) 573-3100
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 11, 2018
Last NPPES UpdateAugust 7, 20255 updates tracked since enumeration
NPPES CertifiedAugust 7, 2025
NPI 1689171019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in AR · E-14544
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.
4620 TOWSON AVE, Fort Smith, AR 72901

Other Names 1

Other Name (5)Dr. Diem Quynh Phuong Nguyen Md

Accepted 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. Diem-quynh Phuong 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 ID9234535014
PECOS Enrollment IDI20210901003916
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 15

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.

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.
93 services41 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
60 services31 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.
58 services50 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.
47 services42 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
42 services41 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.
40 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72901 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
$79.72 typical visit price
range $51.36 – $157.74
Typical copayment $19.93 (range $12.84 – $39.43)
Most-billed visit code 99203
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
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

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

Family Medicine
4620 TOWSON AVE
FORT SMITH, AR 72901

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 Diem-quynh Nguyen's NPI number?

The NPI number for Diem-quynh Nguyen is 1689171019. It was assigned to this individual provider in the NPPES registry on April 11, 2018. The provider is also known as Dr. Diem Quynh Phuong Nguyen MD.

Where is Diem-quynh Nguyen located?

Diem-quynh Nguyen practices at 4620 Towson Ave, Fort Smith, AR 72901. The listed phone number is (479) 573-3082.

What is Diem-quynh Nguyen's specialty?

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

Is Diem-quynh Nguyen enrolled in Medicare?

Yes. Diem-quynh 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.

What insurance does Diem-quynh Nguyen accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and Ambetter from Superior HealthPlan and 6 other insurers list Diem-quynh 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.

When was this NPI record last updated?

The NPPES record for Diem-quynh Nguyen was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.