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DR. DUNG DUC NGUYEN D.O.
NPI 1154547776
Internal Medicine in Orlando, FL

Active since April 18, 2007PECOS EnrolledAccepts Medicare Assignment
90.67/100
CMS Quality Rating
8435 AMBER OAK DR, ORLANDO, FL 32817(323) 712-6107 Get Directions Write a Review

NPPES record last updated: February 27, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Dung Duc Nguyen D.o. NPPES

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

DR. DUNG DUC NGUYEN D.O. (NPI 1154547776) is an individual internal medicine provider in Orlando, Florida, licensed in Florida (OS13607) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Orlando Health, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2005).

NPPES Registry Identity

NPI1154547776
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DUNG DUC NGUYENCredential: D.O.
Location Address8435 AMBER OAK DROrlando, FL 32817-1266
Mailing Address8435 Amber Oak DrOrlando, FL 32817-1266 · (323) 712-6107
Phone(323) 712-6107
Sole ProprietorYes
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2005
Enumeration DateApril 18, 2007
Last NPPES UpdateFebruary 27, 2018
✔ NPI 1154547776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · OS13607
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8435 AMBER OAK DR, Orlando, FL 32817
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Superior HealthPlan, Ambetter Health, Ambetter of Alabama 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. Dung Duc Nguyen D.o. 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 ID4486862919
PECOS Enrollment IDI20180515000494
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 Dung Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Steve Nguyen MD PA
14 mi
Orthopaedic Trauma
5979 VINELAND RD STE 101
Orlando, FL 32819
  • Reassigned Medicare billing, Florida enrollment
  • 7 clinicians in this Medicare group
NPI 1346435575 (407) 355-3120
Opticare Medicine, PLLC
17 mi
Internal Medicine
9400 TURKEY LAKE RD
Orlando, FL 32819
  • Reassigned Medicare billing, Florida enrollment
NPI 1982101572 (352) 409-3680

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 8

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.
867 services564 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.
743 services340 patients
Transitional care management services for problem of at least moderate complexity 99495
Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.
575 services529 patients
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.
413 services388 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.
289 services289 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.
199 services169 patients

Hospital Affiliations CMS Care Compare 3

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

Orlando Health

Acute Care Hospitals · Orlando, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100006
Location52 W Underwood StOrlando, FL 32806 · Orange County
Emergency services Birthing friendly

Adventhealth Orlando

Acute Care Hospitals · Orlando, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100007
Location601 E Rollins StOrlando, FL 32803 · Orange County
Emergency services Birthing friendly

Orlando Health-Health Central Hospital

Acute Care Hospitals · Ocoee, FL
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number100030
Location10000 W Colonial DrOcoee, FL 34761 · Orange County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32817 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

90.67/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality85.77
Promoting Interoperability95
Improvement Activities40

Reported Quality Measures

Advance Care Plan
100%97 patients5/55-star benchmark: 100%
Breast Cancer Screening
100%62 patients5/55-star benchmark: 100%
Controlling High Blood Pressure
40%20 patients2/55-star benchmark: 98%
Documentation of Current Medications in the Medical Record
100%405 patients5/55-star benchmark: 100%
e-Prescribing
98%63 patients4/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
95%164 patients4/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 97 patients
Patients totalRate: 0% · 97 patients
0%97 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
1 supplier27 claims27 services$44.09 avg. paid by Medicare
Commode chair, mobile or stationary, with fixed arms E0163
DME-Other DME · category DE000N
1 supplier24 claims24 services$49.99 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Dung Nguyen's NPI number?

The NPI number for Dung Nguyen is 1154547776. It was assigned to this individual provider in the NPPES registry on April 18, 2007.

Where is Dung Nguyen located?

Dung Nguyen practices at 8435 Amber Oak Dr, Orlando, FL 32817. The listed phone number is (323) 712-6107.

What is Dung Nguyen's specialty?

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

Is Dung Nguyen enrolled in Medicare?

Yes. 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 organizations bill Medicare for Dung Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dung Nguyen reassigns Medicare benefits to 2 organizations: Steve Nguyen MD PA (Orlando, FL) and Opticare Medicine, PLLC (Orlando, FL). 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 Dung Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dung Nguyen accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, Cigna HealthCare of Florida, Inc. and Cigna Healthcare and 2 other insurers list 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 Dung Nguyen affiliated with any hospitals?

According to CMS data, Dung Nguyen is affiliated with Orlando Health, Adventhealth Orlando and Orlando Health-Health Central Hospital.

When was this NPI record last updated?

The NPPES record for Dung Nguyen was last updated on February 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.