Dung Nguyen, D.O.
NPI 1154547776 · Internal Medicine Physician · Orlando, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dung Nguyen, D.O. is a Internal Medicine Physician provider in Orlando, FL (NPI 1154547776).
Provider details
- NPI number
- 1154547776
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,207 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 867 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 743 | $122 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 575 | $208 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 413 | $178 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 289 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 162 | 153 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 150 | 139 |
| Cefadroxil | 121 | 116 |
| Methocarbamol | 112 | 105 |
| Scopolamine | 78 | 74 |
| Gabapentin | 31 | 27 |
| Ketorolac Tromethamine | 31 | 28 |
| Doxycycline Hyclate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-18
- Last updated
- 2018-02-27
Frequently asked questions
- What is Dung Nguyen's NPI number?
- Dung Nguyen's National Provider Identifier (NPI) is 1154547776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dung Nguyen's specialty?
- Dung Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dung Nguyen located?
- Dung Nguyen's practice location on file with NPPES is 8435 Amber Oak Dr, Orlando, FL 32817-1266.
- What is Dung Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Dung Nguyen is (323) 712-6107.
- Does Dung Nguyen accept Medicare?
- Dung Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dung Nguyen's NPI active?
- Yes — Dung Nguyen's NPI (1154547776) is active in the NPPES registry as of the last update on 2018-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.