Quan Nguyen, D.O.
NPI 1922069533 · Internal Medicine Physician · Altamonte Springs, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quan Nguyen, D.O. is a Internal Medicine Physician provider in Altamonte Springs, FL (NPI 1922069533).
Provider details
- NPI number
- 1922069533
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS9247 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
795 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 | 255 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 200 | $93 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 94 | $14 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 63 | $136 |
| Urinalysis, Manual Test81002 | 47 | $3 |
| Urine Microalbumin (protein) Level82043 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 135 | 30 |
| Rosuvastatin Calcium | 121 | 37 |
| Pravastatin Sodium | 112 | 35 |
| Amlodipine Besylate | 91 | 30 |
| Valsartan | 88 | 29 |
| Metformin Hcl | 84 | 23 |
| Carvedilol | 81 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2022-11-13
- Certified
- 2022-11-13
Frequently asked questions
- What is Quan Nguyen's NPI number?
- Quan Nguyen's National Provider Identifier (NPI) is 1922069533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quan Nguyen's specialty?
- Quan Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Quan Nguyen located?
- Quan Nguyen's practice location on file with NPPES is 350 Maitland Ave, Altamonte Springs, FL 32701.
- What is Quan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Quan Nguyen is (407) 339-7682.
- Does Quan Nguyen accept Medicare?
- Quan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quan Nguyen's NPI active?
- Yes — Quan Nguyen's NPI (1922069533) is active in the NPPES registry as of the last update on 2022-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.