Steven Nguyen, D.O.
NPI 1841483229 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Nguyen, D.O. is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1841483229).
Provider details
- NPI number
- 1841483229
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 4672 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
1,710 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 744 | $66 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 376 | $70 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 203 | $102 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 98 | $105 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 97 | $162 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 26 | 23 |
| Cefdinir | 20 | 20 |
| Quetiapine Fumarate | 17 | — |
| Apixabanbrand: Eliquis | 17 | 16 |
| Furosemide | 17 | 16 |
| Losartan Potassium | 16 | 12 |
| Oxycodone Hcl | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-20
- Last updated
- 2010-09-02
Frequently asked questions
- What is Steven Nguyen's NPI number?
- Steven Nguyen's National Provider Identifier (NPI) is 1841483229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Nguyen's specialty?
- Steven Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Nguyen located?
- Steven Nguyen's practice location on file with NPPES is 4530 E Muirwood Dr, Phoenix, AZ 85048-7639.
- What is Steven Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Steven Nguyen is (480) 961-2303.
- Does Steven Nguyen accept Medicare?
- Steven Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Nguyen's NPI active?
- Yes — Steven Nguyen's NPI (1841483229) is active in the NPPES registry as of the last update on 2010-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.