Bao-Chau Nguyen, MD
NPI 1801391404 · Internal Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bao-Chau Nguyen, MD is a Internal Medicine Physician provider in Sioux Falls, SD (NPI 1801391404).
Provider details
- NPI number
- 1801391404
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 13105 (SD)
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
8 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
821 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 262 | $111 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 229 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 175 | $74 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 75 | $161 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 64 | $76 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-26
- Last updated
- 2023-06-20
- Certified
- 2023-06-20
Frequently asked questions
- What is Bao-Chau Nguyen's NPI number?
- Bao-Chau Nguyen's National Provider Identifier (NPI) is 1801391404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bao-Chau Nguyen's specialty?
- Bao-Chau Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bao-Chau Nguyen located?
- Bao-Chau Nguyen's practice location on file with NPPES is 1325 S Cliff Ave, Sioux Falls, SD 57105-1007.
- What is Bao-Chau Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Bao-Chau Nguyen is (605) 322-8000.
- Does Bao-Chau Nguyen accept Medicare?
- Bao-Chau Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bao-Chau Nguyen's NPI active?
- Yes — Bao-Chau Nguyen's NPI (1801391404) is active in the NPPES registry as of the last update on 2023-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.