Provider Profile
Gustavo A. Diaz, PA-C
Unclaimed ProfileAbout Gustavo Diaz
Listed in the NPI registry as a physician assistant, Gustavo A. Diaz, PA-C practices in Sioux Falls, SD. Medicare claims data shows Gustavo provided 82 services to 81 patients. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes and emergency department visit with high level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (605) 322-1300
- Email not available
Practice Locations
911 E. 20TH ST. STE. 300
Sioux Falls, SD 57105
Procedures Most Often Billed to Medicare
82 services · 81 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
45 | More often than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
37 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other physician assistants in Sioux Falls 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Gustavo A. Diaz specialize in?
Gustavo A. Diaz is a physician assistant in Sioux Falls, SD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Gustavo A. Diaz located?
Gustavo A. Diaz is listed at 911 E. 20Th St. Ste. 300, Sioux Falls, SD 57105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gustavo A. Diaz's phone number?
The number on file is (605) 322-1300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Gustavo A. Diaz?
Gustavo A. Diaz's National Provider Identifier is 1730123977. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Gustavo A. Diaz train?
Gustavo A. Diaz attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gustavo A. Diaz have?
Gustavo A. Diaz has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Gustavo A. Diaz do most often?
According to Medicare billing data, Gustavo A. Diaz the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gustavo A. Diaz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gustavo A. Diaz. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.