Physician Profile
Unclaimed ProfileAbout VACA
Ryan Anthony Vaca, M.D. is a healthcare provider in Sioux Falls, SD specialising in medical oncology. Ryan trained at Sanford School of Medicine of University of South Dakota, graduating in 2013. Ryan is also listed as specialising in hematology & oncology and student in an organized health care education program.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Vaca's specialty?
Dr. Vaca is a medical oncology in Sioux Falls, SD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “MEDICAL ONCOLOGY”.
NPI registry
Where can I find Dr. Vaca?
Dr. Vaca is listed at 1000 E 23RD ST STE 230, Sioux Falls, SD 57105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Vaca?
The number on file is (605) 322-6900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Vaca's NPI number?
Dr. Vaca's National Provider Identifier is 1700222148. 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
What is Dr. Vaca's medical education?
Dr. Vaca attended Sanford School of Medicine of University of South Dakota, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Vaca been practising?
Dr. Vaca has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Vaca known for?
According to Medicare billing data, Dr. Vaca 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
Has Dr. Vaca confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Vaca. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (605) 322-6900
- Email not available
Practice Locations
1000 E 23RD ST STE 230
Sioux Falls, SD 57105
Procedures Most Often Billed to Medicare
908 services · 540 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
295 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
159 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
150 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
131 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
54 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
43 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
32 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
26 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
18 |
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.
Related specialists at this location 7
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.
Other medical oncology specialists in Sioux Falls 2
Same specialty, same city.
More connections — 8 related providers in 1 group
Class of 2013 at Sanford School of Medicine of University of South Dakota 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.