Provider Profile
Listed in the NPI registry as a physician assistant, Steven Villarreal, PHYSICIAN ASSISTANT practices in San Antonio, TX. Steven is also listed as specializing in physician assistant — medical. According to Medicare claims data, Steven cared for 590 Medicare patients across 3,003 services. The services billed most often include hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and injection, triamcinolone acetonide, not otherwise specified, 10 mg. NPI 1912318510 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1919 ROGERS RD SUITE 104
San Antonio, TX 78251
7616 Culebra Rd Ste. 130
San Antonio, TX 78251
3,003 services · 590 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
97 | More often than most peers in Physician Assistant |
| Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg | Drug given | J7320 |
1,300 | Too few peers to compare |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
421 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
670 | More than most peers in Physician Assistant |
| Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/m | Billing code | G0482 |
353 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
82 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
31 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
27 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
22 | 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.
Steven Villarreal is a physician assistant in San Antonio, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Steven Villarreal is listed at 1919 Rogers Rd Suite 104, San Antonio, TX 78251. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (210) 541-0700. Contact the office directly to confirm availability and scheduling.
NPI registry
Steven Villarreal's National Provider Identifier is 1912318510. 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
Steven Villarreal attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Steven Villarreal has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Steven Villarreal performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Steven Villarreal. If this is you, claiming it is free.
Guide.md
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