DBA: Med Air
Professional Respiratory Home Healthcare Inc is an active intrastate hazmat carrier based in San Marcos, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Total Power Units | 1 | ||
Distinct vehicles · 24 mo
vs 1 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 77% | 69% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 8 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Hazardous Materials Compliance | 1 | 0 | 0 |
| Vehicle Maintenance | 1 | 0 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 3, 2026 | TX | STRAIGHT TRUCK | 0 | 0 |
| Jan 26, 2026 | TX | STRAIGHT TRUCK | 0 | 0 |
| Jan 6, 2026 | TX | STRAIGHT TRUCK | 0 | 0 |
| Nov 11, 2025 | TX | STRAIGHT TRUCK | 0 | 0 |
| Sep 29, 2025 | TX |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 44
Cambria Medical Supply Inc
Carrolltown, PA
Michael.Knoll · also at 14 others
Community Home Oxygen Inc
Billings, MT
Michael.Knoll · also at 14 others
Cpo 2 Inc
Mifflinburg, PA
Michael.Knoll · also at 14 others
Custom Asphalt Inc
Hastings, MN
Michael.Knoll · also at 14 others
Gate City Medical Equipment Inc
Venus, TX
Michael.Knoll · also at 14 others
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 0.31 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for 100% of activity. Activity outside home state (TX): 0%.
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Apr 1, 2025 | TX | STRAIGHT TRUCK | 1 | 0 |
| Mar 20, 2025 | TX | STRAIGHT TRUCK | 0 | 0 |
| Sep 24, 2024 | TX | STRAIGHT TRUCK | 1 | 1 |
| Jun 6, 2024 | TX | STRAIGHT TRUCK | 0 | 0 |
| May 8, 2024 | TX | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Apr 1, 2025 | 177817E | Shipping paper accessibility | Hazardous Materials Compliance | — |
| Sep 24, 2024 | 3963A1DSUJ | Universal Joint with Loose Broken or Missing Component or Bearing Strap | Vehicle Maintenance | Yes |
Michael Knoll
Federal Way, WA
Michael.Knoll · also at 14 others
+34 more
Shared email · 6
Cambria Medical Supply Inc
Carrolltown, PA
michael.knoll@rotech.com · also at 25 others
Camden Medical Supply Inc
Mayflower, AR
michael.knoll@rotech.com · also at 25 others
Care Medical Supplies Inc
Arlington Heights, IL
michael.knoll@rotech.com · also at 25 others
Community Home Oxygen Inc
Billings, MT
michael.knoll@rotech.com · also at 25 others
Cpo 2 Inc
Mifflinburg, PA
michael.knoll@rotech.com · also at 25 others
Gate City Medical Equipment Inc
Venus, TX
michael.knoll@rotech.com · also at 25 others