Carrier profile · USDOT 1939724 · Updated Jun 13, 2026

Professional Respiratory Home Healthcare Inc

DBA MED AIR

1 power unitavg 5.3 yrLocal · 1 statesSAN MARCOS, TX100/100

AUTHORITY STATUS UNKNOWNHAZMAT

Observed fleet · trailing 24 mo daily

1Power units

4 observed · MCS-150

—Trailers seen

None observed · 24 mo

5.3Avg age (yr)

2017–2025 · vPIC

Call dispatch(512) 396-9299 Email dispatchmichael.knoll@rotech.com

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Clear to load

Active authority and a clean federal record. No blocking issues found.

Watch · 0

Nothing flagged.

In good standing · 3

Established 17 yearsOperating authority has been on file since 2009.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 11 inspections.No reported crashesNo DOT-reportable crashes are on this carrier's record.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo12.5%

▼ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo12.5%

▼ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Owner-operator

1 power unit. Brokers price each fleet type apart.

Fleet age vs peersNewer

5.3 yr

Model years 2017–2025 · peer benchmark unavailable.

Identity stabilityStable

16 yr unchanged

Same registration since 2009 — no chameleon / reincarnation signal.

Safety

8 inspections · 24 mo · vs national benchmarks

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 12.5%24-mo cumulative

050%nat'l 22.26%

Driver OOS 0.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 8 vehicle and 8 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

0.0% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 22.0 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

8 inspections in the charted months · busiest month Jan '26 · 2

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Heavily inspected

Under-inspected

Expected

Well-monitored

Heavily inspected

≈4.0 / unit·yr

thin signalabundant signal

Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.

Registered power units: 1
Inspections · 24 mo: 8
Annualized: ≈4 / yr
Coverage: ≈4.0 inspections / unit · yr

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

177.817 Other violationOther1 · 0 OOS
392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving1 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 1 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 1
Observed power (24 mo): 4
Trailers (towed): 0

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

5.3 yr

Average age

2025

Newest model yr

2017

Oldest model yr

75.0%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

TX busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

SAN MARCOS, TX

4503 HUNTER ROAD

Top corridor

TX 8

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.

Show all-time history (2 trucks · 2 carriers)

Across all inspections on record: USDOT 606399 USDOT 3552532

Shares a registration email domain with other carriers

@rotech.com — 65 carriers: USDOT 328177 USDOT 390530 USDOT 399595 USDOT 417382 USDOT 488535 USDOT 495642 USDOT 543632 USDOT 599292

Shares a company officer with other carriers

robin menchen — 10 carriers: USDOT 495642 USDOT 703343 USDOT 974254 USDOT 975791 USDOT 975794 USDOT 975841 USDOT 1028337 USDOT 1038213

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 4503 HUNTER ROAD, SAN MARCOS, TX, 78666
Mailing address: 6251 CHANCELLOR DR SUITE, ORLANDO, FL, 32809
Operation: Intrastate (Hazmat)· Hazmat

Contact

Phone: (512) 396-9299
Cell: (407) 854-3557
Fax: (512) 396-9225
Email: michael.knoll@rotech.com
Web domain: rotech.com

Registration

Officers: Robin Menchen · Michael.Knoll
USDOT / docket: 1939724
First registered: Sep 17, 2009
Last MCS-150: Apr 30, 2026 · 30,000 mi (2025)
FMCSA safety rating: Not rated
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

30,000

Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

No verified reviews yet

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Verification summaryAuthority, insurance, safety and identity facts for PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC.

PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC (USDOT 1939724) has a Vektor safety score of 100/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Jun 13, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jun 13, 2026.

Its vehicle out-of-service rate was 12.5% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 8 roadside inspections in the last 24 months — 8 vehicle-level and 8 driver-level — across 1 state, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.

It reports 1 power unit and 2 drivers in its most recent MCS-150 filing dated Apr 30, 2026.

It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.

Frequently asked

What is PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC's USDOT number?

PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC's USDOT number is 1939724.

Is PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC authorized to operate?

As of Jun 13, 2026, PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC is active in the FMCSA register.

What is PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC's safety record?

PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC has a 12.5% vehicle out-of-service rate (national average 22.26%) across 11 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 100/100 (tier: clear).

How big is PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC's fleet?

PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC operates 1 power unit and 2 drivers per its most recent MCS-150 filing.

Where is PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC based?

PROFESSIONAL RESPIRATORY HOME HEALTHCARE INC is based in SAN MARCOS, TX, with roadside inspections recorded across 1 state.

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