NPI registry status
Active
2026 NPPES data Certified Respiratory Therapist NPI 1831529916 R.T.
Verify on CMS → William Cain, R.T.
Certified Respiratory Therapist in Knoxville, Tennessee.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 1,600 in Certified Respiratory Therapist, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
What the federal data shows
William Cain, R.T. is a Certified Respiratory Therapist in Knoxville, Tennessee, listed in the federal CMS National Provider Identifier registry.
- #144
- Certified Respiratory Therapist rank among Tennessee specialties
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about William Cain, R.T.
Bare NPI registry listing — limited federal enrichment beyond basic enumeration. Verify all credentials with official sources.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1831529916), first enumerated 11/26/2013.
Source: CMS NPPES
- Not in federal data
Medicare Part D participation
No 2023 Medicare Part D prescribing volume appears in the CMS public file for this NPI (may reflect specialty, new enrollment, or non-prescribing role).
Source: CMS Part D Prescriber PUF
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1831529916 · Certified Respiratory Therapist
NPI-10 · ENUM-MID · TAX-NARROW · RX-NONE · BOOK-THIN · PHOTO-ENUM
- NPI-10 1831529916
- ENUM-MID 2013
- TAX-NARROW 1,600
- RX-NONE No Part D
- BOOK-THIN 57 in Tennessee
- PHOTO-ENUM Joni Clark · 2013
What does the federal data show about William Cain, R.T.?
Quality data not reportedPrimary specialty
Certified Respiratory Therapist
Specialty distribution in Tennessee
How Certified Respiratory Therapist compares to other specialties among Tennessee providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Certified Respiratory Therapist. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1831529916 |
|---|---|
| Specialty | Certified Respiratory Therapist |
| Credentials | R.T. |
| Gender | Male |
| NPI Issued | 11/26/2013 |
Certified Respiratory Therapist Overview
How William Cain, R.T. fits within the Certified Respiratory Therapist landscape nationally.
1,600
Certified Respiratory Therapist Providers in US
48
States with Certified Respiratory Therapist
234
Avg Claims per Provider
Nationwide Certified Respiratory Therapist peers with similar MIPS or enrollment year
Two federal-record peer sets for Cain, both outside Tennessee so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2013)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Certified Respiratory Therapist Providers in Tennessee
Other clinicians with the same primary specialty enrolled in Tennessee, drawn from the same CMS NPPES roster as Cain.
One of 57 Certified Respiratory Therapist providers enrolled in Tennessee, 5 are shown here.
Deana Booher
Livingston, TN
Ronald Burnett
Memphis, TN
Carrie Cobble
Livingston, TN
Amanda Collier
RT
Livingston, TN
Robert Compretta
CRT
Gallatin, TN
Compare Certified Respiratory Therapist nationally: see state-by-state distribution →
Frequently Asked Questions
What is William Cain, R.T.'s specialty? ▼
William Cain, R.T. specializes in Certified Respiratory Therapist and practices in Knoxville, Tennessee. Credentials: R.T..
Where is William Cain, R.T. located? ▼
William Cain, R.T. is located at 9212 WELLS STATION RD, Knoxville, TN, 37931. Phone: (865) 228-1966.
What is William Cain, R.T.'s NPI number? ▼
William Cain, R.T.'s National Provider Identifier (NPI) is 1831529916, issued on 11/26/2013.
How many Certified Respiratory Therapist providers are there in the US? ▼
There are 1,600 Certified Respiratory Therapist providers across 48 states in the US. The average Certified Respiratory Therapist provider writes 234 Medicare Part D claims per year.
Does William Cain, R.T. accept Medicare? ▼
William Cain, R.T. appears in CMS Medicare data. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify William Cain, R.T.'s credentials? ▼
William Cain, R.T.'s NPI is 1831529916 with credentials R.T.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.