Dianna Messick, RCP/RRT
Registered Respiratory Therapist · Milwaukee, WI
Dianna Messick, RCP/RRT is a registered respiratory therapist with a practice address in Milwaukee, Wisconsin, and NPI 1437529963, issued on Sep 27, 2015. Check the license with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dianna Messick
- Credential
- RCP/RRT
- Primary taxonomy
- Registered Respiratory Therapist 227900000X
- License number
- 69849 KS
Self-reported in NPPES; status is on the state search - Practice location
- 2323 N Lake Dr, Milwaukee, WI 53211
- Phone
- (414) 291-1000
- Enumerated
- Sep 27, 2015
- Record last updated
- Sep 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest registered respiratory therapist records → All 54 in Wisconsin → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dianna Messick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dianna Messick among 54 registered respiratory therapist records in Wisconsin
Dianna Messick, RCP/RRT is one of 54 registered respiratory therapist records with a practice address in Wisconsin. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 26% of them.
- NPI issued2015 · 26% of these records are older, 72% newer
- In a Medicare fileNo · 0% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2015 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 227900000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Registered Respiratory Therapist providers in Wisconsin
There are 54 registered respiratory therapist records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 54 in Wisconsin → Every provider in Milwaukee → Registered Respiratory Therapist nationwide →
The 8 registered respiratory therapist records with the nearest ZIP codes
- Edith NievesMilwaukee, WI 532151558129718
- Joshelyn SaltonMilwaukee, WI 532161124724877
- Christopher Henderson, RRTGreenfield, WI 532201235161159
- Richard Bailey, RRTMilwaukee, WI 532261659085140
- Michael Mindham, RCPMilwaukee, WI 532261689124240
- Sara Deblaey, RRTWest Allis, WI 532271639903131
- Kelsey Ferguson, RRTWaukesha, WI 531881477331932
- Michael DavisSalem, WI 531681427901511
Common questions
What is Dianna Messick, RCP/RRT's NPI number?
Dianna Messick, RCP/RRT's National Provider Identifier (NPI) is 1437529963, issued on Sep 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Dianna Messick, RCP/RRT located?
The NPPES record lists a practice address at 2323 N Lake Dr, Milwaukee, WI, 53211. Phone: (414) 291-1000. Providers update this record themselves, so call before visiting.
How can I verify Dianna Messick, RCP/RRT's license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.