Diana G. Schirmer, M.S., CCC-SLP
Speech-Language Pathologist · Mission, TX
Diana G. Schirmer, M.S., CCC-SLP is a speech-language pathologist with a practice address in Mission, Texas, and NPI 1114118957, issued on Aug 7, 2007. Check the license (Texas 103584, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana G. Schirmer
- Credential
- M.S., CCC-SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 103584 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2415 E 27TH St, Mission, TX 78574
- Phone
- (956) 501-6113
- Enumerated
- Aug 7, 2007
- Record last updated
- Aug 7, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20251113004815); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 17,062 in Texas → Look up another NPI →
Verify Diana G. Schirmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 103584Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Legacy Healthcare Services IncColorado Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana G. Schirmer among 17,062 speech-language pathologist records in Texas
Diana G. Schirmer, M.S., CCC-SLP is one of 17,062 speech-language pathologist records with a practice address in Texas. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 4% of them.
- NPI issued2007 · 4% of these records are older, 89% newer
- In a Medicare fileYes · 2% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated2004 · median 2015 among the 598 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 speech-language pathologist records list a practice address in Mission
They are 60 of the 912 NPPES records with a practice address in Mission, and 17,062 speech-language pathologist records in Texas.
All 17,062 in Texas → Every provider in Mission → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Ray LouckMission, TX 785741447730221
- Melida Morin, MSMission, TX 785741366163735
- Maria Rangel, M. S. CCC-SLPMission, TX 785741790975845
- Sabrina RodriguezMission, TX 785741740760545
- Maria Watson, MACCCSLPMission, TX 785741073669396
- Fatima Zavala, M.S CCC/SLPMission, TX 785741376937847
- Yvonne AlanisAlton, TX 785731285018424
- Miriam De Anda, SLPAlton, TX 785731407134638
Common questions
What is Diana G. Schirmer, M.S., CCC-SLP's NPI number?
Diana G. Schirmer, M.S., CCC-SLP's National Provider Identifier (NPI) is 1114118957, issued on Aug 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diana G. Schirmer, M.S., CCC-SLP located?
The NPPES record lists a practice address at 2415 E 27TH St, Mission, TX, 78574. Phone: (956) 501-6113. Providers update this record themselves, so call before visiting.
How can I verify Diana G. Schirmer, M.S., CCC-SLP's license?
NPPES lists Texas license number 103584, as entered by the provider. Search the Texas 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. Medicare files from data.cms.gov. 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.