Alan Walter Duncan, M.S. CCC SLP
Speech-Language Pathologist · Houston, TX
Alan Walter Duncan, M.S. CCC SLP is a speech-language pathologist with a practice address in Houston, Texas, and NPI 1114140068, issued on Apr 10, 2007. Check the license (Texas 100778, as entered in NPPES) with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alan Walter Duncan
- Credential
- M.S. CCC SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 100778 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3040 Post Oak Blvd Ste 1200, Houston, TX 77056
- Phone
- (713) 965-9998
- Enumerated
- Apr 10, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 17,062 in Texas → Look up another NPI →
Also registered at 3040 Post Oak Blvd Ste 1200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Hairston, MPTPhysical Therapist1073656575
- Elizabeth ManojPhysical Therapist1609003771
- Brooke Osborne, OTROccupational Therapist1558489765
Verify Alan Walter Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 100778Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alan Walter Duncan among 17,062 speech-language pathologist records in Texas
Alan Walter Duncan, 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 not. Its NPI, issued in 2007, is newer than 4% of them.
- NPI issued2007 · 4% of these records are older, 89% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- 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).
1,497 speech-language pathologist records list a practice address in Houston
They are 1,497 of the 61,221 NPPES records with a practice address in Houston, and 17,062 speech-language pathologist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,062 in Texas → Every provider in Houston → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Cayla Chatman, M.S, CCC - SLPHouston, TX 770561851825632
- Paola Chavarria, M.A., S.L.P.Houston, TX 770561912291832
- Afiyah Dunbar, MA, CCC-SLPHouston, TX 770561033579057
- Sameen Jesani, SLPHouston, TX 770561760870562
- Edith Miller, SLP-CCCHouston, TX 770561174988786
- Holly Moffitt, M.A., CCC/SLPHouston, TX 770561932645074
- Caitlin O'BrienHouston, TX 770561821780404
- Josephine Palani, SLP-CCCHouston, TX 770561750741518
Common questions
What is Alan Walter Duncan, M.S. CCC SLP's NPI number?
Alan Walter Duncan, M.S. CCC SLP's National Provider Identifier (NPI) is 1114140068, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alan Walter Duncan, M.S. CCC SLP located?
The NPPES record lists a practice address at 3040 Post Oak Blvd Ste 1200, Houston, TX, 77056. Phone: (713) 965-9998. Providers update this record themselves, so call before visiting.
How can I verify Alan Walter Duncan, M.S. CCC SLP's license?
NPPES lists Texas license number 100778, 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. 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.