Nathan Barclay, PHD
Clinical Psychologist · Houston, TX
Nathan Barclay, PHD is a clinical psychologist with a practice address in Houston, Texas, and NPI 1689554776, issued on Sep 8, 2025. Check the license (Texas 40600, 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
- Nathan Barclay
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 40600 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2211 Norfolk St Ste 455, Houston, TX 77098
- Phone
- (832) 278-1849
- Enumerated
- Sep 8, 2025
- Record last updated
- Sep 8, 2025
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 2,732 in Texas → Look up another NPI →
Also registered at 2211 Norfolk St Ste 455
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathan Barclay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 40600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nathan Barclay among 2,732 clinical psychologist records in Texas
Nathan Barclay, PHD is one of 2,732 clinical psychologist records with a practice address in Texas. 14% 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 2025, is newer than 97% of them.
- NPI issued2025 · 97% of these records are older, 1% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 22% of these records are
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in Texas
There are 2,732 clinical psychologist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,732 in Texas → Every provider in Houston → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Christine Adams, PH.D.Houston, TX 770981447322870
- Larry Brown, PHDHouston, TX 770981871504639
- Ballard Burgher, PHDHouston, TX 770981154346989
- Andrew Butcher, PH.D.Houston, TX 770981962418566
- Katherine Delaune, PHDHouston, TX 770981316028939
- Gerald Harris, PHD, BCBAHouston, TX 770981295862878
- Barbara Mosbacher, PH.D.Houston, TX 770981558483891
- Jesse Reed, PH.D.Houston, TX 770981184704074
Common questions
What is Nathan Barclay, PHD's NPI number?
Nathan Barclay, PHD's National Provider Identifier (NPI) is 1689554776, issued on Sep 8, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Barclay, PHD located?
The NPPES record lists a practice address at 2211 Norfolk St Ste 455, Houston, TX, 77098. Phone: (832) 278-1849. Providers update this record themselves, so call before visiting.
How can I verify Nathan Barclay, PHD's license?
NPPES lists Texas license number 40600, 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.