NPPES file of Aug 9, 2026

Darrell C. Stiffey

Clinical Psychologist · Austin, TX

Darrell C. Stiffey is a clinical psychologist with a practice address in Austin, Texas, and NPI 1528378148, issued on Oct 16, 2010. Check the license with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528378148
Name
Darrell C. Stiffey
Primary taxonomy
Clinical Psychologist 103TC0700X
Practice location
607 Rathervue PL, Austin, TX 78705
Phone
(210) 365-7204
Enumerated
Oct 16, 2010
Record last updated
Oct 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 607 Rathervue PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. William Campbell, LPCCounselor1962963793
  2. Brenda Drage-Chan, LPCProfessional Counselor1316459654
  3. Stephen Englander, PHDClinical Psychologist1770538571
  4. Robert Pieringer, MA, LPCMental Health Counselor1093201436

Verify Darrell C. Stiffey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

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Darrell C. Stiffey among 2,732 clinical psychologist records in Texas

Darrell C. Stiffey 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 2010, is newer than 50% of them.

  • NPI issued2010 · 50% of these records are older, 47% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 22% of these records are
  • Record last updated2010 · 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.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Lillian Butler, PH.D.Austin, TX 787051063434405
  2. Hillary Cauthen, PSY.D.Austin, TX 787051821229766
  3. Margarita Diaz, PH.D.Austin, TX 787051356466403
  4. Stephen Englander, PHDAustin, TX 787051770538571
  5. Olufunke Felix, PSY.D.Austin, TX 787051083463822
  6. Ida HaghighiAustin, TX 787051770288086
  7. Mara Karpel, PH.DAustin, TX 787051073725172
  8. Marsha McDonough, PH.D.Austin, TX 787051922117704

Common questions

What is Darrell C. Stiffey's NPI number?

Darrell C. Stiffey's National Provider Identifier (NPI) is 1528378148, issued on Oct 16, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Darrell C. Stiffey located?

The NPPES record lists a practice address at 607 Rathervue PL, Austin, TX, 78705. Phone: (210) 365-7204. Providers update this record themselves, so call before visiting.

How can I verify Darrell C. Stiffey's license?

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.