NPPES file of Aug 9, 2026

Claudia J. Kotin, PH.D.

Psychologist · San Marcos, TX

Claudia J. Kotin, PH.D. is a psychologist with a practice address in San Marcos, Texas, and NPI 1588639447, issued on Feb 22, 2006. Check the license (Texas 25335, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1588639447
Name
Claudia J. Kotin
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
25335 TX
Self-reported in NPPES; status is on the state search
Practice location
2106 Quail Run, San Marcos, TX 78666
Phone
(512) 392-8106
Enumerated
Feb 22, 2006
Record last updated
Mar 26, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(512) 392-8090
Medicare enrollment
Enrolled (PECOS I20060502000138); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2106 Quail Run

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

  1. Edward Kotin, PHDClinical Psychologist1689677239
  2. Virginia Worley, M.A.Professional Counselor1528841251

Verify Claudia J. Kotin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 25335
    Check 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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Bills Medicare through one group practice

  1. Kotin Psychology PLLCSan Marcos, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Claudia J. Kotin among 2,141 psychologist records in Texas

Claudia J. Kotin, PH.D. is one of 2,141 psychologist records with a practice address in Texas. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 77% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated1981 · median 2007 among the 372 with a school on file
  • Record last updated2009 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Texas

There are 2,141 psychologist records in Texas.

The 8 psychologist records with the nearest ZIP codes

  1. Ellis Craig, PHDSan Marcos, TX 786661528116985
  2. Anne-Marie Kimbell, PHDSan Marcos, TX 786661861616492
  3. Roberto Lopez, PH.D.San Marcos, TX 786661063141745
  4. Heather MulkeySan Marcos, TX 786661740007004
  5. Cynthia Plotts, PHDSan Marcos, TX 786661003441247
  6. Kelley Baker, PH.D.Round Rock, TX 786641245374784
  7. Brettjet Cody, PHDRound Rock, TX 786641457851230
  8. Alfred Dooley, ED.D.Round Rock, TX 786641770679193

Common questions

What is Claudia J. Kotin, PH.D.'s NPI number?

Claudia J. Kotin, PH.D.'s National Provider Identifier (NPI) is 1588639447, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Claudia J. Kotin, PH.D. located?

The NPPES record lists a practice address at 2106 Quail Run, San Marcos, TX, 78666. Phone: (512) 392-8106. Providers update this record themselves, so call before visiting.

How can I verify Claudia J. Kotin, PH.D.'s license?

NPPES lists Texas license number 25335, 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.