NPPES file of Aug 9, 2026

Johanna M. Messerly, PSY.D.

Clinical Neuropsychologist · San Antonio, TX

Johanna M. Messerly, PSY.D. is a clinical neuropsychologist with a practice address in San Antonio, Texas, and NPI 1619520681, issued on Jul 18, 2019. Check the license (Texas 38301, 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
1619520681
Name
Johanna M. Messerly
Credential
PSY.D.
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
38301 TX
Self-reported in NPPES; status is on the state search
Practice location
8300 Floyd Curl Dr FL 8, San Antonio, TX 78229
Phone
(210) 450-9700
Enumerated
Jul 18, 2019
Record last updated
Jan 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(210) 450-6039
Medicaid ID
404780501 TX
Medicare enrollment
Enrolled (PECOS I20191118001357); accepts Medicare assignment
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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8 nearest clinical neuropsychologist records → All 388 in Texas → Look up another NPI →

Also registered at 8300 Floyd Curl Dr FL 8

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

  1. Muhammad Abdullah, MDNeurology Physician1033773247
  2. Ratna Bhavaraju-Sanka, M.DNeuromuscular Medicine (Psychiatry & Neurology) Physician1679786651
  3. Robin Brey, M.D.Neurology Physician1790892768
  4. Lorena Cardenas, PA-CPhysician Assistant1255896684
  5. Brittany Cerbone, PHDClinical Neuropsychologist1659010791
  6. Cassie Chan, MDNeuromuscular Medicine (Psychiatry & Neurology) Physician1407345499

Verify Johanna M. Messerly 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 38301    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. University OF Texas Health Science Center AT San AntonioSan Antonio, TX

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

Johanna M. Messerly among 388 clinical neuropsychologist records in Texas

Johanna M. Messerly, PSY.D. is one of 388 clinical neuropsychologist records with a practice address in Texas. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 75% of them.

  • NPI issued2019 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2017 · median 2011 among the 154 with a school on file
  • Record last updated2020 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neuropsychologist providers in Texas

There are 388 clinical neuropsychologist records in Texas.

All 388 in Texas → Every provider in San Antonio → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Valerie Balldin, PHDSan Antonio, TX 782291871927855
  2. Brittany Cerbone, PHDSan Antonio, TX 782291659010791
  3. Kate Glywasky, PSY DSan Antonio, TX 782291942383732
  4. Robin Hilsabeck, PH.D.San Antonio, TX 782291356432181
  5. Stephen Holliday, PH.D.San Antonio, TX 782291730288689
  6. Gabrielle HromasSan Antonio, TX 782291164206769
  7. Janice Marceaux, PH.D.San Antonio, TX 782291518228733
  8. Gilbert Martinez, PH.D.San Antonio, TX 782291407971138

Common questions

What is Johanna M. Messerly, PSY.D.'s NPI number?

Johanna M. Messerly, PSY.D.'s National Provider Identifier (NPI) is 1619520681, issued on Jul 18, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Johanna M. Messerly, PSY.D. located?

The NPPES record lists a practice address at 8300 Floyd Curl Dr FL 8, San Antonio, TX, 78229. Phone: (210) 450-9700. Providers update this record themselves, so call before visiting.

How can I verify Johanna M. Messerly, PSY.D.'s license?

NPPES lists Texas license number 38301, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.