NPPES file of Aug 9, 2026

Paul A. Hasak, PH.D.

Clinical Psychologist · Saint Louis, MO

Paul A. Hasak, PH.D. is a clinical psychologist with a practice address in Saint Louis, Missouri, and NPI 1356324099, issued on Nov 28, 2005. Check the license (Missouri R0022, as entered in NPPES) with the Missouri 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
1356324099
Name
Paul A. Hasak
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
R0022 MO
Self-reported in NPPES; status is on the state search
Practice location
777 S New Ballas RD, Saint Louis, MO 63141
Phone
(314) 569-0655
Enumerated
Nov 28, 2005
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(314) 569-0605
Medicaid ID
493201610 MO
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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8 nearest clinical psychologist records → All 911 in Missouri → Look up another NPI →

Also registered at 777 S New Ballas RD

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

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Verify Paul A. Hasak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license R0022    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 Missouri 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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Paul A. Hasak among 911 clinical psychologist records in Missouri

Paul A. Hasak, PH.D. is one of 911 clinical psychologist records with a practice address in Missouri. 16% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileNo · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 23% of these records are
  • Record last updated2007 · 59% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Missouri

There are 911 clinical psychologist records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 911 in Missouri → Every provider in Saint Louis → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Mitchell Alevy, PH.D.Saint Louis, MO 631411699752584
  2. Theresa Bajt, PHDCreve Coeur, MO 631411508951534
  3. Sherry Bassi, PH.D.Saint Louis, MO 631411982780052
  4. Harold Bloss, ED.D.Saint Louis, MO 631411184614406
  5. David Brunts, PH.D.Saint Louis, MO 631411942267828
  6. Rebecca Ehrke, PSY.D.Creve Coeur, MO 631411215049101
  7. Karen Hampton, PH. D.St Louis, MO 631411851477905
  8. Jennifer Hasak, PH.D.Saint Louis, MO 631411881677524

Common questions

What is Paul A. Hasak, PH.D.'s NPI number?

Paul A. Hasak, PH.D.'s National Provider Identifier (NPI) is 1356324099, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Paul A. Hasak, PH.D. located?

The NPPES record lists a practice address at 777 S New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 569-0655. Providers update this record themselves, so call before visiting.

How can I verify Paul A. Hasak, PH.D.'s license?

NPPES lists Missouri license number R0022, as entered by the provider. Search the Missouri 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.

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.