Theresa M. Regan, PH.D.
Clinical Psychologist · Peoria, IL
Theresa M. Regan, PH.D. is a clinical psychologist with a practice address in Peoria, Illinois, and NPI 1598785644, issued on Jul 20, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa M. Regan
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- Practice location
- 530 NE Glen Oak Ave, Peoria, IL 61637
- Phone
- (309) 655-7378
- Enumerated
- Jul 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (309) 655-4609
- Medicare enrollment
- Enrolled (PECOS I20041214000331); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 3,947 in Illinois → Look up another NPI →
Also registered at 530 NE Glen Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Makram Abou Ghaida, MDStudent in an Organized Health Care Education/Training Program1659119253
- Bassel Abouzeid, MDObstetrics & Gynecology Physician1376160846
- Susan Abraham, M.D.Internal Medicine Physician1598926818
- Angela AdamsOccupational Therapist1124564802
Verify Theresa M. Regan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Osf Multi-Specialty GroupPeoria, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa M. Regan among 3,947 clinical psychologist records in Illinois
Theresa M. Regan, PH.D. is one of 3,947 clinical psychologist records with a practice address in Illinois. 16% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 76% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1997 · median 2004 among the 1,081 with a school on file
- Record last updated2007 · 68% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in Illinois
There are 3,947 clinical psychologist records in Illinois.
All 3,947 in Illinois → Every provider in Peoria → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Patresa Brager, PH.D.Peoria, IL 616371043236573
- Matthew Mordhorst, PH.D.Peoria, IL 616371609892124
- Joseph BabionePeoria, IL 616361417575853
- Jean Clore, PHDPeoria, IL 616361154614790
- Raymond Baker, PH.D.Peoria, IL 616151972526838
- Emma Bucher, PSY.D.Peoria, IL 616151619523479
- Luke Dalfiume, PHDPeoria, IL 616151760447155
- Christine Deya, PSYDPeoria, IL 616151457902165
Common questions
What is Theresa M. Regan, PH.D.'s NPI number?
Theresa M. Regan, PH.D.'s National Provider Identifier (NPI) is 1598785644, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theresa M. Regan, PH.D. located?
The NPPES record lists a practice address at 530 NE Glen Oak Ave, Peoria, IL, 61637. Phone: (309) 655-7378. Providers update this record themselves, so call before visiting.
How can I verify Theresa M. Regan, PH.D.'s license?
Search the Illinois 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.