William Dean Billows, PHD HSPP
Clinical Psychologist · Mount Prospect, IL
William Dean Billows, PHD HSPP is a clinical psychologist with a practice address in Mount Prospect, Illinois, and NPI 1619969854, issued on Aug 15, 2005. Check the license (Illinois 071.006777, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Dean Billows
- Credential
- PHD HSPP
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 071.006777 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 E Northwest Hwy Ste 106, Mount Prospect, IL 60056
- Phone
- (847) 909-9858
- Enumerated
- Aug 15, 2005
- Record last updated
- Jul 21, 2022
- Fax
- (847) 299-4952
- Entity
- Type 1 · individual
Also registered at 800 E Northwest Hwy Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nupur SharmaProfessional Counselor1396299160
- Lindy Vandersteeg, B.A., M.A., LPCMental Health Counselor1740719855
Verify William Dean Billows in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 071.006777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12 clinical psychologist records list a practice address in Mount Prospect
They are 12 of the 431 NPPES records with a practice address in Mount Prospect, and 3,947 clinical psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12 in Mount Prospect → All 3,947 in Illinois → Every provider in Mount Prospect →
Other clinical psychologist records in Illinois
- Kathy Abbott, PSYDEvergreen Park, IL1922188929
- Lamese AbdelhamidOrland Park, IL1992671440
- James Abec, PH.D.Lombard, IL1770791907
- Allison Abel, PSY.DHines, IL1003638040
- William Aber, PH.D.Chicago, IL1598777187
- Alexis AbernNorthfield, IL1588064034
- Leslie Abrams, PH.D.Deerfield, IL1861558348
- Dayna Abramson, PSYDRomeoville, IL1891523502
- Huda Abuasi, PSY.D.Orland Park, IL1841312808
- Allison Ackerman, PH.D.Deerfield, IL1235158858
Common questions
What is William Dean Billows, PHD HSPP's NPI number?
William Dean Billows, PHD HSPP's National Provider Identifier (NPI) is 1619969854, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Dean Billows, PHD HSPP located?
The NPPES record lists a practice address at 800 E Northwest Hwy Ste 106, Mount Prospect, IL, 60056. Phone: (847) 909-9858. Providers update this record themselves, so call before visiting.
How can I verify William Dean Billows, PHD HSPP's license?
NPPES lists Illinois license number 071.006777, as entered by the provider. 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. 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.