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WILLIAM DEAN BILLOWS PHD HSPP
NPI 1619969854
Psychologist - Clinical in Mount Prospect, IL

Active since August 15, 2005PECOS Enrolled
800 E NORTHWEST HWY STE 106, MOUNT PROSPECT, IL 60056(847) 909-9858(847) 299-4952 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Aug 20, 2017, Mar 27, 2017 (3 updates tracked since 2017).

About William Dean Billows Phd Hspp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM DEAN BILLOWS PHD HSPP (NPI 1619969854) is an individual clinical provider in Mount Prospect, Illinois, licensed in Illinois (071.006777) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619969854
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameWILLIAM DEAN BILLOWSCredential: PHD HSPP
Location Address800 E NORTHWEST HWY STE 106Mount Prospect, IL 60056-3457
Mailing Address800 E Northwest Hwy Ste 106Mount Prospect, IL 60056-3457 · (847) 909-9858 · Fax (847) 299-4952
Phone(847) 909-9858
Fax(847) 299-4952
Sole ProprietorYes
Enumeration DateAugust 15, 2005
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1619969854 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in IL · 071.006777
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
800 E NORTHWEST HWY STE 106, Mount Prospect, IL 60056
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Dean Billows Phd Hspp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60056 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARK D. PARISI, PSY.D., P.C.
Clinic/Center (Mental Health (Including Community Mental Health Center))
800 E NORTHWEST HWY STE 106
MOUNT PROSPECT, IL 60056
Cook County (847) 909-9858
NUPUR SHARMA
Counselor (Professional)
800 E NORTHWEST HWY STE 106
MOUNT PROSPECT, IL 60056
Cook County (847) 909-9858
HELENA MARY GRIGLIONE
Specialist/Technologist, Health Information
800 E NORTHWEST HWY STE 106
MT PROSPECT, IL 60056
Cook County (847) 909-9858
MARK D PARISI PSY D & ASSOCIATES PC
Psychologist (Clinical)
800 E NORTHWEST HWY STE 106
MOUNT PROSPECT, IL 60056
Cook County (847) 909-9858
ALLISON DESANTIS LCPC
Counselor (Professional)
800 E NORTHWEST HWY STE 106
MT PROSPECT, IL 60056
Cook County (847) 909-9858
LINDY VANDERSTEEG B.A., M.A., LPC
Counselor (Mental Health)
800 E NORTHWEST HWY STE 106
MOUNT PROSPECT, IL 60056
Cook County (847) 305-4205

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Billows's NPI number?

The NPI number for William Billows is 1619969854. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is William Billows located?

William Billows practices at 800 E Northwest Hwy Ste 106, Mount Prospect, IL 60056. The listed phone number is (847) 909-9858.

What is William Billows's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is William Billows enrolled in Medicare?

Yes. William Billows is registered in the Medicare PECOS enrollment system.

What insurance does William Billows accept?

Health plans from Providence Health Plan list William Billows as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Billows was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.