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WILLIAM DAVISON M.D.
NPI 1982659413
Psychiatry & Neurology - Neurology in Park Ridge, IL

Active since May 23, 2006PECOS Enrolled
444 N NORTHWEST HWY, STE 200, PARK RIDGE, IL 60068(847) 825-2366(847) 825-2513 Get Directions Write a Review

NPPES record last updated: August 27, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William Davison M.d. NPPES

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

WILLIAM DAVISON M.D. (NPI 1982659413) is an individual neurology provider in Park Ridge, Illinois, licensed in Illinois (036045740) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982659413
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameWILLIAM DAVISONCredential: M.D.
Location Address444 N NORTHWEST HWY, STE 200Park Ridge, IL 60068-3263
Mailing AddressPo Box 388320Chicago, IL 60638-8320 · (773) 767-8283 · Fax (773) 767-8320
Phone(847) 825-2366
Fax(847) 825-2513
Sole ProprietorNo
Enumeration DateMay 23, 2006
Last NPPES UpdateAugust 27, 2009
✔ NPI 1982659413 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in IL · 036045740
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
444 N NORTHWEST HWY, Park Ridge, IL 60068
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Other Identifiers 5

Medicaid036045740IL
Other01615936IL · Blue Shield
Medicare ID-Type Unspecified603770IL
Other130004858IL · Railroad Medicare
Medicare UPINC39375

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Davison M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show William Davison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation
22 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60068 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 10

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
8 suppliers40 claims40 services$35.09 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
10 suppliers44 claims44 services$77.61 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
10 suppliers47 claims126 services$28.90 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
5 suppliers19 claims113 services$12.01 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
5 suppliers26 claims26 services$44.02 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
10 suppliers37 claims37 services$15.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

ROSEMARY QUEZADA
Counselor (Mental Health)
444 N NORTHWEST HWY
PARK RIDGE, IL 60068
Cook County (312) 659-8505
EYE SPECIALISTS OF ILLINOIS, S.C,
Ophthalmology
444 N NORTHWEST HWY
PARK RIDGE, IL 60068
Cook County (847) 823-2127
BETTY SIUBA M.S.
Counselor (Professional)
444 N NORTHWEST HWY, SUITE 145
PARK RIDGE, IL 60068
Cook County (847) 292-2340
MR. GREGORY PETER DYKE RPH
Pharmacist
444 N NORTHWEST HWY, SUITE 145
PARK RIDGE, IL 60068
Cook County (847) 685-9900
HOCHSTADTER ISAACSON CHERNY DUMANIS & ASSOC MAXILLO SURGERY LTD
Dentist (Oral and Maxillofacial Surgery)
444 N NORTHWEST HWY, STE 325
PARK RIDGE, IL 60068
Cook County (847) 296-6100
DIAGNOSTIC NEUROLOGY, LTD
Psychiatry & Neurology (Neurology)
444 N NORTHWEST HWY, STE 200
PARK RIDGE, IL 60068
Cook County (847) 825-2366
CATHERINE BARBARA BETKA PTA
Physical Therapy Assistant
444 N NORTHWEST HWY, SUITE 202
PARK RIDGE, IL 60068
Cook County (847) 268-0280
IAN S KATZNELSON M.D.
Psychiatry & Neurology (Neurology)
444 N NORTHWEST HWY, STE 200
PARK RIDGE, IL 60068
Cook County (847) 825-2366

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 Davison's NPI number?

The NPI number for William Davison is 1982659413. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is William Davison located?

William Davison practices at 444 N Northwest Hwy Ste 200, Park Ridge, IL 60068. The listed phone number is (847) 825-2366.

What is William Davison's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is William Davison enrolled in Medicare?

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

Which organization bills Medicare for William Davison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Davison reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Davison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Davison was last updated on August 27, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.