DR. WILLIAM D. PETTY DDS, MS
NPI 1861558744
Dentist - Orthodontics and Dentofacial Orthopedics in Oak Lawn, IL

Active since December 28, 2006Opted out of Medicare · through Oct 17, 2026
4233 W 95TH ST, 2ND FLOOR, OAK LAWN, IL 60462(708) 636-2900(708) 636-3337 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William D. Petty Dds, Ms NPPES

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

DR. WILLIAM D. PETTY DDS, MS (NPI 1861558744) is an individual orthodontics and dentofacial orthopedics provider in Oak Lawn, Illinois, licensed in Illinois (019-A14386) and active in the NPI registry since December 2006. He has opted out of Medicare through October 17, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1861558744
Entity TypeIndividualMale
Primary Taxonomy1223X0400X
Provider Legal NameDR. WILLIAM D. PETTYCredential: DDS, MS
Location Address4233 W 95TH ST, 2ND FLOOROak Lawn, IL 60462
Mailing Address4233 W 95th St, 2nd FloorOak Lawn, IL 60453-2623 · (708) 636-2900 · Fax (708) 636-3337
Fax(708) 636-3337
Sole ProprietorNo
Enumeration DateDecember 28, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1861558744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · Orthodontics and Dentofacial OrthopedicsDental Providers
Taxonomy Code1223X0400X
License Licensed in IL · 019-A14386
Definition
That area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and malformations of their related structures and the adjustment of relationships between and among teeth and facial bones by the application of forces and/or the stimulation and redirection of functional forces within the craniofacial complex. Major responsibilities of orthodontic practice include the diagnosis, prevention, interception and treatment of all forms of malocclusion of the teeth and associated alterations in their surrounding structures; the design, application and control of functional and corrective appliances; and the guidance of the dentition and its supporting structures to attain and maintain optimum occlusal relations in physiologic and esthetic harmony among facial and cranial structures.
4233 W 95TH ST, Oak Lawn, IL 60462

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. William D. Petty Dds, Ms has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 17, 2014 through October 17, 2026.

Opt-Out Effective DateOctober 17, 2014
Opt-Out In Effect ThroughOctober 17, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60462 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Petty's NPI number?

The NPI number for William Petty is 1861558744. It was assigned to this individual provider in the NPPES registry on December 28, 2006.

Where is William Petty located?

William Petty practices at 4233 W 95th St 2nd Floor, Oak Lawn, IL 60462. The listed phone number is (708) 636-2900.

What is William Petty's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Orthodontics and Dentofacial Orthopedics, with taxonomy code 1223X0400X.

Is William Petty enrolled in Medicare?

No. William Petty has opted out of Medicare through October 17, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does William Petty accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list William Petty 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 Petty was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.