What is John Williams's NPI number?

John Williams's National Provider Identifier (NPI) is 1437382918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Williams's specialty?

John Williams is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is John Williams located?

John Williams's practice location on file with NPPES is 20201 Crawford Ave, Olympia Fields, IL 60461-1010.

What is John Williams's phone number?

The practice phone number listed in the NPPES registry for John Williams is (708) 747-4000.

Is John Williams's NPI active?

Yes — John Williams's NPI (1437382918) is active in the NPPES registry as of the last update on 2009-08-31.

IndividualActive

John Williams, PT

NPI 1437382918 · Physical Therapist · Olympia Fields, IL

John Williams, PT is a Physical Therapist provider in Olympia Fields, IL (NPI 1437382918).

Provider details

NPI number: 1437382918
Entity type: Individual
Primary specialty: Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: PT
Sex: Male
Sole proprietor: No
License: 070-0165419 (IL)

Practice location

20201 Crawford Ave

Olympia Fields, IL 60461-1010

Phone: (708) 747-4000

Fax: (708) 503-3221

Street-level locationGet directions

More IL providers

Mailing address

801 S Briggs St

Joliet, IL 60433-9591

Specialties & taxonomies

Physical TherapistPrimary225100000XLicense 070-0165419 (IL)
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Detailed profile(85/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
17 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2009-08-31
Last updated: 2009-08-31

Frequently asked questions

What is John Williams's NPI number?: John Williams's National Provider Identifier (NPI) is 1437382918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Williams's specialty?: John Williams is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is John Williams located?: John Williams's practice location on file with NPPES is 20201 Crawford Ave, Olympia Fields, IL 60461-1010.
What is John Williams's phone number?: The practice phone number listed in the NPPES registry for John Williams is (708) 747-4000.
Is John Williams's NPI active?: Yes — John Williams's NPI (1437382918) is active in the NPPES registry as of the last update on 2009-08-31.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions