Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Sir George D Washington, OT

Occupational Therapist in Olympia Fields, IL · enumerated 2008 · practices at Supplemental Therapy Services Inc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1215109558

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Registry record

Entity type Individual (Type 1)

Name Sir George D Washington

Credential OT

Sex Male

Practice address Olympia Fields, IL, 60461

Phone (708) 359-2670

Fax (708) 274-1979

Enumeration date Mar 27, 2008

Last updated in NPPES May 23, 2014

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 056007539 (IL) Primary

OT · Occupational Therapist: A licensed therapist helping patients develop or recover skills for daily living and working. About the OT credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Sir George Washington?

The National Provider Identifier (NPI) for Sir George Washington is 1215109558, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sir George Washington practice?

The practice location on file with NPPES is in Olympia Fields, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Supplemental Therapy Services Inc Physical Therapy Clinic/Center · Olympia Fields, IL NPI 1649727900

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-23.