Gregory Grzesiak, PT - Medicare Physical Therapist in Westmont, IL

Gregory Grzesiak, PT is a medicare enrolled "Physical Therapist" provider in Westmont, Illinois. He graduated from medical school in 2007 and has 17 years of diverse experience with area of expertise as Physical Therapy. He is a member of the group practice First Venture Rehabilitation Clinics Llc and his current practice location is 337 W Ogden Ave, Westmont, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 323-8646.

Gregory Grzesiak is licensed to practice in Illinois (license number 070016834) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1134361967.

Contact Information

Gregory Grzesiak, PT
337 W Ogden Ave,
Westmont, IL 60559-1419
(630) 323-8646
(630) 323-8656

Map and Direction




Healthcare Provider's Profile

Full NameGregory Grzesiak
GenderMale
SpecialityPhysical Therapy
Experience17 Years
Location337 W Ogden Ave, Westmont, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gregory Grzesiak graduated from medical school in 2007
  NPI Data:
  • NPI Number: 1134361967
  • Provider Enumeration Date: 03/25/2009
  • Last Update Date: 03/05/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1052463734
  • Enrollment ID: I20090709000583

Medical Identifiers

Medical identifiers for Gregory Grzesiak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134361967NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
225100000XPhysical Therapist 070016834 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
First Venture Rehabilitation Clinics Llc03452238305

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gregory Grzesiak allows following entities to bill medicare on his behalf.
Provider NameFirst Venture Rehabilitation Clinics Llc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1255491171
PECOS PAC ID: 0345223830
Enrollment ID: O20040607001428

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gregory Grzesiak is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gregory Grzesiak, PT
337 W Ogden Ave,
Westmont, IL 60559-1419

Ph: (630) 323-8646
Gregory Grzesiak, PT
337 W Ogden Ave,
Westmont, IL 60559-1419

Ph: (630) 323-8646

Reviews and Comments


Physical Therapist in Westmont, IL

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Mrs. Cathleen Anne Jaglin, PT
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Beatrice G Damo,
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Physical Sciences Institute, Inc.
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Phone: 630-850-7901    Fax: 630-850-7903
Amy Nepywoda Doll, DPT
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Practice Location: 1010 Executive Dr, Suite 250, Westmont, IL 60559
Phone: 630-655-8785    Fax: 630-655-2759

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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