Dr Thomas John Gniadek, MD PHD in Saint Louis, MO

Dr Thomas John Gniadek, MD PHD is a medicare enrolled "Pathology - Anatomic Pathology & Clinical Pathology" physician in Saint Louis, Missouri. He went to Yale University School Of Medicine and graduated in 2012 and has 14 years of diverse experience with area of expertise as Pathology. He is a member of the group practice Hennepin Healthcare System Inc and his current practice location is 1402 S Grand Blvd, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 617-2000.

Dr Thomas John Gniadek is licensed to practice in Missouri (license number 2024018547) 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 1205101334.

Contact Information

	Dr Thomas John Gniadek, MD PHD
	1402 S Grand Blvd, Saint Louis, MO 63104-1004
	(314) 617-2000
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Thomas John Gniadek
Gender	Male
Speciality	Pathology
Experience	14 Years
Location	1402 S Grand Blvd, Saint Louis, Missouri
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Thomas John Gniadek attended and graduated from Yale University School Of Medicine in 2012

NPI Data:

NPI Number: 1205101334
Provider Enumeration Date: 03/22/2012
Last Update Date: 01/07/2026

Medicare PECOS Information:

PECOS PAC ID: 8022269729
Enrollment ID: I20170522001227

Medical Identifiers

Medical identifiers for Dr Thomas John Gniadek such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1205101334	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207ZB0001X	Pathology - Blood Banking & Transfusion Medicine	036145372 (Illinois)	Secondary
207ZP0102X	Pathology - Anatomic Pathology & Clinical Pathology	036145372 (Illinois)	Secondary
207ZP0102X	Pathology - Anatomic Pathology & Clinical Pathology	2024018547 (Missouri)	Primary
207ZB0001X	Pathology - Blood Banking & Transfusion Medicine	2024018547 (Missouri)	Secondary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Hennepin Healthcare System Inc	4789684861	830

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. Dr Thomas John Gniadek allows following entities to bill medicare on his behalf.

Entity Name	Hennepin Healthcare System Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1033138136 PECOS PAC ID: 4789684861 Enrollment ID: O20070207000467

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. Dr Thomas John Gniadek 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 Address	Practice Location Address
Dr Thomas John Gniadek, MD PHD 844 Knollwood Rd, Deerfield, IL 60015-3313 Ph: (203) 806-0125	Dr Thomas John Gniadek, MD PHD 1402 S Grand Blvd, Saint Louis, MO 63104-1004 Ph: (314) 617-2000

Reviews and Comments

Pathology Doctors in Saint Louis, MO

Dr. Erin Elizabeth Ely, M.D. Pathology Medicare: Not Enrolled in Medicare Practice Location: 1300 Clark Ave, Saint Louis, MO 63103 Phone: 314-622-4971 Fax: 314-977-7615
Dr. Richard Justin Perrin, MD Pathology Medicare: Not Enrolled in Medicare Practice Location: 1 Barnes Jewish Hospital Plz, Div Pa Anatomic And Molecular Path, Saint Louis, MO 63110 Phone: 314-362-5641 Fax: 314-362-0369
Dr. Shouying Du, M.D Pathology Medicare: Accepting Medicare Assignments Practice Location: 6420 Clayton Rd, Saint Louis, MO 63117 Phone: 314-344-7525 Fax: 314-344-7226
Virgilio P Dumadag, MD Pathology Medicare: Not Enrolled in Medicare Practice Location: 3015 N Ballas Rd, Department Of Pathology, Saint Louis, MO 63131 Phone: 314-996-4285 Fax: 314-996-5551
Alexander D Babich, M.D. Pathology Medicare: Not Enrolled in Medicare Practice Location: 6420 Clayton Rd, Saint Louis, MO 63117 Phone: 314-768-8202 Fax: 314-768-7145
Mary A. Rudloff, M.D. Pathology Medicare: Not Enrolled in Medicare Practice Location: 11133 Dunn Rd, Dept. Of Pathology, Saint Louis, MO 63136 Phone: 314-653-5630 Fax: 314-653-4099
Dr. Beverly Kraemer, M.D. Pathology Medicare: Not Enrolled in Medicare Practice Location: 660 Office Pkwy, Saint Louis, MO 63141 Phone: 314-991-8015 Fax: 314-991-0691

Dr Thomas John Gniadek, MD PHD - Medicare Pathology in Saint Louis, MO