Fadi Siyam, MD in O Fallon, IL - Medicare Endocrinology

Fadi Siyam, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in O Fallon, Illinois. He graduated from medical school in 2005 and has 19 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Hshs Medical Group Inc and his current practice location is 775 Sunset Blvd Ste B, O Fallon, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 589-9051.

Fadi Siyam is licensed to practice in Illinois (license number 036150752) 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 1558526574.

Contact Information

	Fadi Siyam, MD
	775 Sunset Blvd Ste B, O Fallon, IL 62269-1960
	(618) 589-9051
	Not Available

Map and Direction

Physician's Profile

Full Name	Fadi Siyam
Gender	Male
Speciality	Endocrinology
Experience	19 Years
Location	775 Sunset Blvd Ste B, O Fallon, Illinois
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:

Fadi Siyam graduated from medical school in 2005

NPI Data:

NPI Number: 1558526574
Provider Enumeration Date: 07/21/2008
Last Update Date: 12/28/2021

Medicare PECOS Information:

PECOS PAC ID: 0143459420
Enrollment ID: I20191107001601

Medical Identifiers

Medical identifiers for Fadi Siyam such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1558526574	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	036150752 (Illinois)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Hshs St Elizabeth's Hospital	O fallon, IL	Hospital
St Josephs Hospital	Breese, IL	Hospital
St Joseph's Hospital	Highland, IL	Hospital
Memorial Hospital	Belleville, IL	Hospital
Sparta Community Hospital	Sparta, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Hshs Medical Group Inc	5092857821	236

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. Fadi Siyam allows following entities to bill medicare on his behalf.

Entity Name	Hshs Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1962644807 PECOS PAC ID: 5092857821 Enrollment ID: O20100116000275

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. Fadi Siyam 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
Fadi Siyam, MD 775 Sunset Blvd Ste B, O Fallon, IL 62269-1960 Ph: (618) 589-9051	Fadi Siyam, MD 775 Sunset Blvd Ste B, O Fallon, IL 62269-1960 Ph: (618) 589-9051

Reviews and Comments

Internal Medicine Doctors in O Fallon, IL

Thomas B. Cahill Jr., MD Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269 Phone: 618-233-6044 Fax: 833-973-4218
Regina Y Chiu, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269 Phone: 618-233-6044 Fax: 833-973-4218
Lori Beth Helmers, APRN Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269 Phone: 618-233-6044 Fax: 833-973-4218
Dr. Scott Benjamin Marrus, MD Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269 Phone: 618-233-6044 Fax: 833-973-4218
Vinaya Mulkareddy, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 3 Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269 Phone: 618-233-6044 Fax: 833-769-0777
Isaac Tran, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 1 Saint Elizabeth Blvd, O Fallon, IL 62269 Phone: 618-234-2120
Atul Shah, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269 Phone: 618-233-6044 Fax: 833-973-4218

Fadi Siyam, MD - Medicare Endocrinology in O Fallon, IL