Mark Andrew Walshauser, MD in O Fallon, IL - Medicare Hematology/oncology

Mark Andrew Walshauser, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in O Fallon, Illinois. He graduated from medical school in 2006 and has 18 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Cancer Care Specialists Of Central Illinois Sc and his current practice location is 321 Regency Park Ste 100, O Fallon, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 416-7970.

Mark Andrew Walshauser is licensed to practice in Illinois (license number 036128331) 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 1306020664.

Contact Information

	Mark Andrew Walshauser, MD
	321 Regency Park Ste 100, O Fallon, IL 62269-1887
	(618) 416-7970
	(618) 416-7971

Map and Direction

Physician's Profile

Full Name	Mark Andrew Walshauser
Gender	Male
Speciality	Hematology/oncology
Experience	18 Years
Location	321 Regency Park Ste 100, 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:

Mark Andrew Walshauser graduated from medical school in 2006

NPI Data:

NPI Number: 1306020664
Provider Enumeration Date: 12/21/2007
Last Update Date: 12/12/2023

Medicare PECOS Information:

PECOS PAC ID: 0345365227
Enrollment ID: I20140711000552

Medical Identifiers

Medical identifiers for Mark Andrew Walshauser such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1306020664	NPI	-	NPPES
036128331	Medicaid	IL

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	2010024540 (Missouri)	Secondary
207RH0003X	Internal Medicine - Hematology & Oncology	036128331 (Illinois)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Sparta Community Hospital	Sparta, IL	Hospital
St Joseph's Hospital	Highland, IL	Hospital
Hshs St Elizabeth's Hospital	O fallon, IL	Hospital
St Josephs Hospital	Breese, IL	Hospital
Hshs Holy Family Hospital Inc	Greenville, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Cancer Care Specialists Of Central Illinois Sc	5991619116	26

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. Mark Andrew Walshauser allows following entities to bill medicare on his behalf.

Entity Name	Cancer Care Specialists Of Central Illinois Sc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1871580142 PECOS PAC ID: 5991619116 Enrollment ID: O20031113000022

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. Mark Andrew Walshauser 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
Mark Andrew Walshauser, MD Po Box 25228, Decatur, IL 62525-5228 Ph: (217) 329-3232	Mark Andrew Walshauser, MD 321 Regency Park Ste 100, O Fallon, IL 62269-1887 Ph: (618) 416-7970

Reviews and Comments

Internal Medicine Doctors in O Fallon, IL

Thomas B. Cahill Jr., MD Hematology & Oncology 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. Hematology & Oncology 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 Hematology & Oncology 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 Hematology & Oncology 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. Hematology & Oncology 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. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 1 Saint Elizabeth Blvd, O Fallon, IL 62269 Phone: 618-234-2120
Atul Shah, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269 Phone: 618-233-6044 Fax: 833-973-4218

Mark Andrew Walshauser, MD - Medicare Hematology/oncology in O Fallon, IL