Dr Mark Joseph Fesler, MD in Saint Louis, MO - Medicare Hematology/oncology

Dr Mark Joseph Fesler, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Saint Louis, Missouri. He went to Saint Louis University School Of Medicine and graduated in 2003 and has 22 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Van Amburg And Busiek Mds Llc and his current practice location is 3655 Vista Ave, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 977-4340.

Dr Mark Joseph Fesler is licensed to practice in Missouri (license number 2008029015) 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 1235204066.

Contact Information

	Dr Mark Joseph Fesler, MD
	3655 Vista Ave, Saint Louis, MO 63110-2539
	(314) 977-4340
	(314) 773-1167

Map and Direction

Physician's Profile

Full Name	Dr Mark Joseph Fesler
Gender	Male
Speciality	Hematology/oncology
Experience	22 Years
Location	3655 Vista Ave, 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 Mark Joseph Fesler attended and graduated from Saint Louis University School Of Medicine in 2003

NPI Data:

NPI Number: 1235204066
Provider Enumeration Date: 11/21/2006
Last Update Date: 03/29/2021

Medicare PECOS Information:

PECOS PAC ID: 3375645880
Enrollment ID: I20100812000917

Medical Identifiers

Medical identifiers for Dr Mark Joseph Fesler such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1235204066	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	43133 (Colorado)	Secondary
207RH0003X	Internal Medicine - Hematology & Oncology	2008029015 (Missouri)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
St Lukes Hospital	Chesterfield, MO	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Van Amburg And Busiek Mds Llc	5294769246	9

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 Mark Joseph Fesler allows following entities to bill medicare on his behalf.

Entity Name	Slh Physicians Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1881668051 PECOS PAC ID: 9830132653 Enrollment ID: O20050602000941

Entity Name	Van Amburg & Busiek Mds Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1134227473 PECOS PAC ID: 5294769246 Enrollment ID: O20050920000811

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 Mark Joseph Fesler 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 Mark Joseph Fesler, MD 3655 Vista Ave, Saint Louis, MO 63110-2539 Ph: (314) 977-4340	Dr Mark Joseph Fesler, MD 3655 Vista Ave, Saint Louis, MO 63110-2539 Ph: (314) 977-4340

Reviews and Comments

Internal Medicine Doctors in Saint Louis, MO

Conor Mccartney, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 915 N Grand Blvd, Saint Louis, MO 63106 Phone: 314-652-4100
Dr. Faris Adam Bakeer, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110 Phone: 314-362-1700 Fax: 314-362-9878
Dr. Rehan Rais, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110 Phone: 314-362-1700 Fax: 314-362-9878
Nathan Farkas, M.D. Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110 Phone: 314-362-1930
Dr. Randy Olivier Laine, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110 Phone: 314-362-1700 Fax: 314-362-9878
Dr. Erin Leigh Dyer, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 4901 Forest Park Ave, Div Im General Med, Ste 241, Saint Louis, MO 63108 Phone: 314-362-5060 Fax: 314-362-6959
Nakul Shah, Hematology & Oncology Medicare: Medicare Enrolled Practice Location: 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 Phone: 314-362-5000

Dr Mark Joseph Fesler, MD - Medicare Hematology/oncology in Saint Louis, MO