Mark Stephen Obrien, DO in Ottumwa, IA - Medicare Internal Medicine

Mark Stephen Obrien, DO is a medicare enrolled "Internal Medicine" physician in Ottumwa, Iowa. His current practice location is 1001 E Pennsylvalia Ave, Ottumwa Regional Medical Center, Ottumwa, Iowa. You can reach out to his office (for appointments etc.) via phone at (641) 684-2300.

Mark Stephen Obrien is licensed to practice in Iowa (license number 02335) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1659444206.

Contact Information

	Mark Stephen Obrien, DO
	1001 E Pennsylvalia Ave, Ottumwa Regional Medical Center, Ottumwa, IA 52501
	(641) 684-2300
	Not Available

Map and Direction

Physician's Profile

Full Name	Mark Stephen Obrien
Gender	Male
Speciality	Internal Medicine
Location	1001 E Pennsylvalia Ave, Ottumwa, Iowa
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1659444206
Provider Enumeration Date: 11/15/2006
Last Update Date: 07/20/2021

Medicare PECOS Information:

PECOS PAC ID: 3375737398
Enrollment ID: I20101103000477

Medical Identifiers

Medical identifiers for Mark Stephen Obrien such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1659444206	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207Q00000X	Family Medicine	R5C60 (Missouri)	Secondary
207R00000X	Internal Medicine	02335 (Iowa)	Primary

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 Stephen Obrien allows following entities to bill medicare on his behalf.

Entity Name	Fort Madison Community Hospital
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1083764393 PECOS PAC ID: 8729971841 Enrollment ID: O20040203001066

Entity Name	Iowa Emergency Physicians Llp
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1386879427 PECOS PAC ID: 5991856064 Enrollment ID: O20090701000057

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 Stephen Obrien 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 Stephen Obrien, DO 11432 295th Road, Unionville, MO 63565 Ph: (660) 947-2138	Mark Stephen Obrien, DO 1001 E Pennsylvalia Ave, Ottumwa Regional Medical Center, Ottumwa, IA 52501 Ph: (641) 684-2300

Reviews and Comments

Internal Medicine Doctors in Ottumwa, IA

Stanley A Blew, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1005 Pennsylvania Ave, Suite 104, Ottumwa, IA 52501 Phone: 641-682-4594 Fax: 641-682-2123
Kenneth S Wayne, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1005 Pennsylvania Ave, Suite 104, Ottumwa, IA 52501 Phone: 641-682-4594 Fax: 641-682-2123
Shazia Abbas, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1005 Pennsylvania Ave, Suite 104, Ottumwa, IA 52501 Phone: 641-682-4594 Fax: 641-682-2123
Nisreen M.a. H. Yaghmour, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1005 Pennslyvania Ave, 207, Ottumwa, IA 52501 Phone: 641-682-5349 Fax: 515-246-4474
Dr. Donald Conklin, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1001 Pennsylvania Ave, Ottumwa, IA 52501 Phone: 641-984-2341
Jashim U Ahmed, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1005 Pennsylvania Ave, Suite 104, Ottumwa, IA 52501 Phone: 641-682-4594 Fax: 641-682-2123
Gerald Mathew Paluska, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 312 E Alta Vista, Addiction Medicine Clinic, Ottumwa, IA 52501 Phone: 641-684-3170 Fax: 641-684-3173

Mark Stephen Obrien, DO - Medicare Internal Medicine in Ottumwa, IA