Dr Mark Stephan Ostrem, MD in Quincy, MA - Medicare Internal Medicine

Dr Mark Stephan Ostrem, MD is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Quincy, Massachusetts. He went to University Of Minnesota Medical School and graduated in 1976 and has 49 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Pembroke Medical Associates Inc and his current practice location is 54 Miller St, Suite 300, Quincy, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 481-3300.

Dr Mark Stephan Ostrem is licensed to practice in Massachusetts (license number 44501) 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 1811985633.

Contact Information

	Dr Mark Stephan Ostrem, MD
	54 Miller St, Suite 300, Quincy, MA 02169-4725
	(617) 481-3300
	(617) 481-3305

Map and Direction

Physician's Profile

Full Name	Dr Mark Stephan Ostrem
Gender	Male
Speciality	Internal Medicine
Experience	49 Years
Location	54 Miller St, Quincy, Massachusetts
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 Stephan Ostrem attended and graduated from University Of Minnesota Medical School in 1976

NPI Data:

NPI Number: 1811985633
Provider Enumeration Date: 10/06/2005
Last Update Date: 01/15/2018

Medicare PECOS Information:

PECOS PAC ID: 6305803958
Enrollment ID: I20041215000212

Medical Identifiers

Medical identifiers for Dr Mark Stephan Ostrem such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1811985633	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0300X	Internal Medicine - Geriatric Medicine	44501 (Massachusetts)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Salmon Hospice Care, Llc	Northbridge, MA	Hospice
South Shore Hospital	South weymouth, MA	Hospital
Brigham And Women's Hospital	Boston, MA	Hospital
Faulkner Hospital-brigham And Women's	Boston, MA	Hospital
Boston Home, Inc (the)	Boston, MA	Nursing home
Alliance Health At Marina Bay	Quincy, MA	Nursing home
Braintree Manor Healthcare	Braintree, MA	Nursing home

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Pembroke Medical Associates Inc	3678992955	19

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 Stephan Ostrem allows following entities to bill medicare on his behalf.

Entity Name	Compass Medical Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1962437962 PECOS PAC ID: 0840193041 Enrollment ID: O20040127000701

Entity Name	Steward Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1255600300 PECOS PAC ID: 2860688728 Enrollment ID: O20120430000164

Entity Name	Pembroke Medical Associates Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1194332759 PECOS PAC ID: 3678992955 Enrollment ID: O20201006002422

Entity Name	Pai Participant Ma Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1932984317 PECOS PAC ID: 9537513684 Enrollment ID: O20230925000533

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 Stephan Ostrem 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 Stephan Ostrem, MD 362 N Bedford St, East Bridgewater, MA 02333-1148 Ph: (617) 481-3300	Dr Mark Stephan Ostrem, MD 54 Miller St, Suite 300, Quincy, MA 02169-4725 Ph: (617) 481-3300

Reviews and Comments

Internal Medicine Doctors in Quincy, MA

Martha E Moss, M.D. Geriatric Medicine Medicare: Medicare Enrolled Practice Location: 1250 Hancock St, Internal Medicine, Quincy, MA 02169 Phone: 617-774-0840 Fax: 617-774-0882
Ahmed Z Gilani, M.D. Geriatric Medicine Medicare: Accepting Medicare Assignments Practice Location: 700 Congress Street, Suite 103, Quincy, MA 02169 Phone: 781-461-0800 Fax: 617-472-3411
Dr. Imre G Toth, M.D. Geriatric Medicine Medicare: Not Enrolled in Medicare Practice Location: 1 Enterprise Dr, Mail Stop 02-06, Quincy, MA 02171 Phone: 617-246-6830
Steven B Matfis, M.D. Geriatric Medicine Medicare: Medicare Enrolled Practice Location: 1250 Hancock St, Internal Medicine, Quincy, MA 02169 Phone: 617-774-0840 Fax: 617-774-0882
Dr. Qiao Ting Kuang, M.D. Geriatric Medicine Medicare: Medicare Enrolled Practice Location: 1250 Hancock St, Presidents Place - South Tower, Quincy, MA 02169 Phone: 617-774-0840 Fax: 617-774-0882
Jesse Reisner, DO Geriatric Medicine Medicare: Accepting Medicare Assignments Practice Location: 1495 Hancock St, Quincy, MA 02169 Phone: 781-878-5200
Guy Spinelli, M.D. Geriatric Medicine Medicare: Medicare Enrolled Practice Location: 500 Congress St, 3rd Floor, Quincy, MA 02169 Phone: 617-471-0033 Fax: 617-770-4354

Dr Mark Stephan Ostrem, MD - Medicare Internal Medicine in Quincy, MA