Mark Joseph O'connor, MD in Worcester, MA

Mark Joseph O'connor, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Worcester, Massachusetts. He went to University Of Massachusetts Medical School and graduated in 2013 and has 11 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Umass Memorial Medical Group Inc and his current practice location is 55 Lake Ave N, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 334-3206.

Mark Joseph O'connor is licensed to practice in Massachusetts (license number 266640) 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 1518300284.

Contact Information

	Mark Joseph O'connor, MD
	55 Lake Ave N, Worcester, MA 01655-0002
	(508) 334-3206
	(774) 442-4668

Map and Direction

Physician's Profile

Full Name	Mark Joseph O'connor
Gender	Male
Speciality	Endocrinology
Experience	11 Years
Location	55 Lake Ave N, Worcester, 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:

Mark Joseph O'connor attended and graduated from University Of Massachusetts Medical School in 2013

NPI Data:

NPI Number: 1518300284
Provider Enumeration Date: 04/12/2013
Last Update Date: 03/30/2021

Medicare PECOS Information:

PECOS PAC ID: 6608173950
Enrollment ID: I20161019001933

Medical Identifiers

Medical identifiers for Mark Joseph O'connor such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1518300284	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	266640 (Massachusetts)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Umass Memorial Medical Center/university Campus	Worcester, MA	Hospital
Healthalliance Hospitals, Inc	Leominster, MA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Umass Memorial Medical Group Inc	4284539891	1898

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 Joseph O'connor allows following entities to bill medicare on his behalf.

Entity Name	Umass Memorial Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1760445373 PECOS PAC ID: 4284539891 Enrollment ID: O20040113000267

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 Joseph O'connor 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 Joseph O'connor, MD Po Box 415348, Boston, MA 02241-5348 Ph: (800) 225-8885	Mark Joseph O'connor, MD 55 Lake Ave N, Worcester, MA 01655-0002 Ph: (508) 334-3206

Reviews and Comments

Internal Medicine Doctors in Worcester, MA

Dr. Adepeju Gbadebo Champion, M.D. Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 55 Lake Ave N, Worcester, MA 01655 Phone: 508-334-2731 Fax: 774-442-4672
Madaiah Lokeshwari, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 123 Summer St, Worcester, MA 01608 Phone: 508-363-6849
Sowmya Korapati, Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 55 Lake Ave N, Worcester, MA 01655 Phone: 508-334-3550 Fax: 774-442-6715
Irma Nadeem Hashmi, DO Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 55 Lake Ave N, Worcester, MA 01655 Phone: 508-334-1000
Dr. Madhav Sharma, MD Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 123 Summer St, Worcester, MA 01608 Phone: 508-363-5438
Daniel M Steigman, MD Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 123 Summer Street, Suite 390, Worcester, MA 01608 Phone: 508-368-3120 Fax: 508-368-3121
Dr. Julia D Andrieni, M.D. Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 55 Lake Ave N, Department Of General Medicine, Worcester, MA 01655 Phone: 508-334-2731

Mark Joseph O'connor, MD - Medicare Endocrinology in Worcester, MA