Stephen O'brien, MD in Oakland, CA - Medicare Internal Medicine

Stephen O'brien, MD is a medicare enrolled "Internal Medicine" physician in Oakland, California. His current practice location is 3100 Summitt Street, 2nd Floor, Oakland, California. You can reach out to his office (for appointments etc.) via phone at (510) 869-8400.

Stephen O'brien is licensed to practice in California (license number G74654) 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 1699794453.

Contact Information

	Stephen O'brien, MD
	3100 Summitt Street, 2nd Floor, Oakland, CA 94609-0000
	(510) 869-8400
	Not Available

Map and Direction

Physician's Profile

Full Name	Stephen O'brien
Gender	Male
Speciality	Internal Medicine
Location	3100 Summitt Street, Oakland, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1699794453
Provider Enumeration Date: 07/19/2006
Last Update Date: 07/08/2007

Medicare PECOS Information:

PECOS PAC ID: 8729003900
Enrollment ID: I20051110000576

Medical Identifiers

Medical identifiers for Stephen O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1699794453	NPI	-	NPPES
00G746540	Other	CA	BLUE SHIELD
00G746570	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	G74654 (California)	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. Stephen O'brien allows following entities to bill medicare on his behalf.

Entity Name	East Bay Aids Center Medical Group,inc.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1689600314 PECOS PAC ID: 2668497843 Enrollment ID: O20051006000615

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. Stephen O'brien 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
Stephen O'brien, MD Po Box 255348, Sacramento, CA 95865-5348 Ph: (916) 854-6975	Stephen O'brien, MD 3100 Summitt Street, 2nd Floor, Oakland, CA 94609-0000 Ph: (510) 869-8400

Reviews and Comments

Internal Medicine Doctors in Oakland, CA

Jeeven Brah, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 350 Hawthorne Ave, Room 2346, Oakland, CA 94609 Phone: 510-869-6883
Sanya Wadhwa, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 300 Frank H Ogawa Plz Ste 355, Oakland, CA 94612 Phone: 510-444-3297 Fax: 510-444-6421
Michael Uzoma Ohabughiro, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1411 E 31st St Fl 2, Oakland, CA 94602 Phone: 510-437-5039 Fax: 510-535-7313
Dr. Omair Syed, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1411 E 31st Street, 2nd Flr A2, Oakland, CA 94602 Phone: 510-437-5039
Lisha Lynne Wilson, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 400 29th St, Ste 501, Oakland, CA 94609 Phone: 510-268-1800 Fax: 510-268-1803
Chee C. Chow, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 275 W Macarthur, Oakland, CA 94611 Phone: 510-752-1000
David M. Bliss, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1950 Franklin St, Oakland, CA 94612 Phone: 510-987-1000

Stephen O'brien, MD - Medicare Internal Medicine in Oakland, CA