James D O'brien, MD in Irvine, CA - Medicare Internal Medicine

James D O'brien, MD is a medicare enrolled "Internal Medicine" physician in Irvine, California. He went to New York Medical College and graduated in 1992 and has 32 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Spectrum Internal Medicine Associates, Inc. A Professional Corporation and his current practice location is 4870 Barranca Pkwy, Suite 250, Irvine, California. You can reach out to his office (for appointments etc.) via phone at (949) 272-3800.

James D O'brien is licensed to practice in California (license number 000000G78458) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1922188168.

Contact Information

	James D O'brien, MD
	4870 Barranca Pkwy, Suite 250, Irvine, CA 92604-4709
	(949) 272-3800
	Not Available

Map and Direction

Physician's Profile

Full Name	James D O'brien
Gender	Male
Speciality	Internal Medicine
Experience	32 Years
Location	4870 Barranca Pkwy, Irvine, California
Accepts Medicare Assignments	May be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.

Medical Education and Training:

James D O'brien attended and graduated from New York Medical College in 1992

NPI Data:

NPI Number: 1922188168
Provider Enumeration Date: 10/16/2006
Last Update Date: 04/23/2013

Medicare PECOS Information:

PECOS PAC ID: 1658469598
Enrollment ID: I20071110000190

Medical Identifiers

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

Identifier	Type	State	Issuer
1922188168	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	000000G78458 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Hoag Memorial Hospital Presbyterian	Newport beach, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Spectrum Internal Medicine Associates, Inc. A Professional Corporation	9830287770	2

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. James D O'brien allows following entities to bill medicare on his behalf.

Entity Name	Spectrum Internal Medicine Associates, Inc. A Professional Corporation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1659580744 PECOS PAC ID: 9830287770 Enrollment ID: O20071110000189

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. James D 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
James D O'brien, MD Po Box 60099, Irvine, CA 92602-6003 Ph: (949) 272-3800	James D O'brien, MD 4870 Barranca Pkwy, Suite 250, Irvine, CA 92604-4709 Ph: (949) 272-3800

Reviews and Comments

Internal Medicine Doctors in Irvine, CA

Akbar Nassiry, M.D., M.P.H. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 4000 Barranca Parkway, Ste. 250, Irvine, CA 92604 Phone: 949-577-0047 Fax: 909-635-6085
Omid Vesal, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2500 Alton Parkway, Suite 101, Irvine, CA 92606 Phone: 949-222-2722 Fax: 949-222-9969
Dr. Maria Teresa Corpin Agner, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 11 Technology Dr, Irvine, CA 92618 Phone: 855-206-6764 Fax: 949-923-3575
Dr. Susan Davoodifar, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 4199 Campus Dr, Suite 550, Irvine, CA 92612 Phone: 949-509-6503 Fax: 949-326-0103
Randa Serag, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 4708 Barranca Pkwy, Irvine, CA 92604 Phone: 949-791-3101 Fax: 949-791-3112
Tara E Seery, Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 16105 Sand Canyon Ave Ste 230, Irvine, CA 92618 Phone: 949-764-5347 Fax: 949-557-0221
Nadir Yusaf Qazi, DO Internal Medicine Medicare: Medicare Enrolled Practice Location: 113 Waterworks Way Ste 105, Irvine, CA 92618 Phone: 949-336-7293

James D O'brien, MD - Medicare Internal Medicine in Irvine, CA