Loretta Margaret Obrien, MD in Livermore, CA

Loretta Margaret Obrien, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Livermore, California. Her current practice location is 4951 Arroyo Rd, Livermore Division, General Medical Clinic, Livermore, California. You can reach out to her office (for appointments etc.) via phone at (925) 373-4700.

Loretta Margaret Obrien is licensed to practice in California (license number G 87855) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1750379657.

Contact Information

	Loretta Margaret Obrien, MD
	4951 Arroyo Rd, Livermore Division, General Medical Clinic, Livermore, CA 94550-9650
	(925) 373-4700
	Not Available

Map and Direction

Physician's Profile

Full Name	Loretta Margaret Obrien
Gender	Female
Speciality	Internal Medicine - Infectious Disease
Location	4951 Arroyo Rd, Livermore, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1750379657
Provider Enumeration Date: 10/13/2005
Last Update Date: 10/23/2008

Medicare PECOS Information:

PECOS PAC ID: 5092965798
Enrollment ID: I20150529002321

Medical Identifiers

Medical identifiers for Loretta Margaret Obrien such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1750379657	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RI0200X	Internal Medicine - Infectious Disease	G 87855 (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. Loretta Margaret Obrien allows following entities to bill medicare on her behalf.

Entity Name	Sonora Community Hospital
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1033100854 PECOS PAC ID: 4284538505 Enrollment ID: O20040316000829

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. Loretta Margaret 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
Loretta Margaret Obrien, MD 4951 Arroyo Rd, Livermore Division, General Medical Clinic, Livermore, CA 94550-9650 Ph: (925) 373-4700	Loretta Margaret Obrien, MD 4951 Arroyo Rd, Livermore Division, General Medical Clinic, Livermore, CA 94550-9650 Ph: (925) 373-4700

Reviews and Comments

Internal Medicine Doctors in Livermore, CA

Andrew W. Rodgers, MD Infectious Disease Medicare: Medicare Enrolled Practice Location: 3000 Las Positas Rd, Livermore, CA 94551 Phone: 925-243-2600
Vandana Jain, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 3000 Las Positas Rd, Livermore, CA 94551 Phone: 925-243-2600
Timoteo Bautista Canio, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 3000 Las Positas Rd, Livermore, CA 94551 Phone: 925-243-2600
Dr. Ru Min Lee, M.D. Infectious Disease Medicare: Medicare Enrolled Practice Location: 1133 E Stanley Blvd Ste 207, Livermore, CA 94550 Phone: 925-454-6390
Kevin Khin-zaw Lee, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 1133 E Stanley Blvd Ste 101, Livermore, CA 94550 Phone: 925-454-4280
Gary W. Peer, MD Infectious Disease Medicare: Not Enrolled in Medicare Practice Location: 87 Fenton St Ste 101, Livermore, CA 94550 Phone: 925-447-1330 Fax: 925-447-0933
Dr. Michael Gerard Lyon, M.D. Infectious Disease Medicare: Medicare Enrolled Practice Location: 4951 Arroyo Rd, Vamc 111(ld), Livermore, CA 94550 Phone: 650-493-5000 Fax: 925-449-6522

Loretta Margaret Obrien, MD - Medicare Internal Medicine in Livermore, CA