Christopher Mark O'brien, MD in San Diego, CA

Christopher Mark O'brien, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in San Diego, California. He went to Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University and graduated in 1998 and has 26 years of diverse experience with area of expertise as Infectious Disease. He is a member of the group practice Southern California Permanente Medical Group and his current practice location is 4647 Zion Ave, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (619) 528-5000.

Christopher Mark O'brien is licensed to practice in California (license number A70951) 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 1730250788.

Contact Information

	Christopher Mark O'brien, MD
	4647 Zion Ave, San Diego, CA 92120-2507
	(619) 528-5000
	Not Available

Map and Direction

Physician's Profile

Full Name	Christopher Mark O'brien
Gender	Male
Speciality	Infectious Disease
Experience	26 Years
Location	4647 Zion Ave, San Diego, California
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:

Christopher Mark O'brien attended and graduated from Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University in 1998

NPI Data:

NPI Number: 1730250788
Provider Enumeration Date: 11/13/2006
Last Update Date: 11/29/2021

Medicare PECOS Information:

PECOS PAC ID: 1355303926
Enrollment ID: I20041027000692

Medical Identifiers

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

Identifier	Type	State	Issuer
1730250788	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RI0200X	Internal Medicine - Infectious Disease	A70951 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Kaiser Foundation Hospital - Zion	San diego, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Southern California Permanente Medical Group	6002729175	8172

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. Christopher Mark O'brien allows following entities to bill medicare on his behalf.

Entity Name	Southern California Permanente Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1770515280 PECOS PAC ID: 6002729175 Enrollment ID: O20031110000678

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. Christopher Mark 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
Christopher Mark O'brien, MD 4647 Zion Ave, San Diego, CA 92120-2507 Ph: (619) 528-5000	Christopher Mark O'brien, MD 4647 Zion Ave, San Diego, CA 92120-2507 Ph: (619) 528-5000

Reviews and Comments

Internal Medicine Doctors in San Diego, CA

Dr. Ramin Motarjemi, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 200 W Arbor Dr, San Diego, CA 92103 Phone: 858-249-2500 Fax: 858-657-8069
Dr. Shweta Warner, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 4647 Zion Ave, San Diego, CA 92120 Phone: 619-221-6258 Fax: 619-221-6012
Dr. Matthew James Roosevelt, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 4647 Zion Ave, Department Of Hospital Medicine, San Diego, CA 92120 Phone: 619-952-5091
Dr. Daniel Joseph Desantis, MD Infectious Disease Medicare: Medicare Enrolled Practice Location: Naval Medical Ctr, 34800 Bob Wilson Dr., San Diego, CA 92134 Phone: 619-532-7935
Jedidiah Daniel Bell, Infectious Disease Medicare: Not Enrolled in Medicare Practice Location: 200 W Arbor Dr, San Diego, CA 92103 Phone: 619-471-0434
Dr. Umber Dube, MD PHD Infectious Disease Medicare: Not Enrolled in Medicare Practice Location: 8899 University Center Lane, Suite 350 Mc 0975, San Diego, CA 92122 Phone: 858-657-1675
Dr. Patricia Vold Pepper, MD, MSC, FACP Infectious Disease Medicare: May Accept Medicare Assignments Practice Location: 34800 Bob Wilson Dr, San Diego, CA 92134 Phone: 619-532-7504 Fax: 619-532-7508

Christopher Mark O'brien, MD - Medicare Infectious Disease in San Diego, CA