Dr John James Hollowed Jr, MD in Laguna Hills, CA - Medicare Interventional Cardiology

Dr John James Hollowed Jr, MD is a medicare enrolled "Internal Medicine - Interventional Cardiology" physician in Laguna Hills, California. He went to Creighton University School Of Medicine and graduated in 2014 and has 12 years of diverse experience with area of expertise as Interventional Cardiology. He is a member of the group practice The Regents Of The University Of California and his current practice location is 24022 Calle De La Plata Ste 500, Laguna Hills, California. You can reach out to his office (for appointments etc.) via phone at (714) 389-1843.

Dr John James Hollowed Jr is licensed to practice in California (license number A142140) 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 1891115572.

Contact Information

	Dr John James Hollowed Jr, MD
	24022 Calle De La Plata Ste 500, Laguna Hills, CA 92653-7612
	(714) 389-1843
	(714) 445-0245

Map and Direction

Physician's Profile

Full Name	Dr John James Hollowed Jr
Gender	Male
Speciality	Interventional Cardiology
Experience	12 Years
Location	24022 Calle De La Plata Ste 500, Laguna Hills, 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:

Dr John James Hollowed Jr attended and graduated from Creighton University School Of Medicine in 2014

NPI Data:

NPI Number: 1891115572
Provider Enumeration Date: 04/22/2014
Last Update Date: 05/18/2026

Medicare PECOS Information:

PECOS PAC ID: 1254748395
Enrollment ID: I20210407002311

Medical Identifiers

Medical identifiers for Dr John James Hollowed Jr such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1891115572	NPI	-	NPPES
1700821691	Other	CA	PACIFIC CARDIOVASCULAR ASSOCIATES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RI0011X	Internal Medicine - Interventional Cardiology	A142140 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Santa Monica - Ucla Med Ctr & Orthopaedic Hospital	Santa monica, CA	Hospital
Ronald Reagan Ucla Medical Center	Los angeles, CA	Hospital
Providence Saint John's Health Center	Santa monica, CA	Hospital
Cedars-sinai Medical Center	Los angeles, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
The Regents Of The University Of California	1355248584	1428

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. Dr John James Hollowed Jr allows following entities to bill medicare on his behalf.

Entity Name	County Of Los Angeles
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1851363188 PECOS PAC ID: 1850296534 Enrollment ID: O20031204001218

Entity Name	The Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1235107566 PECOS PAC ID: 1355248584 Enrollment ID: O20031223000439

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. Dr John James Hollowed Jr 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
Dr John James Hollowed Jr, MD 3080 Bristol St Ste 150, Costa Mesa, CA 92626-3068 Ph: (714) 389-1843	Dr John James Hollowed Jr, MD 24022 Calle De La Plata Ste 500, Laguna Hills, CA 92653-7612 Ph: (714) 389-1843

Reviews and Comments

Internal Medicine Doctors in Laguna Hills, CA

Yama Ahmad Afshar, DO, MPH Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 24321 Avenida De La Carlota, Laguna Hills, CA 92653 Phone: 949-204-3006
Theodore Sy, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 26538 Moulton Pkwy Ste 38e, Laguna Hills, CA 92653 Phone: 949-448-0656
Dr. Ralph Lowell Cummings, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 24953 Paseo De Valencia Ste 15c, Laguna Hills, CA 92653 Phone: 949-859-4433 Fax: 949-589-6789
Mark S Zaremba, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 25401 Cabot Rd, Suite 107, Laguna Hills, CA 92653 Phone: 949-273-8085 Fax: 949-273-8088
Philip Edward Newman, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 24012 Calle De La Plata, Ste 150, Laguna Hills, CA 92653 Phone: 949-837-1578 Fax: 949-837-8154
Yong-sik Kim, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 24221 Calle De La Louisa Ste 200, Laguna Hills, CA 92653 Phone: 949-334-8270
Dr. James M Hawkins, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 23961 Calle De La Magdalena, #130, Laguna Hills, CA 92653 Phone: 949-465-8155 Fax: 949-465-8159

Dr John James Hollowed Jr, MD - Medicare Interventional Cardiology in Laguna Hills, CA