Irene Koolwijk, MD in Los Angeles, CA

Irene Koolwijk, MD is a medicare enrolled "Pediatrics - Developmental - Behavioral Pediatrics" physician in Los Angeles, California. Her current practice location is 300 Ucla Medical Plz Ste 3300, Los Angeles, California. You can reach out to her office (for appointments etc.) via phone at (310) 825-0867.

Irene Koolwijk is licensed to practice in California (license number A121627) 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 1518164706.

Contact Information

	Irene Koolwijk, MD
	300 Ucla Medical Plz Ste 3300, Los Angeles, CA 90095-6062
	(310) 825-0867
	(310) 206-4855

Map and Direction

Physician's Profile

Full Name	Irene Koolwijk
Gender	Female
Speciality	Pediatrics - Developmental - Behavioral Pediatrics
Location	300 Ucla Medical Plz Ste 3300, Los Angeles, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1518164706
Provider Enumeration Date: 06/29/2007
Last Update Date: 04/26/2021

Medicare PECOS Information:

PECOS PAC ID: 6608026273
Enrollment ID: I20121017000730

Medical Identifiers

Medical identifiers for Irene Koolwijk such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1518164706	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208000000X	Pediatrics	A121627 (California)	Secondary
2080P0008X	Pediatrics - Neurodevelopmental Disabilities	A121627 (California)	Secondary
2080P0006X	Pediatrics - Developmental - Behavioral Pediatrics	A121627 (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. Irene Koolwijk allows following entities to bill medicare on her behalf.

Entity Name	Uc Regents
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1982667663 PECOS PAC ID: 4587568829 Enrollment ID: O20031119001005

Entity Name	Childrens Hospital Los Angeles Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1265530653 PECOS PAC ID: 0143126920 Enrollment ID: O20031211000522

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. Irene Koolwijk 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
Irene Koolwijk, MD 5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631 Ph: (310) 301-8707	Irene Koolwijk, MD 300 Ucla Medical Plz Ste 3300, Los Angeles, CA 90095-6062 Ph: (310) 825-0867

Reviews and Comments

Pediatrics Doctors in Los Angeles, CA

Dr. Mark Hendrik Corden, M.D. Pediatrics Medicare: Medicare Enrolled Practice Location: 4650 W Sunset Blvd, Los Angeles, CA 90027 Phone: 323-361-8893 Fax: 323-361-1814
Ms. Roberta Miyeko Kato, MD Pediatrics Medicare: Accepting Medicare Assignments Practice Location: 4650 W Sunset Blvd, Los Angeles, CA 90027 Phone: 323-361-2101 Fax: 323-361-1355
Meera Dhirubhai Kanani, D.O. Pediatrics Medicare: Medicare Enrolled Practice Location: 1240 N Mission Rd, Los Angeles, CA 90033 Phone: 323-226-3691
Dr. Marisa Danbee Oh, D.O. Pediatrics Medicare: Medicare Enrolled Practice Location: 2020 Zonal Ave, Lac-usc Med Ctr- Interns/residents Building, Room 112, Los Angeles, CA 90089 Phone: 626-241-0704
Dr. Tiffany Prugpichailers Pedigo, M.D. Pediatrics Medicare: Medicare Enrolled Practice Location: 757 Westwood Plz, B711 Rrumc, Los Angeles, CA 90095 Phone: 310-267-9129
Neema Izadi, MD, MS Pediatrics Medicare: Accepting Medicare Assignments Practice Location: 4650 W Sunset Blvd # 75, Los Angeles, CA 90027 Phone: 323-361-2501 Fax: 323-361-1191
Jennifer Stephanie Menjivar-lopez, MD Pediatrics Medicare: Medicare Enrolled Practice Location: 3671 W 6th St Ste A, Los Angeles, CA 90020 Phone: 213-235-2500

Irene Koolwijk, MD - Medicare Pediatrics in Los Angeles, CA