Dr Derick L Ly, DO, MS in Ontario, CA

Dr Derick L Ly, DO, MS is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Ontario, California. He graduated from medical school in 2012 and has 14 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice County Of San Bernardino and his current practice location is 2940 Inland Empire Blvd, Ontario, California. You can reach out to his office (for appointments etc.) via phone at (909) 458-1350.

Dr Derick L Ly is licensed to practice in California (license number 13326) 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 1962744417.

Contact Information

	Dr Derick L Ly, DO, MS
	2940 Inland Empire Blvd, Ontario, CA 91764-4898
	(909) 458-1350
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Derick L Ly
Gender	Male
Speciality	Psychiatry
Experience	14 Years
Location	2940 Inland Empire Blvd, Ontario, 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 Derick L Ly graduated from medical school in 2012

NPI Data:

NPI Number: 1962744417
Provider Enumeration Date: 03/22/2013
Last Update Date: 03/31/2025

Medicare PECOS Information:

PECOS PAC ID: 0648558080
Enrollment ID: I20161104001996

Medical Identifiers

Medical identifiers for Dr Derick L Ly such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1962744417	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
2084P0800X	Psychiatry & Neurology - Psychiatry	13326 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
County Of San Bernardino	3870499130	62

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 Derick L Ly allows following entities to bill medicare on his behalf.

Entity Name	County Of San Bernardino
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1164467023 PECOS PAC ID: 3870499130 Enrollment ID: O20031209000420

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 Derick L Ly 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 Derick L Ly, DO, MS 303 E Vanderbilt Way, San Bernardino, CA 92415-0026 Ph: (909) 252-5149	Dr Derick L Ly, DO, MS 2940 Inland Empire Blvd, Ontario, CA 91764-4898 Ph: (909) 458-1350

Reviews and Comments

Psychiatry & Neurology Doctors in Ontario, CA

Gal Andres, MD Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 2940 Inland Empire Blvd, Ontario, CA 91764 Phone: 909-458-1350
Dr. Liana Niculina Tanase, M.D. Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 855 N Euclid Ave Ofc, Ontario, CA 91762 Phone: 909-983-2020 Fax: 909-983-6847
Jacquelyn Dang, D.O. Psychiatry & Neurology Medicare: Medicare Enrolled Practice Location: 2940 Inland Empire Blvd, Ontario, CA 91764 Phone: 909-458-1350
Dr. Amit Kapoor, MD Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 2940 Inland Empire Blvd, Ontario, CA 91764 Phone: 909-458-1350
Usha Sachdev, M.D. Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 550 N Monterey Ave, Ontario, CA 91764 Phone: 909-865-2933 Fax: 909-622-7857
Dr. David Allen Takehana, DO Psychiatry & Neurology Medicare: May Accept Medicare Assignments Practice Location: 2940 Inland Empire Blvd, Ontario, CA 91764 Phone: 909-458-1350
Ansar Mahmood Malik, MBBS Psychiatry & Neurology Medicare: Medicare Enrolled Practice Location: 3200 E Guasti Rd Ste 100, Ontario, CA 91761 Phone: 310-254-9397

Dr Derick L Ly, DO, MS - Medicare Psychiatry in Ontario, CA