Dr Theresa Toquyen Nguyen, DO in Tustin, CA

Dr Theresa Toquyen Nguyen, DO is a medicare enrolled "Psychiatry & Neurology - Child & Adolescent Psychiatry" physician in Tustin, California. She graduated from medical school in 2010 and has 16 years of diverse experience with area of expertise as Psychiatry. She is a member of the group practice County Of Modoc and her current practice location is 15405 Lansdowne Rd, Tustin, California. You can reach out to her office (for appointments etc.) via phone at (925) 997-9093.

Dr Theresa Toquyen Nguyen is licensed to practice in California (license number 20A12682) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1679884928.

Contact Information

	Dr Theresa Toquyen Nguyen, DO
	15405 Lansdowne Rd, Tustin, CA 92782
	(925) 997-9093
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Theresa Toquyen Nguyen
Gender	Female
Speciality	Psychiatry
Experience	16 Years
Location	15405 Lansdowne Rd, Tustin, California
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Theresa Toquyen Nguyen graduated from medical school in 2010

NPI Data:

NPI Number: 1679884928
Provider Enumeration Date: 07/01/2010
Last Update Date: 06/28/2023

Medicare PECOS Information:

PECOS PAC ID: 0648603233
Enrollment ID: I20191212002388

Medical Identifiers

Medical identifiers for Dr Theresa Toquyen Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1679884928	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
2084P0804X	Psychiatry & Neurology - Child & Adolescent Psychiatry	007228 (Arizona)	Secondary
2084P0804X	Psychiatry & Neurology - Child & Adolescent Psychiatry	20A12682 (California)	Primary
2084P0800X	Psychiatry & Neurology - Psychiatry	20A12682 (California)	Secondary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
County Of Modoc	5193987808	7

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 Theresa Toquyen Nguyen allows following entities to bill medicare on her behalf.

Entity Name	County Of Imperial
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1225258841 PECOS PAC ID: 9739166927 Enrollment ID: O20040706000950

Entity Name	County Of Modoc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1396858668 PECOS PAC ID: 5193987808 Enrollment ID: O20120425000476

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 Theresa Toquyen Nguyen 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 Theresa Toquyen Nguyen, DO One Hospital Drive, Dc018.00, Columbia, MO 65202 Ph: () -	Dr Theresa Toquyen Nguyen, DO 15405 Lansdowne Rd, Tustin, CA 92782 Ph: (925) 997-9093

Reviews and Comments

Psychiatry & Neurology Doctors in Tustin, CA

Dr. Khaled Adam Anees, M.D. Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 13217 Jamboree Rd Ste 301, Tustin, CA 92782 Phone: 949-333-9000
Dr. Joseph Kelly, PHD Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 228 W Main St, Tustin, CA 92780 Phone: 949-558-4925
Grace Eun Kwon, D.O. Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 17452 Irvine Blvd Ste 213, Tustin, CA 92780 Phone: 714-371-6977 Fax: 800-836-2401
Dr. Amor S. Del Mundo, M.D. Psychiatry & Neurology Medicare: Medicare Enrolled Practice Location: 180 S Prospect Ave, Suite 140 B, Tustin, CA 92780 Phone: 714-310-0798 Fax: 714-508-6791
Madhu K Katakia, MD Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 18062 Irvine Blvd, 200, Tustin, CA 92780 Phone: 714-505-6030 Fax: 714-505-6032
Dr. Alireza Bozorgi, M.D., Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 515 E 1st St Ste B, Tustin, CA 92780 Phone: 714-819-0000 Fax: 714-406-3630
Neil P Butani, MD Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 2620 Walnut Ave Ste D, Tustin, CA 92780 Phone: 714-888-5766

Dr Theresa Toquyen Nguyen, DO - Medicare Psychiatry in Tustin, CA