Dr Dexter James De Guzman Asuncion, MD in Vancouver, WA

Dr Dexter James De Guzman Asuncion, MD is a medicare enrolled "Internal Medicine" physician in Vancouver, Washington. His current practice location is 1601 E Fourth Plain Blvd, Vancouver, Washington. You can reach out to his office (for appointments etc.) via phone at (360) 905-1749.

Dr Dexter James De Guzman Asuncion is licensed to practice in Washington (license number MD60070549) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1326256975.

Contact Information

	Dr Dexter James De Guzman Asuncion, MD
	1601 E Fourth Plain Blvd, Vancouver, WA 98661-3713
	(360) 905-1749
	(360) 690-0343

Map and Direction

Physician's Profile

Full Name	Dr Dexter James De Guzman Asuncion
Gender	Male
Speciality	Internal Medicine
Location	1601 E Fourth Plain Blvd, Vancouver, Washington
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1326256975
Provider Enumeration Date: 05/18/2007
Last Update Date: 03/03/2026

Medicare PECOS Information:

PECOS PAC ID: 0042354920
Enrollment ID: I20100216000208

Medical Identifiers

Medical identifiers for Dr Dexter James De Guzman Asuncion such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1326256975	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	MD60070549 (Washington)	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. Dr Dexter James De Guzman Asuncion allows following entities to bill medicare on his behalf.

Entity Name	Kaiser Foundation Health Plan Of The Northwest
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1184786527 PECOS PAC ID: 5799688230 Enrollment ID: O20040220000099

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 Dexter James De Guzman Asuncion 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 Dexter James De Guzman Asuncion, MD 1601 E Fourth Plain Blvd, Vancouver, WA 98661-3713 Ph: (360) 905-1749	Dr Dexter James De Guzman Asuncion, MD 1601 E Fourth Plain Blvd, Vancouver, WA 98661-3713 Ph: (360) 905-1749

Reviews and Comments

Internal Medicine Doctors in Vancouver, WA

Kanuboddu Nagarjuna Reddy, Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 700 Ne 87th Ave Ste 220, Vancouver, WA 98664 Phone: 360-882-2778
Dr. David Steiger, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 505 Ne 87th Ave Ste 301, Vancouver, WA 98664 Phone: 360-514-7374 Fax: 360-514-7384
Phillip M Cullison Bonner, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2211 Ne 139th St, Vancouver, WA 98686 Phone: 360-487-1000
Louise M Schultz, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 700 Ne 87th Ave, Vancouver, WA 98664 Phone: 360-882-2778
Marissa Krienke, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 700 Ne 87th Ave Ste And240, Vancouver, WA 98664 Phone: 360-882-2778
Joel David Mclarry, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 700 Ne 87th Ave, Suite 210, Vancouver, WA 98664 Phone: 360-882-2778
Dr. Samuel Everett George, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 19005 Se 34th St Bldg 3, Vancouver, WA 98683 Phone: 360-726-6720 Fax: 360-726-6729

Dr Dexter James De Guzman Asuncion, MD - Medicare Internal Medicine in Vancouver, WA