Alyssa Y Castillo, MD in Aurora, CO - Medicare Internal Medicine

Alyssa Y Castillo, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Aurora, Colorado. Her current practice location is 1635 Aurora Ct Fl 7, Aurora, Colorado. You can reach out to her office (for appointments etc.) via phone at (720) 848-0000.

Alyssa Y Castillo is licensed to practice in Colorado (license number DR.0068993) 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 1659752152.

Contact Information

	Alyssa Y Castillo, MD
	1635 Aurora Ct Fl 7, Aurora, CO 80045-2541
	(720) 848-0000
	Not Available

Map and Direction

Physician's Profile

Full Name	Alyssa Y Castillo
Gender	Female
Speciality	Internal Medicine - Infectious Disease
Location	1635 Aurora Ct Fl 7, Aurora, Colorado
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1659752152
Provider Enumeration Date: 06/11/2015
Last Update Date: 05/29/2025

Medicare PECOS Information:

PECOS PAC ID: 0749598340
Enrollment ID: I20220820000100

Medical Identifiers

Medical identifiers for Alyssa Y Castillo such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1659752152	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	L-263365 (Massachusetts)	Secondary
207RI0200X	Internal Medicine - Infectious Disease	DR.0068993 (Colorado)	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. Alyssa Y Castillo allows following entities to bill medicare on her behalf.

Entity Name	University Physicians Incorporated
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1962461889 PECOS PAC ID: 3476465667 Enrollment ID: O20031105000375

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. Alyssa Y Castillo 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
Alyssa Y Castillo, MD Po Box 110429, Aurora, CO 80042-0429 Ph: () -	Alyssa Y Castillo, MD 1635 Aurora Ct Fl 7, Aurora, CO 80045-2541 Ph: (720) 848-0000

Reviews and Comments

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Alyssa Y Castillo, MD - Medicare Internal Medicine in Aurora, CO