Mercedes Ann T De Las Alas, MD in Murrieta, CA

Mercedes Ann T De Las Alas, MD is a medicare enrolled "Internal Medicine" physician in Murrieta, California. She graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Southern California Permanente Medical Group and her current practice location is 39765 Date St Ste 102, Murrieta, California. You can reach out to her office (for appointments etc.) via phone at (951) 894-4665.

Mercedes Ann T De Las Alas is licensed to practice in Wisconsin (license number 40506) 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 1477587673.

Contact Information

	Mercedes Ann T De Las Alas, MD
	39765 Date St Ste 102, Murrieta, CA 92563-2005
	(951) 894-4665
	(951) 894-5178

Map and Direction

Physician's Profile

Full Name	Mercedes Ann T De Las Alas
Gender	Female
Speciality	Internal Medicine
Experience	35 Years
Location	39765 Date St Ste 102, Murrieta, 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:

Mercedes Ann T De Las Alas graduated from medical school in 1989

NPI Data:

NPI Number: 1477587673
Provider Enumeration Date: 07/11/2006
Last Update Date: 05/07/2024

Medicare PECOS Information:

PECOS PAC ID: 0749336907
Enrollment ID: I20210629003926

Medical Identifiers

Medical identifiers for Mercedes Ann T De Las Alas such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1477587673	NPI	-	NPPES
32495900	Medicaid	WI

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	40506 (Wisconsin)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Southern California Permanente Medical Group	6002729175	8172

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. Mercedes Ann T De Las Alas allows following entities to bill medicare on her behalf.

Entity Name	Southern California Permanente Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1316979834 PECOS PAC ID: 6002729175 Enrollment ID: O20040126000823

Entity Name	Healthcare Crossing Corporation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1518953298 PECOS PAC ID: 5294721197 Enrollment ID: O20040424000455

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. Mercedes Ann T De Las Alas 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
Mercedes Ann T De Las Alas, MD 39765 Date St Ste 102, Murrieta, CA 92563-2005 Ph: (951) 894-4665	Mercedes Ann T De Las Alas, MD 39765 Date St Ste 102, Murrieta, CA 92563-2005 Ph: (951) 894-4665

Reviews and Comments

Internal Medicine Doctors in Murrieta, CA

Steven Win Chong, M.D Internal Medicine Medicare: Medicare Enrolled Practice Location: 28078 Baxter Rd, Murrieta, CA 92563 Phone: 951-290-6500
Thomas Michael Kemmerly, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 40404 California Oaks Rd Ste C, Murrieta, CA 92562 Phone: 951-600-0288
Jason A Black, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 24680 Jefferson Ave, Ste A, Murrieta, CA 92562 Phone: 951-677-2252 Fax: 888-379-5709
Herman David Lu, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 25405 Hancock Ave, Suite 216, Murrieta, CA 92562 Phone: 951-698-4600 Fax: 951-514-2542
Dr. Erick Argueta, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 28078 Baxter Rd Ste 530, Murrieta, CA 92563 Phone: 951-566-5229
Dr. Richard R Black, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 28062 Baxter Rd, Murrieta, CA 92563 Phone: 951-290-4000
Sanjay Bhojraj, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 39815 Alta Murrieta Dr, Suite C-1, Murrieta, CA 92563 Phone: 951-268-8865

Mercedes Ann T De Las Alas, MD - Medicare Internal Medicine in Murrieta, CA