Dr Johnny Sia Gaw I, MD in Monrovia, CA - Medicare Cardiovascular Disease (cardiology)

Dr Johnny Sia Gaw I, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Monrovia, California. He graduated from medical school in 1973 and has 53 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Healthcare Partners Affiliates Medical Group and his current practice location is 831 E Huntington Dr Ste 101, Monrovia, California. You can reach out to his office (for appointments etc.) via phone at (702) 579-3203.

Dr Johnny Sia Gaw I is licensed to practice in California (license number A38464) 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 1194717512.

Contact Information

	Dr Johnny Sia Gaw I, MD
	831 E Huntington Dr Ste 101, Monrovia, CA 91016-6423
	(702) 579-3203
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Johnny Sia Gaw I
Gender	Male
Speciality	Cardiovascular Disease (cardiology)
Experience	53 Years
Location	831 E Huntington Dr Ste 101, Monrovia, 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 Johnny Sia Gaw I graduated from medical school in 1973

NPI Data:

NPI Number: 1194717512
Provider Enumeration Date: 08/22/2005
Last Update Date: 12/15/2025

Medicare PECOS Information:

PECOS PAC ID: 7416122981
Enrollment ID: I20111214000118

Medical Identifiers

Medical identifiers for Dr Johnny Sia Gaw I such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1194717512	NPI	-	NPPES
00A384640	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RC0000X	Internal Medicine - Cardiovascular Disease	A38464 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Healthcare Partners Affiliates Medical Group	7315842002	612

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 Johnny Sia Gaw I allows following entities to bill medicare on his behalf.

Entity Name	Healthcare Partners Affiliates Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1659312593 PECOS PAC ID: 7315842002 Enrollment ID: O20031204001258

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 Johnny Sia Gaw I 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 Johnny Sia Gaw I, MD Po Box 35380, Las Vegas, NV 89133-5380 Ph: (702) 579-3203	Dr Johnny Sia Gaw I, MD 831 E Huntington Dr Ste 101, Monrovia, CA 91016-6423 Ph: (702) 579-3203

Reviews and Comments

Internal Medicine Doctors in Monrovia, CA

Mika Ohtomo, M.D. Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 132 Spanner St, Monrovia, CA 91016 Phone: 626-357-6922
Dr. Diane Flessas, M.D. Cardiovascular Disease Medicare: Medicare Enrolled Practice Location: 1107 Starlit Ln, Monrovia, CA 91016 Phone: 626-818-5959
Dr. Mitchell Kushner, M.D. Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 330 W Maple Ave, Monrovia, CA 91016 Phone: 626-256-1638 Fax: 626-303-5738
Dr. David Ku, M.D. Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 604 E Huntington Dr Ste A, Monrovia, CA 91016 Phone: 626-930-8700 Fax: 626-507-3136
Karen J. Kim, MD Cardiovascular Disease Medicare: Medicare Enrolled Practice Location: 831 E Huntington Dr, Monrovia, CA 91016 Phone: 626-358-4862
Dr. Nandar Min Swe, MD Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 831 E Huntington Dr Ste 101, Monrovia, CA 91016 Phone: 626-358-0269

Dr Johnny Sia Gaw I, MD - Medicare Cardiovascular Disease (cardiology) in Monrovia, CA