William S Hamra, MD in Riverside, CA - Medicare Pediatric Medicine

William S Hamra, MD is a medicare enrolled "Pediatrics" physician in Riverside, California. He went to Loma Linda University School Of Medicine and graduated in 2010 and has 16 years of diverse experience with area of expertise as Pediatric Medicine. He is a member of the group practice Riverside Medical Clinic Inc and his current practice location is 6405 Day St, Riverside, California. You can reach out to his office (for appointments etc.) via phone at (951) 697-5432.

William S Hamra is licensed to practice in California (license number A120675) 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 1134445596.

Contact Information

	William S Hamra, MD
	6405 Day St, Riverside, CA 92507-0901
	(951) 697-5432
	(951) 697-5471

Map and Direction

Physician's Profile

Full Name	William S Hamra
Gender	Male
Speciality	Pediatric Medicine
Experience	16 Years
Location	6405 Day St, Riverside, 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:

William S Hamra attended and graduated from Loma Linda University School Of Medicine in 2010

NPI Data:

NPI Number: 1134445596
Provider Enumeration Date: 04/10/2010
Last Update Date: 04/14/2025

Medicare PECOS Information:

PECOS PAC ID: 4082856927
Enrollment ID: I20130806000548

Medical Identifiers

Medical identifiers for William S Hamra such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1134445596	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208000000X	Pediatrics	A120675 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Riverside Medical Clinic Inc	2961492327	174

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. William S Hamra allows following entities to bill medicare on his behalf.

Entity Name	Faculty Physicians And Surgeons Of Llusm
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1205009917 PECOS PAC ID: 1153227814 Enrollment ID: O20031211000981

Entity Name	County Of Riverside
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1023122967 PECOS PAC ID: 6507754488 Enrollment ID: O20040310001107

Entity Name	Riverside Medical Clinic Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1720183403 PECOS PAC ID: 2961492327 Enrollment ID: O20040517000880

Entity Name	Faculty Physicians And Surgeons Of Llusm
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1508255175 PECOS PAC ID: 1153227814 Enrollment ID: O20160216002196

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. William S Hamra 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
William S Hamra, MD 6405 Day St, Riverside, CA 92507-0901 Ph: (951) 697-5432	William S Hamra, MD 6405 Day St, Riverside, CA 92507-0901 Ph: (951) 697-5432

Reviews and Comments

Pediatrics Doctors in Riverside, CA

Iris Figueroa Lois, MD Pediatrics Medicare: Not Enrolled in Medicare Practice Location: 6405 Day St, Riverside, CA 92507 Phone: 951-697-5432 Fax: 951-697-5471
Dr. Stacy Marie Catalon, M.D. Pediatrics Medicare: Medicare Enrolled Practice Location: 19314 Jesse Ln, Riverside, CA 92508 Phone: 951-782-3640 Fax: 951-776-4515
Dr. Hisham Ahmad Labanieh, M.D. Pediatrics Medicare: Medicare Enrolled Practice Location: 10800 Magnolia Ave, Riverside, CA 92505 Phone: 951-353-2000
Mohammad Shujauddin Siddiqui, MD Pediatrics Medicare: Not Enrolled in Medicare Practice Location: 10769 Hole Ave, Suite 220, Riverside, CA 92505 Phone: 951-358-5554 Fax: 951-358-5980
Beth L. Drake, MD Pediatrics Medicare: Not Enrolled in Medicare Practice Location: 10800 Magnolia Ave, Riverside, CA 92505 Phone: 909-353-2000
Thomas J Chen, M.D. Pediatrics Medicare: Accepting Medicare Assignments Practice Location: 7117 Brockton Ave, Riverside, CA 92506 Phone: 951-782-3849 Fax: 951-784-3271
Clark Larkin Gifford, MD Pediatrics Medicare: Medicare Enrolled Practice Location: 7117 Brockton Ave, Riverside, CA 92506 Phone: 951-782-3685 Fax: 951-784-3256

William S Hamra, MD - Medicare Pediatric Medicine in Riverside, CA