Gregory H Shimizu, MD in Fontana, CA - Medicare Internal Medicine

Gregory H Shimizu, MD is a medicare enrolled "Internal Medicine" physician in Fontana, California. He went to George Washington University School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Alertive Healthcare Medical Group Apc and his current practice location is 9961 Sierra Ave, Fontana, California. You can reach out to his office (for appointments etc.) via phone at (909) 427-3910.

Gregory H Shimizu is licensed to practice in California (license number G67137) 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 1154492130.

Contact Information

	Gregory H Shimizu, MD
	9961 Sierra Ave, Fontana, CA 92335-6720
	(909) 427-3910
	Not Available

Map and Direction

Physician's Profile

Full Name	Gregory H Shimizu
Gender	Male
Speciality	Internal Medicine
Experience	36 Years
Location	9961 Sierra Ave, Fontana, 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:

Gregory H Shimizu attended and graduated from George Washington University School Of Medicine in 1988

NPI Data:

NPI Number: 1154492130
Provider Enumeration Date: 11/13/2006
Last Update Date: 09/23/2008

Medicare PECOS Information:

PECOS PAC ID: 5395806038
Enrollment ID: I20081212000392

Medical Identifiers

Medical identifiers for Gregory H Shimizu such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1154492130	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	G67137 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Riverside Community Hospital	Riverside, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Alertive Healthcare Medical Group Apc	9335543974	22

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. Gregory H Shimizu allows following entities to bill medicare on his behalf.

Entity Name	Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1811255060 PECOS PAC ID: 8527223304 Enrollment ID: O20120628000360

Entity Name	Alertive Healthcare Medical Group Apc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1467024331 PECOS PAC ID: 9335543974 Enrollment ID: O20210804002898

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. Gregory H Shimizu 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
Gregory H Shimizu, MD 9961 Sierra Ave, Fontana, CA 92335-6720 Ph: (909) 427-3910	Gregory H Shimizu, MD 9961 Sierra Ave, Fontana, CA 92335-6720 Ph: (909) 427-3910

Reviews and Comments

Internal Medicine Doctors in Fontana, CA

Nainesh K. Gandhi, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 9985 Sierra Ave, Fontana, CA 92335 Phone: 866-454-3485
Blanca E. Viramontes, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 9961 Sierra Ave, Fontana, CA 92335 Phone: 909-427-3910
Dr. Paymon Mesgarzadeh, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 9985 Sierra Ave, Fontana, CA 92335 Phone: 909-427-5000
Kathryn Chang Lin, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 16465 Sierra Lakes Pkwy, Ste 245, Fontana, CA 92336 Phone: 909-829-7337 Fax: 909-829-1218
Lih-jiau Chen, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 9961 Sierra Ave, Fontana, CA 92335 Phone: 909-427-3910
Tommy Tiong Hien Oei, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 9961 Sierra Ave, Fontana, CA 92335 Phone: 909-427-3910
Edmond C. Hui, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 9961 Sierra Ave, Fontana, CA 92335 Phone: 909-427-3910

Gregory H Shimizu, MD - Medicare Internal Medicine in Fontana, CA