Gregory Krastein, MD in Oxnard, CA - Medicare Internal Medicine

Gregory Krastein, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Oxnard, California. He went to George Washington University School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Community Memorial Health System, Southern California Permanente Medical Group and his current practice location is 2103 E Gonzales Rd, Oxnard, California. You can reach out to his office (for appointments etc.) via phone at (805) 822-4595.

Gregory Krastein is licensed to practice in California (license number G70211) 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 1942358759.

Contact Information

	Gregory Krastein, MD
	2103 E Gonzales Rd, Oxnard, CA 93036-3757
	(805) 822-4595
	Not Available

Map and Direction

Physician's Profile

Full Name	Gregory Krastein
Gender	Male
Speciality	Internal Medicine
Experience	35 Years
Location	2103 E Gonzales Rd, Oxnard, 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 Krastein attended and graduated from George Washington University School Of Medicine in 1989

NPI Data:

NPI Number: 1942358759
Provider Enumeration Date: 01/08/2007
Last Update Date: 02/21/2023

Medicare PECOS Information:

PECOS PAC ID: 4587571252
Enrollment ID: I20041112001209

Medical Identifiers

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

Identifier	Type	State	Issuer
1942358759	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RN0300X	Internal Medicine - Nephrology	G70211 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Community Memorial Hospital San Buenaventura	Ventura, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Community Memorial Health System	9537155676	166
Southern California Permanente Medical Group	6002729175	7951

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 Krastein allows following entities to bill medicare on his behalf.

Entity Name	Southern California Permanente Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1770515280 PECOS PAC ID: 6002729175 Enrollment ID: O20031110000678

Entity Name	Community Memorial Health System
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1215903018 PECOS PAC ID: 9537155676 Enrollment ID: O20040422001668

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 Krastein 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 Krastein, MD 317 W Ventura Blvd # 1050, Camarillo, CA 93010-9134 Ph: (805) 822-4595	Gregory Krastein, MD 2103 E Gonzales Rd, Oxnard, CA 93036-3757 Ph: (805) 822-4595

Reviews and Comments

Internal Medicine Doctors in Oxnard, CA

Dr. Constante U Abaya, MD Nephrology Medicare: Not Enrolled in Medicare Practice Location: 1200 N Ventura Rd, # C, Oxnard, CA 93030 Phone: 805-983-0730 Fax: 805-485-4586
John R Walters, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 703 N A St, Oxnard, CA 93030 Phone: 805-485-2340 Fax: 805-485-1429
Dr. Donald Miller, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 2241 Wankel Way Ste A, Oxnard, CA 93030 Phone: 805-983-0521 Fax: 805-919-2684
Victor H Alcocer, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1901 Outlet Center Dr Ste 200, Oxnard, CA 93036 Phone: 805-981-8300 Fax: 805-981-8302
Dr. Jack Shenouda, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1600 N Rose Ave, Oxnard, CA 93030 Phone: 717-577-3938 Fax: 785-354-6349
Peter G Aline, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1901 Outlet Center Dr, #220, Oxnard, CA 93036 Phone: 805-988-4118 Fax: 805-988-1239
Dr. Romany F. Demian, M.D. Nephrology Medicare: May Accept Medicare Assignments Practice Location: 971 W 7th St # B, Suite # B, Oxnard, CA 93030 Phone: 805-483-2500 Fax: 805-483-2525

Gregory Krastein, MD - Medicare Internal Medicine in Oxnard, CA