Alexander Oparin, MD in Concord, CA - Medicare Family Medicine

Alexander Oparin, MD is a medicare enrolled "Family Medicine" physician in Concord, California. His current practice location is 2041 East St Ste 1198, Concord, California. You can reach out to his office (for appointments etc.) via phone at (925) 322-1834.

Alexander Oparin is licensed to practice in California (license number A111603) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1376791152.

Contact Information

	Alexander Oparin, MD
	2041 East St Ste 1198, Concord, CA 94520-2126
	(925) 322-1834
	(925) 567-9321

Map and Direction

Physician's Profile

Full Name	Alexander Oparin
Gender	Male
Speciality	Family Medicine
Location	2041 East St Ste 1198, Concord, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1376791152
Provider Enumeration Date: 09/04/2008
Last Update Date: 06/03/2026

Medicare PECOS Information:

PECOS PAC ID: 7810175312
Enrollment ID: I20110706000099

Medical Identifiers

Medical identifiers for Alexander Oparin such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1376791152	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207Q00000X	Family Medicine	A111603 (California)	Primary

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. Alexander Oparin allows following entities to bill medicare on his behalf.

Entity Name	Permanente Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1073606299 PECOS PAC ID: 8921910225 Enrollment ID: O20031104000710

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. Alexander Oparin 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
Alexander Oparin, MD 2041 East St Ste 1198, Concord, CA 94520-2126 Ph: (925) 322-1834	Alexander Oparin, MD 2041 East St Ste 1198, Concord, CA 94520-2126 Ph: (925) 322-1834

Reviews and Comments

Family Medicine Doctors in Concord, CA

Lisa Quinones, MD Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 2700 Grant St, Ste 200, Concord, CA 94520 Phone: 925-677-0510 Fax: 925-677-0519
Dr. Detlef K. Ehling, M.D. Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 2485 High School Ave, Suite 208, Concord, CA 94520 Phone: 925-682-0390 Fax: 925-682-0391
Elisabeth Harriet Renner, M.D. Family Medicine Medicare: Medicare Enrolled Practice Location: 5161 Clayton Rd Ste F, Concord, CA 94521 Phone: 925-609-8282
Christine Margaret Henneberg, M.D. Family Medicine Medicare: Medicare Enrolled Practice Location: 2185 Pacheco St, Concord, CA 94520 Phone: 925-676-0505
Mrs. Catherine Wang, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 2001 Diamond Blvd # C-100, Concord, CA 94520 Phone: 415-291-0480 Fax: 415-252-7176
Dr. Bernard Arthur Wolf, M.D. Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 2415 High School Ave Ste 300, Concord, CA 94520 Phone: 925-685-8894 Fax: 925-609-7558

Alexander Oparin, MD - Medicare Family Medicine in Concord, CA