Dr Timmothy O Merrigan, MD in Walnut Creek, CA

Dr Timmothy O Merrigan, MD is a medicare enrolled "Family Medicine" physician in Walnut Creek, California. He went to Medical College Of Wisconsin and graduated in 1995 and has 29 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 320 Lennon Ln, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (924) 906-2326.

Dr Timmothy O Merrigan is licensed to practice in California (license number A63055) 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 1063442945.

Contact Information

	Dr Timmothy O Merrigan, MD
	320 Lennon Ln, Walnut Creek, CA 94598-2419
	(924) 906-2326
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Timmothy O Merrigan
Gender	Male
Speciality	Family Practice
Experience	29 Years
Location	320 Lennon Ln, Walnut Creek, 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 Timmothy O Merrigan attended and graduated from Medical College Of Wisconsin in 1995

NPI Data:

NPI Number: 1063442945
Provider Enumeration Date: 07/04/2006
Last Update Date: 02/11/2022

Medicare PECOS Information:

PECOS PAC ID: 8123166501
Enrollment ID: I20091104000416

Medical Identifiers

Medical identifiers for Dr Timmothy O Merrigan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1063442945	NPI	-	NPPES
00A630550	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207Q00000X	Family Medicine	A63055 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Permanente Medical Group Inc	8921910225	8376

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 Timmothy O Merrigan 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. Dr Timmothy O Merrigan 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 Timmothy O Merrigan, MD 213 Southbrook Pl, Clayton, CA 94517-1035 Ph: (925) 997-0093	Dr Timmothy O Merrigan, MD 320 Lennon Ln, Walnut Creek, CA 94598-2419 Ph: (924) 906-2326

Reviews and Comments

Family Medicine Doctors in Walnut Creek, CA

Dr. Jasleen Sohal, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1450 Treat Blvd, Suite 120b, Walnut Creek, CA 94597 Phone: 925-296-9720 Fax: 925-296-9034
Dr. Deborah A Greer, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1450 Treat Blvd, Suite 160, Walnut Creek, CA 94597 Phone: 925-296-9000 Fax: 925-296-9071
Dr. Ruqaya Fatima, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1450 Treat Blvd, Suite 160, Walnut Creek, CA 94597 Phone: 925-286-9000 Fax: 925-296-9071
Dr. Priti H Patel, M.D. Family Medicine Medicare: Medicare Enrolled Practice Location: 1450 Treat Blvd, Suite 120b, Walnut Creek, CA 94597 Phone: 925-296-9720 Fax: 925-296-9034
Dr. Nazneen Uddin, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1220 Rossmoor Pkwy, Walnut Creek, CA 94595 Phone: 925-947-3312 Fax: 925-947-3396
Amrit Kaur Toor, Family Medicine Medicare: Medicare Enrolled Practice Location: 1450 Treat Blvd # 160, Walnut Creek, CA 94597 Phone: 925-296-9000
Dr. Ehsan Hazrat, MD Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1450 Treat Blvd Ste 160, Walnut Creek, CA 94597 Phone: 925-296-9000

Dr Timmothy O Merrigan, MD - Medicare Family Practice in Walnut Creek, CA