Gregory A Marshall, MD in Walnut Creek, CA

Gregory A Marshall, MD is a medicare enrolled "Urology" physician in Walnut Creek, California. His current practice location is 1425 S Main St, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (925) 295-4000.

Gregory A Marshall is licensed to practice in California (license number G65068) 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 1437237526.

Contact Information

	Gregory A Marshall, MD
	1425 S Main St, Walnut Creek, CA 94596-5318
	(925) 295-4000
	Not Available

Map and Direction

Physician's Profile

Full Name	Gregory A Marshall
Gender	Male
Speciality	Urology
Location	1425 S Main St, Walnut Creek, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1437237526
Provider Enumeration Date: 11/02/2006
Last Update Date: 07/08/2007

Medicare PECOS Information:

PECOS PAC ID: 7810176245
Enrollment ID: I20110131000982

Medical Identifiers

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

Identifier	Type	State	Issuer
1437237526	NPI	-	NPPES
00G650680	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208800000X	Urology	G65068 (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. Gregory A Marshall 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. Gregory A Marshall 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 A Marshall, MD 1800 Harrison St Fl 7, Oakland, CA 94612-3429 Ph: (510) 625-6262	Gregory A Marshall, MD 1425 S Main St, Walnut Creek, CA 94596-5318 Ph: (925) 295-4000

Reviews and Comments

Urology Doctors in Walnut Creek, CA

Dr. Parminder Sethi, M.D. Urology Medicare: Accepting Medicare Assignments Practice Location: 100 N Wiget Ln, Ste 290, Walnut Creek, CA 94598 Phone: 925-937-7740 Fax: 925-933-9868
Robert Darrell Cannon, M.D. Urology Medicare: Not Enrolled in Medicare Practice Location: 2717 Ptarmigan Dr Apt 2, Walnut Creek, CA 94595 Phone: 925-954-7885
Dr. Amir Hossein Arsanjani, MD Urology Medicare: Accepting Medicare Assignments Practice Location: 1425 S Main St, Medical Office Building First Floor, Walnut Creek, CA 94596 Phone: 925-295-4060
Dr. Andrew David Smith, M.D. Urology Medicare: Accepting Medicare Assignments Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598 Phone: 925-395-4022 Fax: 925-395-4425
Michael J. Choi, MD Urology Medicare: Accepting Medicare Assignments Practice Location: 1425 S Main St, Walnut Creek, CA 94596 Phone: 925-295-4000
Scot M. Hagey, MD Urology Medicare: Accepting Medicare Assignments Practice Location: 1425 S Main St, Walnut Creek, CA 94596 Phone: 925-295-4000
Dr. Sidney Horatio Wilberforce, M.D. Urology Medicare: Accepting Medicare Assignments Practice Location: 1425 S Main St, 1st Floor - Urology, Walnut Creek, CA 94596 Phone: 925-295-4060 Fax: 925-295-5544

Gregory A Marshall, MD - Medicare Urology in Walnut Creek, CA