Margaret Riordan, MD in San Francisco, CA

Margaret Riordan, MD is a medicare enrolled "Neurological Surgery" physician in San Francisco, California. She went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 2008 and has 16 years of diverse experience with area of expertise as Neurosurgery. She is a member of the group practice Alameda Health System and her current practice location is 400 Parnassus Ave, San Francisco, California. You can reach out to her office (for appointments etc.) via phone at (415) 472-1000.

Margaret Riordan is licensed to practice in California (license number 137141) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1902061955.

Contact Information

	Margaret Riordan, MD
	400 Parnassus Ave, San Francisco, CA 94143-2202
	(415) 472-1000
	Not Available

Map and Direction

Physician's Profile

Full Name	Margaret Riordan
Gender	Female
Speciality	Neurosurgery
Experience	16 Years
Location	400 Parnassus Ave, San Francisco, California
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Margaret Riordan attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 2008

NPI Data:

NPI Number: 1902061955
Provider Enumeration Date: 07/18/2008
Last Update Date: 03/17/2018

Medicare PECOS Information:

PECOS PAC ID: 4880907773
Enrollment ID: I20150721002775

Medical Identifiers

Medical identifiers for Margaret Riordan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1902061955	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207T00000X	Neurological Surgery	MD458962 (Pennsylvania)	Secondary
207T00000X	Neurological Surgery	137141 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Highland Hospital	Oakland, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Alameda Health System	3779494521	504

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. Margaret Riordan allows following entities to bill medicare on her behalf.

Entity Name	Alameda Health System
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1740332931 PECOS PAC ID: 3779494521 Enrollment ID: O20031110000764

Entity Name	Stanford Health Care
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1437292927 PECOS PAC ID: 6709797491 Enrollment ID: O20031124000348

Entity Name	University Of California San Francisco
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1861578973 PECOS PAC ID: 4486567229 Enrollment ID: O20031212000897

Entity Name	County Of Santa Clara
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1699885079 PECOS PAC ID: 1254244973 Enrollment ID: O20040113000784

Entity Name	Ucsf Medical Group Business Services
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1477624104 PECOS PAC ID: 3779497870 Enrollment ID: O20040622001513

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. Margaret Riordan 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
Margaret Riordan, MD 100 N Academy Ave, Danville, PA 17822-4903 Ph: (570) 271-6144	Margaret Riordan, MD 400 Parnassus Ave, San Francisco, CA 94143-2202 Ph: (415) 472-1000

Reviews and Comments

Neurological Surgery Doctors in San Francisco, CA

Michael Preston Heinbach, AGACNP-BC, ACCNS-AG Neurological Surgery Medicare: Medicare Enrolled Practice Location: 505 Parnassus Ave # 7long, San Francisco, CA 94143 Phone: 415-353-1387
Dr. Stephen Owen Dell, MD Neurological Surgery Medicare: Not Enrolled in Medicare Practice Location: 1 Hallidie Plz, Suite 308, San Francisco, CA 94102 Phone: 888-832-5496 Fax: 888-832-5498
Dr. Matthew G Macdougall, M.D. Neurological Surgery Medicare: Accepting Medicare Assignments Practice Location: 1100 Van Ness Ave, San Francisco, CA 94109 Phone: 415-600-0528 Fax: 415-369-1207
Dr. Daniel Raper, MBBS Neurological Surgery Medicare: Accepting Medicare Assignments Practice Location: 400 Parnassus Ave # A808, San Francisco, CA 94143 Phone: 415-353-7500 Fax: 415-353-2188
Dr. Alex Yang Lu, MD Neurological Surgery Medicare: Medicare Enrolled Practice Location: 505 Parnassus Ave Rm M779, San Francisco, CA 94143 Phone: 415-353-7500
Shawn Level Hervey-jumper, M.D. Neurological Surgery Medicare: Accepting Medicare Assignments Practice Location: 513 Parnassus Ave, San Francisco, CA 94143 Phone: 415-353-3904
Dr. Brian J Jian, MD PHD Neurological Surgery Medicare: Medicare Enrolled Practice Location: 505 Parnassus Ave Rm M-779, San Francisco, CA 94143 Phone: 415-353-3904

Margaret Riordan, MD - Medicare Neurosurgery in San Francisco, CA