Dr Gemma Guillermo, MD in Redwood City, CA

Dr Gemma Guillermo, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Redwood City, California. She went to Js Weill Medical College, Cornell University and graduated in 1995 and has 30 years of diverse experience with area of expertise as Psychiatry. She is a member of the group practice County Of Santa Clara and her current practice location is 170 Alameda De Las Pulgas, 1east, Sequoia Hospital, Redwood City, California. You can reach out to her office (for appointments etc.) via phone at (650) 367-5559.

Dr Gemma Guillermo is licensed to practice in California (license number 61066) 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 1831154418.

Contact Information

	Dr Gemma Guillermo, MD
	170 Alameda De Las Pulgas, 1east, Sequoia Hospital, Redwood City, CA 94062-2799
	(650) 367-5559
	(650) 368-3754

Map and Direction

Physician's Profile

Full Name	Dr Gemma Guillermo
Gender	Female
Speciality	Psychiatry
Experience	30 Years
Location	170 Alameda De Las Pulgas, Redwood City, 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:

Dr Gemma Guillermo attended and graduated from Js Weill Medical College, Cornell University in 1995

NPI Data:

NPI Number: 1831154418
Provider Enumeration Date: 04/18/2006
Last Update Date: 02/13/2019

Medicare PECOS Information:

PECOS PAC ID: 2769445113
Enrollment ID: I20041108000434

Medical Identifiers

Medical identifiers for Dr Gemma Guillermo such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1831154418	NPI	-	NPPES
3967836	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
2084P0800X	Psychiatry & Neurology - Psychiatry	61066 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
County Of Santa Clara	1254244973	824

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 Gemma Guillermo allows following entities to bill medicare on her behalf.

Entity Name	County Of San Mateo
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1679642326 PECOS PAC ID: 9032023171 Enrollment ID: O20031126000292

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

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 Gemma Guillermo 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 Gemma Guillermo, MD 2290 Vera Ave, Redwood City, CA 94061-1346 Ph: () -	Dr Gemma Guillermo, MD 170 Alameda De Las Pulgas, 1east, Sequoia Hospital, Redwood City, CA 94062-2799 Ph: (650) 367-5559

Reviews and Comments

Psychiatry & Neurology Doctors in Redwood City, CA

Dr. George L Wilkinson, M.D. Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 702 Marshall St, Suite 410, Redwood City, CA 94063 Phone: 650-367-0472 Fax: 650-367-0709
Frank Adair, M.D. Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 2639 Eaton Ave, Redwood City, CA 94062 Phone: 650-368-2573 Fax: 415-874-1952
William P. Wilkes, MD Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 1150 Veterans Blvd, Redwood City, CA 94063 Phone: 650-299-2000
Dr. Stephen E Cummings, M.D. Psychiatry & Neurology Medicare: May Accept Medicare Assignments Practice Location: 617 Veterans Blvd Ste 116, Redwood City, CA 94063 Phone: 650-206-8670
Everett J. Austin, MD Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 1150 Veterans Blvd, Redwood City, CA 94063 Phone: 650-299-2000
Dr. Leah Malhotra, M.D. Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 50 Woodside Plz # 407, Redwood City, CA 94061 Phone: 650-389-9696
Joris Anton Wiggers, M.D. Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 165 Arch St, Redwood City, CA 94062 Phone: 650-862-1155

Dr Gemma Guillermo, MD - Medicare Psychiatry in Redwood City, CA