Margaret Mary O'connor, GNP-BC in Saint Helena, CA

Margaret Mary O'connor, GNP-BC is a medicare enrolled "Nurse Practitioner - Gerontology" in Saint Helena, California. She graduated from nursing school in 2006 and has 20 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Adventist Health Physicians Network and her current practice location is 6 Woodland Rd Ste 101, Saint Helena, California. You can reach out to her office (for appointments etc.) via phone at (707) 963-7028.

Margaret Mary O'connor is licensed to practice in California (license number 95031336) 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 1538202452.

Contact Information

	Margaret Mary O'connor, GNP-BC
	6 Woodland Rd Ste 101, Saint Helena, CA 94574-9501
	(707) 963-7028
	(707) 963-7255

Map and Direction

Provider's Profile

Full Name	Margaret Mary O'connor
Gender	Female
Speciality	Nurse Practitioner
Experience	20 Years
Location	6 Woodland Rd Ste 101, Saint Helena, 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 Mary O'connor graduated from nursing school in 2006

NPI Data:

NPI Number: 1538202452
Provider Enumeration Date: 02/14/2007
Last Update Date: 05/04/2026

Medicare PECOS Information:

PECOS PAC ID: 1254436546
Enrollment ID: I20241004001748

Medical Identifiers

Medical identifiers for Margaret Mary O'connor such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1538202452	NPI	-	NPPES
P00471142	Other	FL	RAILROAD MEDICARE
308810300	Medicaid	FL

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
363LG0600X	Nurse Practitioner - Gerontology	95031336 (California)	Primary
363LG0600X	Nurse Practitioner - Gerontology	APRN3104612 (Florida)	Secondary
363LA2200X	Nurse Practitioner - Adult Health	ARNP3104612 (Florida)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Adventist Health St Helena	Saint helena, CA	Hospital
Adventist Health Clearlake	Clearlake, CA	Hospital
Queen Of The Valley Medical Center	Napa, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Adventist Health Physicians Network	3274580972	654

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 Mary O'connor allows following entities to bill medicare on her behalf.

Entity Name	Adventist Health Physicians Network
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1063718583 PECOS PAC ID: 3274580972 Enrollment ID: O20050407000633

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 Mary O'connor 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 Mary O'connor, GNP-BC 6 Woodland Rd Ste 101, Saint Helena, CA 94574-9501 Ph: (707) 963-7028	Margaret Mary O'connor, GNP-BC 6 Woodland Rd Ste 101, Saint Helena, CA 94574-9501 Ph: (707) 963-7028

Reviews and Comments

Nurse Practitioner Nurses in Saint Helena, CA

Carolyn Marie Pierce, NP Nurse Practitioner Medicare: Medicare Enrolled Practice Location: 6 Woodland Rd Ste 304, Saint Helena, CA 94574 Phone: 707-963-7200 Fax: 707-963-7203
Ms. Marlene Patricia Lennon, FNP-C Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 821 Saint Helena Hwy S Ste 2, Saint Helena, CA 94574 Phone: 707-967-7551 Fax: 707-967-7552
Mrs. Alicia Kay Florez, FNP-BC Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 10 Woodland Rd, Saint Helena, CA 94574 Phone: 707-963-2002
Alexis Shiffer, NP Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 10 Woodland Rd, Saint Helena, CA 94574 Phone: 707-738-0015
Mila Nhi Nguyen, NP Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 999 Adams St Ste 106, Saint Helena, CA 94574 Phone: 707-963-4997 Fax: 707-963-4990
Beth Lincoln, NP Nurse Practitioner Medicare: Not Enrolled in Medicare Practice Location: 1222 Pine St, Saint Helena, CA 94574 Phone: 707-963-3641 Fax: 707-963-8462
Mr. Mark Clifton Ottoson, N.P. Nurse Practitioner Medicare: Not Enrolled in Medicare Practice Location: 1370 Railroad Ave, Saint Helena, CA 94574 Phone: 707-963-4399 Fax: 707-963-4796

Margaret Mary O'connor, GNP-BC - Medicare Nurse Practitioner in Saint Helena, CA