Dr Geoffery Alan O'neill, MD in Marina Del Rey, CA

Dr Geoffery Alan O'neill, MD is a medicare enrolled "Anesthesiology" physician in Marina Del Rey, California. He went to University Of California, Geffen School Of Medicine and graduated in 2005 and has 21 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Bayside Anesthesia Medical Group and his current practice location is 3111 Via Dolce Apt 506, Marina Del Rey, California. You can reach out to his office (for appointments etc.) via phone at (310) 965-6666.

Dr Geoffery Alan O'neill is licensed to practice in California (license number A97758) 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 1871750497.

Contact Information

	Dr Geoffery Alan O'neill, MD
	3111 Via Dolce Apt 506, Marina Del Rey, CA 90292-5077
	(310) 965-6666
	(310) 929-8436

Map and Direction

Physician's Profile

Full Name	Dr Geoffery Alan O'neill
Gender	Male
Speciality	Anesthesiology
Experience	21 Years
Location	3111 Via Dolce Apt 506, Marina Del Rey, 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 Geoffery Alan O'neill attended and graduated from University Of California, Geffen School Of Medicine in 2005

NPI Data:

NPI Number: 1871750497
Provider Enumeration Date: 05/21/2008
Last Update Date: 01/02/2026

Medicare PECOS Information:

PECOS PAC ID: 5890831077
Enrollment ID: I20090930000714

Medical Identifiers

Medical identifiers for Dr Geoffery Alan O'neill such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1871750497	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207L00000X	Anesthesiology	A97758 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Providence Saint John's Health Center	Santa monica, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Bayside Anesthesia Medical Group	2466490560	38

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 Geoffery Alan O'neill allows following entities to bill medicare on his behalf.

Entity Name	Bayside Anesthesia Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1184668469 PECOS PAC ID: 2466490560 Enrollment ID: O20050419001522

Entity Name	Geoffery O'neill Md, Inc.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1073047809 PECOS PAC ID: 4981976487 Enrollment ID: O20170817003515

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 Geoffery Alan O'neill 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 Geoffery Alan O'neill, MD 3111 Via Dolce Apt 506, Marina Del Rey, CA 90292-5077 Ph: (310) 965-6666	Dr Geoffery Alan O'neill, MD 3111 Via Dolce Apt 506, Marina Del Rey, CA 90292-5077 Ph: (310) 965-6666

Reviews and Comments

Anesthesiology Doctors in Marina Del Rey, CA

Dr. Edward Barry Sadin, MD Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 1 Spinnaker St, 18, Marina Del Rey, CA 90292 Phone: 310-822-9678
Michelle Renee Itkonen, MD Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 4650 Lincoln Blvd, Marina Del Rey, CA 90292 Phone: 310-823-8911
Amy Wall Shore, M.D. Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 4553 Glencoe Ave Ste 100, Marina Del Rey, CA 90292 Phone: 949-988-7800
Seroos Salavati, M.D. Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 4650 Lincoln Blvd, Marina Del Rey, CA 90292 Phone: 310-823-8911
William F Francis Foran, M.D. Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 4650 Lincoln Blvd, Marina Del Rey, CA 90292 Phone: 310-823-8911
Dr. Terry David Krekorian, M.D. Anesthesiology Medicare: Medicare Enrolled Practice Location: 13160 Mindanao Way, Marina Del Rey, CA 90292 Phone: 310-574-0440
Luis E Torres-garcia, M.D. Anesthesiology Medicare: Medicare Enrolled Practice Location: 4650 Lincoln Blvd, Marina Del Rey, CA 90292 Phone: 310-823-8911

Dr Geoffery Alan O'neill, MD - Medicare Anesthesiology in Marina Del Rey, CA