Diarmuid A O'neill, MD in Marshfield, WI

Diarmuid A O'neill, MD is a medicare enrolled "Anesthesiology" physician in Marshfield, Wisconsin. He graduated from medical school in 1987 and has 37 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Mchs Hospitals Inc and his current practice location is 1000 N Oak Ave, Marshfield, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (715) 387-7179.

Diarmuid A O'neill is licensed to practice in Wisconsin (license number 39422) 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 1750460424.

Contact Information

	Diarmuid A O'neill, MD
	1000 N Oak Ave, Marshfield, WI 54449-5703
	(715) 387-7179
	Not Available

Map and Direction

Physician's Profile

Full Name	Diarmuid A O'neill
Gender	Male
Speciality	Anesthesiology
Experience	37 Years
Location	1000 N Oak Ave, Marshfield, Wisconsin
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:

Diarmuid A O'neill graduated from medical school in 1987

NPI Data:

NPI Number: 1750460424
Provider Enumeration Date: 11/03/2006
Last Update Date: 02/13/2023

Medicare PECOS Information:

PECOS PAC ID: 0446445167
Enrollment ID: I20101108001076

Medical Identifiers

Medical identifiers for Diarmuid A O'neill such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1750460424	NPI	-	NPPES
32385700	Medicaid	WI

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207L00000X	Anesthesiology	39422 (Wisconsin)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Marshfield Medical Center	Marshfield, WI	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Mchs Hospitals Inc	5698071173	1030

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. Diarmuid A O'neill allows following entities to bill medicare on his behalf.

Entity Name	Marshfield Clinic Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1952347981 PECOS PAC ID: 2264345206 Enrollment ID: O20031106000590

Entity Name	Mchs Hospitals Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1093221434 PECOS PAC ID: 5698071173 Enrollment ID: O20180208000096

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. Diarmuid A 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
Diarmuid A O'neill, MD 1000 N Oak Ave, Marshfield, WI 54449-5703 Ph: (715) 387-5511	Diarmuid A O'neill, MD 1000 N Oak Ave, Marshfield, WI 54449-5703 Ph: (715) 387-7179

Reviews and Comments

Anesthesiology Doctors in Marshfield, WI

Ned G Nordin, MD Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-7179
Dr. Roman Krasnov, MD Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 570-271-6211
Dr. Duane Vance Myklejord, DO Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 1000 N Oak Ave., Marshfield, WI 54449 Phone: 800-782-8581
Dr. Brennan Reece Harding, MD Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-5511
Muhammad Ubaidulhaq, MD Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-5511
Aliya Placeres, DO Anesthesiology Medicare: Medicare Enrolled Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-5511
Charles P Strachan, MD Anesthesiology Medicare: Medicare Enrolled Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-7179

Diarmuid A O'neill, MD - Medicare Anesthesiology in Marshfield, WI