Dr William W Oneill, MD in Naples, FL - Medicare Internal Medicine

Dr William W Oneill, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Naples, Florida. His current practice location is 399 9th St N Ste 300, Naples, Florida. You can reach out to his office (for appointments etc.) via phone at (239) 624-4299.

Dr William W Oneill is licensed to practice in Florida (license number ME173217) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1881676435.

Contact Information

	Dr William W Oneill, MD
	399 9th St N Ste 300, Naples, FL 34102-5820
	(239) 624-4299
	(239) 624-8856

Map and Direction

Physician's Profile

Full Name	Dr William W Oneill
Gender	Male
Speciality	Internal Medicine - Cardiovascular Disease
Location	399 9th St N Ste 300, Naples, Florida
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1881676435
Provider Enumeration Date: 11/18/2005
Last Update Date: 04/18/2025

Medicare PECOS Information:

PECOS PAC ID: 9830084706
Enrollment ID: I20120801000346

Medical Identifiers

Medical identifiers for Dr William W Oneill such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1881676435	NPI	-	NPPES
2772965-00	Medicaid	FL
AA352X	Other	FL	MEDICARE ID-TYPE UNSPECIFIED

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RC0000X	Internal Medicine - Cardiovascular Disease	4301039889 (Michigan)	Secondary
207RI0011X	Internal Medicine - Interventional Cardiology	ME0097328 (Florida)	Secondary
207RI0011X	Internal Medicine - Interventional Cardiology	4301039889 (Michigan)	Secondary
207RC0000X	Internal Medicine - Cardiovascular Disease	ME173217 (Florida)	Primary

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 William W Oneill allows following entities to bill medicare on his behalf.

Entity Name	Henry Ford Health System
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1134144801 PECOS PAC ID: 0547178311 Enrollment ID: O20031105000139

Entity Name	W.a. Foote Memorial Hospital, Inc.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1629000708 PECOS PAC ID: 0244136067 Enrollment ID: O20040612000395

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 William W Oneill 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 William W Oneill, MD 2799 W Grand Blvd, K14 Office B1417, Detroit, MI 48202-2608 Ph: (313) 916-1878	Dr William W Oneill, MD 399 9th St N Ste 300, Naples, FL 34102-5820 Ph: (239) 624-4299

Reviews and Comments

Internal Medicine Doctors in Naples, FL

Dr. Manrique Oscar Iriarte, M.D. Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 800 Goodlette Rd Ste 200, Naples, FL 34102 Phone: 239-302-3300
Ricardo Martinez, MD Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 851 5th Ave N Ste 102, Naples, FL 34102 Phone: 239-315-7801 Fax: 855-888-3291
Dr. Karen Moss Ezrine, M.D. Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 762 Regency Reserve Cir, Naples, FL 34119 Phone: 239-354-1998
Dr. Lawrence Kenneth Harris, MD Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 2171 Pine Ridge Rd, Suite F, Naples, FL 34109 Phone: 239-566-7425 Fax: 239-593-3430
Dr. Todd D Brodie, M.D. Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 661 Goodlette Road Suite 104, Naples, FL 34102 Phone: 239-436-3666 Fax: 239-436-3678
Dr. Frank Michael Elterman, D.O. Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 2338 Immokalee Rd Ste 141, Naples, FL 34110 Phone: 239-330-2933
Vincent Charles Bianca Iii, MD Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 9015 Strada Stell Ct, Suite 201, Naples, FL 34109 Phone: 239-597-5638 Fax: 239-597-5628

Dr William W Oneill, MD - Medicare Internal Medicine in Naples, FL