William Gregory Feero, MD, PHD in Westbrook, ME

William Gregory Feero, MD, PHD is a medicare enrolled "Family Medicine" physician in Westbrook, Maine. He went to University Of Pittsburgh School Of Medicine and graduated in 1998 and has 28 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Mainegeneral Medical Center and his current practice location is 1 Harnois Ave Ste 1b, Westbrook, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 662-1340.

William Gregory Feero is licensed to practice in Maine (license number MD15570) 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 1285600239.

Contact Information

	William Gregory Feero, MD, PHD
	1 Harnois Ave Ste 1b, Westbrook, ME 04092-4395
	(207) 662-1340
	(207) 662-1341

Map and Direction

Physician's Profile

Full Name	William Gregory Feero
Gender	Male
Speciality	Family Practice
Experience	28 Years
Location	1 Harnois Ave Ste 1b, Westbrook, Maine
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:

William Gregory Feero attended and graduated from University Of Pittsburgh School Of Medicine in 1998

NPI Data:

NPI Number: 1285600239
Provider Enumeration Date: 02/28/2006
Last Update Date: 05/07/2026

Medicare PECOS Information:

PECOS PAC ID: 4981646908
Enrollment ID: I20050531000562

Medical Identifiers

Medical identifiers for William Gregory Feero such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1285600239	NPI	-	NPPES
313560099	Medicaid	ME

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207Q00000X	Family Medicine	MD15570 (Maine)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Maine General Medical Center	Augusta, ME	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Mainegeneral Medical Center	1254245715	561

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. William Gregory Feero allows following entities to bill medicare on his behalf.

Entity Name	Mainegeneral Medical Center
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1669423380 PECOS PAC ID: 1254245715 Enrollment ID: O20031118000718

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. William Gregory Feero 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
William Gregory Feero, MD, PHD 1 Harnois Ave Ste 1b, Westbrook, ME 04092-4395 Ph: (207) 662-1340	William Gregory Feero, MD, PHD 1 Harnois Ave Ste 1b, Westbrook, ME 04092-4395 Ph: (207) 662-1340

Reviews and Comments

Family Medicine Doctors in Westbrook, ME

Geraldine L. Ollila, D.O. Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 2 Chabot St, Westbrook, ME 04092 Phone: 207-857-9311 Fax: 207-857-9324
Douglas C Aiken, MD Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Idexx Dr, Westbrook, ME 04092 Phone: 207-556-6802
Kristina Parisien, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 40 Park Rd, Westbrook, ME 04092 Phone: 207-857-8410
Ronald W Ashkenasy, D.O.. Family Medicine Medicare: Medicare Enrolled Practice Location: 40 Park Rd, Westbrook, ME 04092 Phone: 207-857-8174
Brigitte Salembier, D.O. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Harnois Ave, Suite 2a, Westbrook, ME 04092 Phone: 207-661-3400 Fax: 207-661-3401
Darlene Peterson, Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Harnois Ave, Westbrook, ME 04092 Phone: 207-661-3400 Fax: 207-661-3401

William Gregory Feero, MD, PHD - Medicare Family Practice in Westbrook, ME