Dr William Neal Duffy, MD in Conshohocken, PA

Dr William Neal Duffy, MD is a medicare enrolled "Internal Medicine" physician in Conshohocken, Pennsylvania. He went to Georgetown University School Of Medicine and graduated in 1993 and has 33 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 161 Washington St, Suite 1550, Conshohocken, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (610) 200-0250.

Dr William Neal Duffy is licensed to practice in Pennsylvania (license number MD060436L) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1538108055.

Contact Information

	Dr William Neal Duffy, MD
	161 Washington St, Suite 1550, Conshohocken, PA 19428
	(610) 200-0250
	(610) 200-0253

Map and Direction

Physician's Profile

Full Name	Dr William Neal Duffy
Gender	Male
Speciality	Internal Medicine
Experience	33 Years
Location	161 Washington St, Conshohocken, Pennsylvania
Accepts Medicare Assignments	May be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr William Neal Duffy attended and graduated from Georgetown University School Of Medicine in 1993

NPI Data:

NPI Number: 1538108055
Provider Enumeration Date: 06/06/2006
Last Update Date: 03/18/2026

Medicare PECOS Information:

PECOS PAC ID: 9537358247
Enrollment ID: I20110112000207

Medical Identifiers

Medical identifiers for Dr William Neal Duffy such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1538108055	NPI	-	NPPES
0016035740009	Medicaid	PA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	MD060436L (Pennsylvania)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Penn Medicine Home Health	Bala cynwyd, PA	Home health agency
Hospital Of Univ Of Pennsylvania	Philadelphia, PA	Hospital
Pennsylvania Hospital	Philadelphia, PA	Hospital

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 Neal Duffy allows following entities to bill medicare on his behalf.

Entity Name	Clinical Care Associates Of The University Of Pennsylvania Health.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1972682995 PECOS PAC ID: 4688588866 Enrollment ID: O20031113000301

Entity Name	University Of Penn - Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1053447151 PECOS PAC ID: 6204730955 Enrollment ID: O20150304001436

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 Neal Duffy 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 Neal Duffy, MD 161 Washington St., Suite 1550, Conshohocken, PA 19428 Ph: (610) 200-0250	Dr William Neal Duffy, MD 161 Washington St, Suite 1550, Conshohocken, PA 19428 Ph: (610) 200-0250

Reviews and Comments

Internal Medicine Doctors in Conshohocken, PA

Dr. Duduzile L Musa, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1 W Elm St, 2nd Floor, Conshohocken, PA 19428 Phone: 610-567-6964 Fax: 610-567-6170
Dr. Scott Howell Wright, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1118 Riverview Ln, Conshohocken, PA 19428 Phone: 610-525-7573
Dr. William Dean Lucht, M.D. Internal Medicine Medicare: Medicare Enrolled Practice Location: 100 E 15th Ave, Conshohocken, PA 19428 Phone: 907-317-7894 Fax: 610-825-4182
Dr. Michael David Overbeck, M.D. Internal Medicine Medicare: Medicare Enrolled Practice Location: 1100 Fayette St, Conshohocken, PA 19428 Phone: 610-828-2026 Fax: 610-828-7318
Sanjay Dabral, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1 W Elm St, 2nd Floor, Conshohocken, PA 19428 Phone: 610-567-6964 Fax: 610-567-6170
Andrea Becker, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 1100 Hector St.,, Suite 105, Conshohocken, PA 19428 Phone: 610-828-2608 Fax: 610-828-0102

Dr William Neal Duffy, MD - Medicare Internal Medicine in Conshohocken, PA