Dr Robert Patrick Williamson, MD in Wilmington, MA

Dr Robert Patrick Williamson, MD is a medicare enrolled "Internal Medicine" physician in Wilmington, Massachusetts. His current practice location is 500 Salem Street, Wilmington, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (978) 988-6000.

Dr Robert Patrick Williamson is licensed to practice in Massachusetts (license number 51661) 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 1821068305.

Contact Information

	Dr Robert Patrick Williamson, MD
	500 Salem Street, Wilmington, MA 01887
	(978) 988-6000
	(781) 396-1620

Map and Direction

Physician's Profile

Full Name	Dr Robert Patrick Williamson
Gender	Male
Speciality	Internal Medicine
Location	500 Salem Street, Wilmington, Massachusetts
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1821068305
Provider Enumeration Date: 01/25/2006
Last Update Date: 03/23/2017

Medicare PECOS Information:

PECOS PAC ID: 3870588361
Enrollment ID: I20040415000345

Medical Identifiers

Medical identifiers for Dr Robert Patrick Williamson such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1821068305	NPI	-	NPPES
6192696	Medicaid	MA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	51661 (Massachusetts)	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 Robert Patrick Williamson allows following entities to bill medicare on his behalf.

Entity Name	Winchester Physician Associates Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1184606865 PECOS PAC ID: 4486540994 Enrollment ID: O20060215000452

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 Robert Patrick Williamson 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 Robert Patrick Williamson, MD 500 Salem Street, Wilmington, MA 01887 Ph: (781) 729-1368	Dr Robert Patrick Williamson, MD 500 Salem Street, Wilmington, MA 01887 Ph: (978) 988-6000

Reviews and Comments

Internal Medicine Doctors in Wilmington, MA

Jeena Vaid, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 64c Concord St, Wilmington, MA 01887 Phone: 978-658-4432
Hoai Nu T Vo, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 64c Concord St, Wilmington, MA 01887 Phone: 978-988-9700 Fax: 978-988-9701
Dr. Neeti Jha, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 500 Salem Street, Wilmington, MA 01887 Phone: 978-988-9255 Fax: 978-964-9675
Josephine A Albano, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 25 Lowell Street, Wilmington, MA 01887 Phone: 978-657-7911 Fax: 978-657-7914
John J Sullivan, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 172 Middlesex Ave, Wilmington, MA 01887 Phone: 978-658-4432 Fax: 978-658-5751
Melissa Mazzini Zorn, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 500 Salem St, Woburn Medical Associates Pc, Wilmington, MA 01887 Phone: 978-988-9255 Fax: 978-694-9675
Kshitij Gupta, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 500 Salem St Ste 2, Wilmington, MA 01887 Phone: 978-664-1990

Dr Robert Patrick Williamson, MD - Medicare Internal Medicine in Wilmington, MA