William Sanderson Twaddell, MD in Baltimore, MD

William Sanderson Twaddell, MD is a medicare enrolled "Pathology - Anatomic Pathology & Clinical Pathology" physician in Baltimore, Maryland. He went to Columbia University College Of Physicians And Surgeons and graduated in 2004 and has 21 years of diverse experience with area of expertise as Pathology. He is a member of the group practice Chester River Hospital Center, Digestive Disease Solutions Llc, Univ Of Md Pathology Associates P A and his current practice location is 22 S Greene St, Nbw73, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 328-5555.

William Sanderson Twaddell is licensed to practice in Maryland (license number D68076) 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 1538296124.

Contact Information

	William Sanderson Twaddell, MD
	22 S Greene St, Nbw73, Baltimore, MD 21201-1544
	(410) 328-5555
	(410) 328-0929

Map and Direction

Physician's Profile

Full Name	William Sanderson Twaddell
Gender	Male
Speciality	Pathology
Experience	21 Years
Location	22 S Greene St, Baltimore, Maryland
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 Sanderson Twaddell attended and graduated from Columbia University College Of Physicians And Surgeons in 2004

NPI Data:

NPI Number: 1538296124
Provider Enumeration Date: 02/28/2007
Last Update Date: 01/25/2011

Medicare PECOS Information:

PECOS PAC ID: 9133214240
Enrollment ID: I20080917000265

Medical Identifiers

Medical identifiers for William Sanderson Twaddell such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1538296124	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207ZP0101X	Pathology - Anatomic Pathology	242497-1 (New York)	Secondary
207ZP0102X	Pathology - Anatomic Pathology & Clinical Pathology	D68076 (Maryland)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
University Of Maryland Medical Center	Baltimore, MD	Hospital
Umd Shore Medical Center At Easton	Easton, MD	Hospital
University Of Md Shore Medical Ctr At Chestertown	Chestertown, MD	Hospital
University Of Md Medical Center Midtown Campus	Baltimore, MD	Hospital
University Of Md Baltimore Washington Medical Center	Glen burnie, MD	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Chester River Hospital Center	0749220671	21
Digestive Disease Solutions Llc	7517191505	3
Univ Of Md Pathology Associates P A	7517853377	18

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 Sanderson Twaddell allows following entities to bill medicare on his behalf.

Entity Name	Univ Of Md Pathology Associates P A
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1740219401 PECOS PAC ID: 7517853377 Enrollment ID: O20040226001249

Entity Name	Chester River Hospital Center
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1679536809 PECOS PAC ID: 0749220671 Enrollment ID: O20050510000504

Entity Name	Digestive Disease Solutions Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1598106239 PECOS PAC ID: 7517191505 Enrollment ID: O20131007000111

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 Sanderson Twaddell 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 Sanderson Twaddell, MD 22 S Greene St, Nbw73, Baltimore, MD 21201-1544 Ph: (410) 328-5555	William Sanderson Twaddell, MD 22 S Greene St, Nbw73, Baltimore, MD 21201-1544 Ph: (410) 328-5555

Reviews and Comments

Pathology Doctors in Baltimore, MD

Serena Maria Bagnasco, M.D. Pathology Medicare: May Accept Medicare Assignments Practice Location: 4940 Eastern Ave, Baltimore, MD 21224 Phone: 410-955-2660
Dr. Adeboye Oluwaseyi Osunkoya, M.D. Pathology Medicare: Accepting Medicare Assignments Practice Location: 401 N Broadway, Johns Hopkins Pathology , Weinberg Room 2242, Baltimore, MD 21231 Phone: 405-808-5361
Michael T. O'malley, MD Pathology Medicare: Accepting Medicare Assignments Practice Location: 2401 W Belvedere Ave, Baltimore, MD 21215 Phone: 410-644-4379 Fax: 410-644-4325
Michael Edward Kallen, M.D. Pathology Medicare: Accepting Medicare Assignments Practice Location: 401 N Broadway St, Baltimore, MD 21287 Phone: 410-955-3580 Fax: 410-614-1287
Deyin Xing, M.D. Pathology Medicare: May Accept Medicare Assignments Practice Location: 401 North Broadway, Weinberg 2268, Baltimore, MD 21231 Phone: 410-955-3580 Fax: 410-614-1287
Matthew Grant Gabrielson, Pathology Medicare: Accepting Medicare Assignments Practice Location: 600 N Wolfe St, Baltimore, MD 21287 Phone: 410-955-3980
Robert A. Palermo, M.D. Pathology Medicare: Not Enrolled in Medicare Practice Location: 6701 N Charles St, Baltimore, MD 21204 Phone: 443-849-2257 Fax: 443-849-3016

William Sanderson Twaddell, MD - Medicare Pathology in Baltimore, MD