Catherine S Yu, MD in Boston, MA - Medicare Internal Medicine

Catherine S Yu, MD is a medicare enrolled "Internal Medicine" physician in Boston, Massachusetts. She went to University Of Massachusetts Medical School and graduated in 2005 and has 21 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Lowell Community Health Center, Inc. and her current practice location is 332 Hanover St, Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 643-8000.

Catherine S Yu is licensed to practice in Massachusetts (license number 216442) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1548228455.

Contact Information

	Catherine S Yu, MD
	332 Hanover St, Boston, MA 02113-1901
	(617) 643-8000
	Not Available

Map and Direction

Physician's Profile

Full Name	Catherine S Yu
Gender	Female
Speciality	Internal Medicine
Experience	21 Years
Location	332 Hanover St, Boston, Massachusetts
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Catherine S Yu attended and graduated from University Of Massachusetts Medical School in 2005

NPI Data:

NPI Number: 1548228455
Provider Enumeration Date: 05/02/2006
Last Update Date: 04/15/2026

Medicare PECOS Information:

PECOS PAC ID: 3476587270
Enrollment ID: I20050921000615

Medical Identifiers

Medical identifiers for Catherine S Yu such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1548228455	NPI	-	NPPES
2109972	Medicaid	MA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RI0200X	Internal Medicine - Infectious Disease	216442 (Massachusetts)	Secondary
207R00000X	Internal Medicine	216442 (Massachusetts)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Lowell General Hospital	Lowell, MA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Lowell Community Health Center, Inc.	6204807944	86

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. Catherine S Yu allows following entities to bill medicare on her behalf.

Entity Name	Lowell Community Health Center Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1952307530 PECOS PAC ID: 6204807944 Enrollment ID: O20040804001749

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. Catherine S Yu 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
Catherine S Yu, MD 161 Jackson St, Lowell, MA 01852-2103 Ph: (978) 937-9700	Catherine S Yu, MD 332 Hanover St, Boston, MA 02113-1901 Ph: (617) 643-8000

Reviews and Comments

Internal Medicine Doctors in Boston, MA

Kaitlyn My-tu Lam, MBBS Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114 Phone: 617-724-7738
Kui Toh Gerard Leong, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 55 Fruit Street, Massachusetts General Hospital, Boston, MA 02114 Phone: 617-726-8862
Ruma Rajbhandari, Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 75 Francis St, Boston, MA 02115 Phone: 617-525-6841
Alaka Ray, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114 Phone: 617-726-2066
Meghan E Sise, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114 Phone: 617-726-2862
Aaron Dickstein, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 800 Washington St, Box 233, Boston, MA 02111 Phone: 617-636-5883 Fax: 617-636-9292
Dr. Felicia Elizabeth Patch, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 801 Massachusetts Ave, Crosstown 2, Boston, MA 02118 Phone: 617-414-4376 Fax: 617-414-4676

Catherine S Yu, MD - Medicare Internal Medicine in Boston, MA