Karen Ama-serwa Chachu, MD in Oxon Hill, MD

Karen Ama-serwa Chachu, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Oxon Hill, Maryland. She went to Washington University School Of Medicine and graduated in 2009 and has 17 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Duke Health Integrated Practice Inc and her current practice location is 125 Potomac Psge Ste 250, Oxon Hill, Maryland. You can reach out to her office (for appointments etc.) via phone at (240) 737-0085.

Karen Ama-serwa Chachu is licensed to practice in Maryland (license number D0105263) 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 1871727396.

Contact Information

	Karen Ama-serwa Chachu, MD
	125 Potomac Psge Ste 250, Oxon Hill, MD 20745-1580
	(240) 737-0085
	(202) 296-0301

Map and Direction

Physician's Profile

Full Name	Karen Ama-serwa Chachu
Gender	Female
Speciality	Gastroenterology
Experience	17 Years
Location	125 Potomac Psge Ste 250, Oxon Hill, Maryland
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:

Karen Ama-serwa Chachu attended and graduated from Washington University School Of Medicine in 2009

NPI Data:

NPI Number: 1871727396
Provider Enumeration Date: 05/12/2009
Last Update Date: 01/12/2026

Medicare PECOS Information:

PECOS PAC ID: 6507175247
Enrollment ID: I20151021000689

Medical Identifiers

Medical identifiers for Karen Ama-serwa Chachu such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1871727396	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	MD600004807 (District Of Columbia)	Secondary
207R00000X	Internal Medicine	MT194931 (Pennsylvania)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	2015-01167 (North Carolina)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	D0105263 (Maryland)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Duke University Hospital	Durham, NC	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Duke Health Integrated Practice Inc	8325412737	2794

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. Karen Ama-serwa Chachu allows following entities to bill medicare on her behalf.

Entity Name	Duke Health Integrated Practice Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1205553369 PECOS PAC ID: 8325412737 Enrollment ID: O20230327002247

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. Karen Ama-serwa Chachu 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
Karen Ama-serwa Chachu, MD 10770 Columbia Pike Ste 400, Silver Spring, MD 20901-4462 Ph: (240) 737-0085	Karen Ama-serwa Chachu, MD 125 Potomac Psge Ste 250, Oxon Hill, MD 20745-1580 Ph: (240) 737-0085

Reviews and Comments

Internal Medicine Doctors in Oxon Hill, MD

Buari Osman, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 6192 Oxon Hill Rd, Suite 409, Oxon Hill, MD 20745 Phone: 301-567-9245
Dr. Kasra Adham, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 125 Potomac Psge Ste 250, Oxon Hill, MD 20745 Phone: 240-737-0085 Fax: 202-296-0301
Dr. Edward Thomas Cullen, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 6188 Oxon Hill Road, Suite 704, Oxon Hill, MD 20745 Phone: 301-839-2790 Fax: 301-839-3042
Dr. Dennis Aloysius Cullen, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 6188 Oxon Hill Road, Suite 704, Oxon Hill, MD 20745 Phone: 301-839-2790 Fax: 301-839-3042
Sachin Mohan, Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 6710 Oxon Hill Rd, Oxon Hill, MD 20745 Phone: 301-373-7900 Fax: 301-373-6900
Daniel Alphonza Nash Jr., MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 6192 Oxon Hill Rd, Ste 207, Oxon Hill, MD 20745 Phone: 301-567-8000 Fax: 301-567-2903
Dr. Octavius Douglas Polk Jr., M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 251 National Harbor Blvd, 5th Floor, Oxon Hill, MD 20745 Phone: 301-618-2273

Karen Ama-serwa Chachu, MD - Medicare Gastroenterology in Oxon Hill, MD