Marissa Naomi Karpoff, MD in Wynnewood, PA

Marissa Naomi Karpoff, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Wynnewood, Pennsylvania. She went to Tulane University School Of Medicine and graduated in 2013 and has 13 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Cmc Department Of Medicine Group Pa, Bryn Mawr Medical Specialists Association and her current practice location is 100 E Lancaster Ave Ste 137, Wynnewood, Pennsylvania. You can reach out to her office (for appointments etc.) via phone at (610) 896-8400.

Marissa Naomi Karpoff is licensed to practice in Pennsylvania (license number MD464904) 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 1659613347.

Contact Information

	Marissa Naomi Karpoff, MD
	100 E Lancaster Ave Ste 137, Wynnewood, PA 19096-3453
	(610) 896-8400
	(610) 896-9652

Map and Direction

Physician's Profile

Full Name	Marissa Naomi Karpoff
Gender	Female
Speciality	Rheumatology
Experience	13 Years
Location	100 E Lancaster Ave Ste 137, Wynnewood, Pennsylvania
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:

Marissa Naomi Karpoff attended and graduated from Tulane University School Of Medicine in 2013

NPI Data:

NPI Number: 1659613347
Provider Enumeration Date: 03/20/2013
Last Update Date: 04/15/2026

Medicare PECOS Information:

PECOS PAC ID: 9638465537
Enrollment ID: I20190826003352

Medical Identifiers

Medical identifiers for Marissa Naomi Karpoff such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1659613347	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RR0500X	Internal Medicine - Rheumatology	MD464904 (Pennsylvania)	Primary
207RR0500X	Internal Medicine - Rheumatology	25MA10574700 (New Jersey)	Secondary
207R00000X	Internal Medicine	277829 (New York)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Cooper University Hospital	Camden, NJ	Hospital
Main Line Hospital Lankenau	Wynnewood, PA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Cmc Department Of Medicine Group Pa	2163335878	477
Bryn Mawr Medical Specialists Association	4183610934	135

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. Marissa Naomi Karpoff allows following entities to bill medicare on her behalf.

Entity Name	Cmc Dept Of Medicine Group Pa
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1386682094 PECOS PAC ID: 2163335878 Enrollment ID: O20050104000343

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. Marissa Naomi Karpoff 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
Marissa Naomi Karpoff, MD 1 Federal St # 200, Camden, NJ 08103-1088 Ph: (856) 356-4924	Marissa Naomi Karpoff, MD 100 E Lancaster Ave Ste 137, Wynnewood, PA 19096-3453 Ph: (610) 896-8400

Reviews and Comments

Internal Medicine Doctors in Wynnewood, PA

Dr. Akhnuwkh Jones, M.D. Rheumatology Medicare: Not Enrolled in Medicare Practice Location: 100 E Lancaster Ave, Wynnewood, PA 19096 Phone: 610-645-2000
Amanda B Christini, MD Rheumatology Medicare: Not Enrolled in Medicare Practice Location: 100 E Lancaster Ave, 4 Pavilion, Suite 4303, Wynnewood, PA 19096 Phone: 484-476-6421 Fax: 484-476-3149
Daniel Wang, MD Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 100 E Lancaster Ave, 4 Pavilion Ste 4303, Wynnewood, PA 19096 Phone: 484-476-6421 Fax: 484-476-3149
Margaret Mack, Rheumatology Medicare: Medicare Enrolled Practice Location: 100 E Lancaster Ave, Wynnewood, PA 19096 Phone: 610-642-3796
Xiaoling Yu, MD Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 100 E Lancaster Ave, Wynnewood, PA 19096 Phone: 484-476-6421
Dr. Eric Marc Russell, DO Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 100 E Lancaster Ave, Wynnewood, PA 19096 Phone: 610-645-2000
Dr. Jeremy Winthrop Gelber, M.D. Rheumatology Medicare: Not Enrolled in Medicare Practice Location: 330 Aubrey Rd, Wynnewood, PA 19096 Phone: 610-642-3999

Marissa Naomi Karpoff, MD - Medicare Rheumatology in Wynnewood, PA