Mark A Chag, MD in Portsmouth, NH - Medicare Obstetrics & Gynecology

Mark A Chag, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Portsmouth, New Hampshire. His current practice location is Harbour Women's Health, 155 Griffin Road, Portsmouth, New Hampshire. You can reach out to his office (for appointments etc.) via phone at (603) 431-6011.

Mark A Chag is licensed to practice in New Hampshire (license number 6723) 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 1336179878.

Contact Information

	Mark A Chag, MD
	Harbour Women's Health, 155 Griffin Road, Portsmouth, NH 03801-4125
	(603) 431-6011
	(603) 431-6227

Map and Direction

Physician's Profile

Full Name	Mark A Chag
Gender	Male
Speciality	Obstetrics & Gynecology
Location	Harbour Women's Health, Portsmouth, New Hampshire
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1336179878
Provider Enumeration Date: 07/03/2006
Last Update Date: 03/07/2023

Medicare PECOS Information:

PECOS PAC ID: 0446296545
Enrollment ID: I20050629000320

Medical Identifiers

Medical identifiers for Mark A Chag such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1336179878	NPI	-	NPPES
10904399	Other		CAQH
82163118	Medicaid	NH

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207V00000X	Obstetrics & Gynecology	6723 (New Hampshire)	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. Mark A Chag allows following entities to bill medicare on his behalf.

Entity Name	Families First Of The Greater Seacoast
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1114935871 PECOS PAC ID: 2668380858 Enrollment ID: O20050201000804

Entity Name	Harbour Womens Health Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1720021710 PECOS PAC ID: 5395774954 Enrollment ID: O20050804000684

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. Mark A Chag 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
Mark A Chag, MD 404 Middle St, Portsmouth, NH 03801-5016 Ph: (603) 436-7344	Mark A Chag, MD Harbour Women's Health, 155 Griffin Road, Portsmouth, NH 03801-4125 Ph: (603) 431-6011

Reviews and Comments

Obstetrics & Gynecology Doctors in Portsmouth, NH

Deeptha N. Sastry, MD Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 155 Griffin Rd, Portsmouth, NH 03801 Phone: 603-431-6011 Fax: 603-431-6227
Dr. Kathleen Marie Toivanen, MD Obstetrics & Gynecology Medicare: Not Enrolled in Medicare Practice Location: 875 Greenland Rd, Orchard Park, Suite B11, Portsmouth, NH 03801 Phone: 603-436-2667 Fax: 603-436-2673
Jean C. Ryan, M.D. Obstetrics & Gynecology Medicare: Medicare Enrolled Practice Location: 875 Greenland Rd, Building A-1, Portsmouth, NH 03801 Phone: 603-436-1128 Fax: 603-431-4537
Dr. Emily Jerszyk Amarosa, MD Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 155 Griffin Rd, Portsmouth, NH 03801 Phone: 603-431-6011 Fax: 603-431-6227
Wendy A. Mclaughlin, M.D. Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 875 Greenland Rd, Building A-1, Portsmouth, NH 03801 Phone: 603-436-1128 Fax: 603-431-4537
Elizabeth Spellman, MD Obstetrics & Gynecology Medicare: Medicare Enrolled Practice Location: 155 Griffin Rd, Portsmouth, NH 03801 Phone: 603-431-6011

Mark A Chag, MD - Medicare Obstetrics & Gynecology in Portsmouth, NH