Anastas Kostojchin, MD in Lebanon, NH - Medicare Internal Medicine

Anastas Kostojchin, MD is a medicare enrolled "Internal Medicine" physician in Lebanon, New Hampshire. He graduated from medical school in 2024 and has 2 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Dartmouth-hitchcock Clinic and his current practice location is 1 Medical Center Dr, Lebanon, New Hampshire. You can reach out to his office (for appointments etc.) via phone at (603) 650-5000.

Anastas Kostojchin is licensed to practice in New Hampshire (license number 33459) 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 1700407798.

Contact Information

	Anastas Kostojchin, MD
	1 Medical Center Dr, Lebanon, NH 03756-1000
	(603) 650-5000
	(603) 640-1228

Map and Direction

Physician's Profile

Full Name	Anastas Kostojchin
Gender	Male
Speciality	Internal Medicine
Experience	2 Years
Location	1 Medical Center Dr, Lebanon, New Hampshire
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:

Anastas Kostojchin graduated from medical school in 2024

NPI Data:

NPI Number: 1700407798
Provider Enumeration Date: 04/30/2020
Last Update Date: 12/12/2025

Medicare PECOS Information:

PECOS PAC ID: 6406396746
Enrollment ID: I20240912003109

Medical Identifiers

Medical identifiers for Anastas Kostojchin such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1700407798	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	33459 (New Hampshire)	Primary
390200000X	Student In An Organized Health Care Education/training Program	(* (Not Available))	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mary Hitchcock Memorial Hospital	Lebanon, NH	Hospital
Cheshire Medical Center	Keene, NH	Hospital
Cottage Hospital	Woodsville, NH	Hospital
Valley Regional Hospital	Claremont, NH	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Dartmouth-hitchcock Clinic	4183537509	1269

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. Anastas Kostojchin allows following entities to bill medicare on his behalf.

Entity Name	Mary Hitchcock Memorial Hospital
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1023092053 PECOS PAC ID: 4486561164 Enrollment ID: O20031126000258

Entity Name	Dartmouth-hitchcock Clinic
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1548210198 PECOS PAC ID: 4183537509 Enrollment ID: O20040809000442

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. Anastas Kostojchin 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
Anastas Kostojchin, MD Po Box 810, Hanover, NH 03755-0810 Ph: (603) 308-1472	Anastas Kostojchin, MD 1 Medical Center Dr, Lebanon, NH 03756-1000 Ph: (603) 650-5000

Reviews and Comments

Internal Medicine Doctors in Lebanon, NH

Elias Loukas, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Medical Center Dr, Dhmc Section Of Hospital Medicine, Lebanon, NH 03756 Phone: 603-650-8380 Fax: 603-640-1228
Dr. Michael W Winter, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: One Medical Center Drive, Gastroenterology, Lebanon, NH 03756 Phone: 603-650-5261
Hannah Elizabeth Foote Bensimhon, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Medical Center Dr, Lebanon, NH 03756 Phone: 603-650-5000 Fax: 603-640-1228
Victoria Forbes, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Medical Center Dr, Lebanon, NH 03756 Phone: 603-650-5516
Wai Pok Vernon Chan, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Medical Center Dr, Lebanon, NH 03756 Phone: 603-650-5000
Elisabeth S Souther, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1 Medical Center Dr, Lebanon, NH 03756 Phone: 603-650-8380 Fax: 603-640-1228
Zanira Fazal, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 18 Old Etna Rd, Lebanon, NH 03766 Phone: 603-650-4000

Anastas Kostojchin, MD - Medicare Internal Medicine in Lebanon, NH