Dr Andrew H Chernaik, MD in Louisville, CO - Medicare Internal Medicine

Dr Andrew H Chernaik, MD is a medicare enrolled "Internal Medicine" physician in Louisville, Colorado. His current practice location is 100 Health Park Dr, Louisville, Colorado. You can reach out to his office (for appointments etc.) via phone at (303) 673-1000.

Dr Andrew H Chernaik is licensed to practice in Colorado (license number CDRH.43063) 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 1306818620.

Contact Information

	Dr Andrew H Chernaik, MD
	100 Health Park Dr, Louisville, CO 80027-9583
	(303) 673-1000
	(303) 673-1204

Map and Direction

Physician's Profile

Full Name	Dr Andrew H Chernaik
Gender	Male
Speciality	Internal Medicine
Location	100 Health Park Dr, Louisville, Colorado
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1306818620
Provider Enumeration Date: 02/02/2006
Last Update Date: 06/29/2026

Medicare PECOS Information:

PECOS PAC ID: 0446204614
Enrollment ID: I20050310000279

Medical Identifiers

Medical identifiers for Dr Andrew H Chernaik such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1306818620	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	CDRH.43063 (Colorado)	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. Dr Andrew H Chernaik allows following entities to bill medicare on his behalf.

Entity Name	New West Physicians Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1427010859 PECOS PAC ID: 9537054614 Enrollment ID: O20040218000087

Entity Name	Optumcare Colorado Medical Group Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1407252828 PECOS PAC ID: 2769706431 Enrollment ID: O20150129000413

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. Dr Andrew H Chernaik 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
Dr Andrew H Chernaik, MD 100 Health Park Dr, Louisville, CO 80027-9583 Ph: (303) 673-1000	Dr Andrew H Chernaik, MD 100 Health Park Dr, Louisville, CO 80027-9583 Ph: (303) 673-1000

Reviews and Comments

Internal Medicine Doctors in Louisville, CO

Lauren Angela Katkish Shaw, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 100 Health Park Dr, Louisville, CO 80027 Phone: 303-673-1000 Fax: 303-673-1204
Christopher R Fox, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 892 W South Boulder Rd, Louisville, CO 80027 Phone: 303-586-5200 Fax: 303-586-5201
Derek Berg, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 100 Health Park Dr, Louisville, CO 80027 Phone: 303-643-1159 Fax: 720-874-5886
Dr. Scott Edwin Hallgren, D.O., F.A.C.P. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 80 Health Park Dr Ste 270, Louisville, CO 80027 Phone: 303-269-2085 Fax: 303-269-2089
Dr. Kelly Ann Mandagere, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 892 W South Boulder Rd, Louisville, CO 80027 Phone: 303-586-5200 Fax: 303-586-5201
Lisa A Iacofano, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 335 South Boulder Road, Suite 6, Louisville, CO 80027 Phone: 303-665-0900 Fax: 303-926-1986

Dr Andrew H Chernaik, MD - Medicare Internal Medicine in Louisville, CO