Dr Man-siak Mak, MD in Merced, CA - Medicare Gastroenterology

Dr Man-siak Mak, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Merced, California. He graduated from medical school in 1968 and has 56 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Timothy S Johnston Md Pc and his current practice location is 3349 G Street Ste. F, Merced, California. You can reach out to his office (for appointments etc.) via phone at (209) 349-8459.

Dr Man-siak Mak is licensed to practice in California (license number A26785) 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 1609875004.

Contact Information

	Dr Man-siak Mak, MD
	3349 G Street Ste. F, Merced, CA 95340
	(209) 349-8459
	(209) 580-4138

Map and Direction

Physician's Profile

Full Name	Dr Man-siak Mak
Gender	Male
Speciality	Gastroenterology
Experience	56 Years
Location	3349 G Street Ste. F, Merced, California
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:

Dr Man-siak Mak graduated from medical school in 1968

NPI Data:

NPI Number: 1609875004
Provider Enumeration Date: 07/18/2005
Last Update Date: 04/17/2019

Medicare PECOS Information:

PECOS PAC ID: 4183786122
Enrollment ID: I20081229000299

Medical Identifiers

Medical identifiers for Dr Man-siak Mak such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1609875004	NPI	-	NPPES
00A267850	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	A26785 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mercy Medical Center	Merced, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Timothy S Johnston Md Pc	1456638238	7

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 Man-siak Mak allows following entities to bill medicare on his behalf.

Entity Name	Timothy S Johnston Md Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1407306665 PECOS PAC ID: 1456638238 Enrollment ID: O20170503002455

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 Man-siak Mak 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 Man-siak Mak, MD 3349 G Street Ste. F, Merced, CA 95340 Ph: (209) 349-8459	Dr Man-siak Mak, MD 3349 G Street Ste. F, Merced, CA 95340 Ph: (209) 349-8459

Reviews and Comments

Internal Medicine Doctors in Merced, CA

Nicolas R Delapena, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 3389 G St, Suite A, Merced, CA 95340 Phone: 209-722-1205 Fax: 209-722-7833
Rajapuram Ravindra Kumar, MD Gastroenterology Medicare: Medicare Enrolled Practice Location: 780 W Olive Ave, Ste 103, Merced, CA 95348 Phone: 209-723-0783 Fax: 209-723-9452
Juan Carlos Rodriguez, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 3393 G St Ste D, Merced, CA 95340 Phone: 209-230-9065
James Gerard Reid, M.D. Gastroenterology Medicare: Medicare Enrolled Practice Location: 3385 G St, Suite A, Merced, CA 95340 Phone: 209-725-3122 Fax: 209-725-3128
Harleen Aujla, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 3351 M St Ste 125, Merced, CA 95348 Phone: 209-723-1020
Dr. Mark Altchek, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1343 W Main St, Merced, CA 95340 Phone: 209-725-1060 Fax: 209-725-1064
Parminder Singh Sidhu, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 333 Mercy Ave, Mercy Medical Center, Merced, CA 95340 Phone: 209-564-5000

Dr Man-siak Mak, MD - Medicare Gastroenterology in Merced, CA