Dr Geoffrey Riches Grambau, MD in Kalamazoo, MI

Dr Geoffrey Riches Grambau, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Kalamazoo, Michigan. His current practice location is 601 John St, Suite M-401, Kalamazoo, Michigan. You can reach out to his office (for appointments etc.) via phone at (269) 388-5864.

Dr Geoffrey Riches Grambau is licensed to practice in Michigan (license number GG035172) 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 1144324633.

Contact Information

	Dr Geoffrey Riches Grambau, MD
	601 John St, Suite M-401, Kalamazoo, MI 49007-5342
	(269) 388-5864
	(269) 388-5211

Map and Direction

Physician's Profile

Full Name	Dr Geoffrey Riches Grambau
Gender	Male
Speciality	Internal Medicine - Pulmonary Disease
Location	601 John St, Kalamazoo, Michigan
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1144324633
Provider Enumeration Date: 09/12/2006
Last Update Date: 11/27/2023

Medicare PECOS Information:

PECOS PAC ID: 6709867815
Enrollment ID: I20040603001334

Medical Identifiers

Medical identifiers for Dr Geoffrey Riches Grambau such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1144324633	NPI	-	NPPES
1386427	Medicaid	MI
4809117	Other		PHP
290C96034	Other	MI	BC/BS OF MICHIGAN
290C913410	Other		BCBS GRP PIN
290009377	Other	MI	RAILROAD MEDICARE
290394238	Other		BCBS IND PIN
4379439	Other		AETNA
4830052	Other	MI	PHP
P64591	Other	MI	BLUECARE NETWORK
114393	Other		GRT LKS HLTH PLAN
382356205107	Other	MI	COMMUNITY CHOICE OF MICH

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RP1001X	Internal Medicine - Pulmonary Disease	GG035172 (Michigan)	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 Geoffrey Riches Grambau allows following entities to bill medicare on his behalf.

Entity Name	Bronson Methodist Hospital
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1417961137 PECOS PAC ID: 0244148633 Enrollment ID: O20031208000832

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 Geoffrey Riches Grambau 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 Geoffrey Riches Grambau, MD 601 John St, Suite M401, Kalamazoo, MI 49007-5341 Ph: (269) 388-5864	Dr Geoffrey Riches Grambau, MD 601 John St, Suite M-401, Kalamazoo, MI 49007-5342 Ph: (269) 388-5864

Reviews and Comments

Internal Medicine Doctors in Kalamazoo, MI

Dr. Eric S Shay, M.D. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 601 John St, Suite M-170, Kalamazoo, MI 49007 Phone: 269-381-5060 Fax: 269-381-1655
Michael Trexler, Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1521 Gull Rd, Suite 173, Kalamazoo, MI 49048 Phone: 269-226-5165
Dr. Christopher Rogers, D.O. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 601 John St, Ste 100, Kalamazoo, MI 49007 Phone: 269-373-1222 Fax: 269-373-6270
Desmonda Brady Wixson, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 4613 W Main St Ste A, Kalamazoo, MI 49006 Phone: 269-488-8672 Fax: 269-488-8673
Dr. Kevin L. Beyer, D.O. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1535 Gull Rd, Suite 105, Kalamazoo, MI 49048 Phone: 269-385-9900 Fax: 269-385-2140
Ernest Lee Yoder, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1000 Oakland Dr, Kalamazoo, MI 49008 Phone: 269-337-6300
Valerie Siqueira Duhn, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 521 E. Michigan Ave, Ste 201, Kalamazoo, MI 49007 Phone: 269-349-6759 Fax: 369-349-7450

Dr Geoffrey Riches Grambau, MD - Medicare Internal Medicine in Kalamazoo, MI