Gregory V Warren, MD in Milwaukee, WI

Gregory V Warren, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Milwaukee, Wisconsin. He graduated from medical school in 1975 and has 49 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice Midwest Nephrology Associates, S.c. and his current practice location is 3120 South 27th Street, Milwaukee, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (414) 672-8282.

Gregory V Warren is licensed to practice in Wisconsin (license number 26514) 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 1649262544.

Contact Information

	Gregory V Warren, MD
	3120 South 27th Street, Milwaukee, WI 53215
	(414) 672-8282
	(414) 672-8284

Map and Direction

Physician's Profile

Full Name	Gregory V Warren
Gender	Male
Speciality	Nephrology
Experience	49 Years
Location	3120 South 27th Street, Milwaukee, Wisconsin
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:

Gregory V Warren graduated from medical school in 1975

NPI Data:

NPI Number: 1649262544
Provider Enumeration Date: 08/17/2005
Last Update Date: 12/09/2021

Medicare PECOS Information:

PECOS PAC ID: 5294636429
Enrollment ID: I20090305000511

Medical Identifiers

Medical identifiers for Gregory V Warren such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1649262544	NPI	-	NPPES
3082990	Medicaid	WI

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RN0300X	Internal Medicine - Nephrology	26514 (Wisconsin)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Fresenius Medical Care Midwest Ryan Road	Oak creek, WI	Dialysis facility
Aurora St Lukes Medical Center	Milwaukee, WI	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Midwest Nephrology Associates, S.c.	8527045236	25

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. Gregory V Warren allows following entities to bill medicare on his behalf.

Entity Name	Ascension Medical Group-southeast Wisconsin Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1609881077 PECOS PAC ID: 8628980943 Enrollment ID: O20031104000421

Entity Name	Aurora Medical Group, Inc.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1427271378 PECOS PAC ID: 6709794258 Enrollment ID: O20031105000725

Entity Name	Midwest Nephrology Associates, S.c.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1659304467 PECOS PAC ID: 8527045236 Enrollment ID: O20040701000187

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. Gregory V Warren 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
Gregory V Warren, MD 335 Mahn Court, Oak Creek, WI 53154 Ph: (414) 762-2020	Gregory V Warren, MD 3120 South 27th Street, Milwaukee, WI 53215 Ph: (414) 672-8282

Reviews and Comments

Internal Medicine Doctors in Milwaukee, WI

Julia Bonner, M.D. Nephrology Medicare: Not Enrolled in Medicare Practice Location: 3351 North Downer Avenue, Milwaukee, WI 53211 Phone: 414-229-5684
Dr. Zachary Smith, DO Nephrology Medicare: Accepting Medicare Assignments Practice Location: 9200 W Wisconsin Ave, Milwaukee, WI 53226 Phone: 414-955-6830 Fax: 414-955-6214
Dr. Christopher Patrick Boyd, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 9200 W Wisconsin Ave, Milwaukee, WI 53226 Phone: 414-805-6000 Fax: 414-805-6280
Umair Bajwa, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 9200 W Wisconsin Ave, Milwaukee, WI 53226 Phone: 414-805-0812 Fax: 414-805-0855
Rasika Surajyam Chepuri, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 9200 W Wisconsin Ave, Milwaukee, WI 53226 Phone: 414-955-7040 Fax: 414-955-6211
Soryal A Soryal, M.D Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1020 N 12th St, 3rd Floor, Milwaukee, WI 53233 Phone: 414-219-7300
Aboud Affi, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1218 W Kilbourn Ave, Suite 404, Milwaukee, WI 53233 Phone: 414-291-3100

Gregory V Warren, MD - Medicare Nephrology in Milwaukee, WI