Marcelo Guillmero Gareca, MD in Cortland, NY - Medicare Infectious Disease

Marcelo Guillmero Gareca, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Cortland, New York. He graduated from medical school in 1992 and has 34 years of diverse experience with area of expertise as Infectious Disease. He is a member of the group practice Guthrie Medical Group Pc and his current practice location is 11 Alvena Ave, Cortland, New York. You can reach out to his office (for appointments etc.) via phone at (607) 428-5701.

Marcelo Guillmero Gareca is licensed to practice in New York (license number 326224) 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 1346221959.

Contact Information

	Marcelo Guillmero Gareca, MD
	11 Alvena Ave, Cortland, NY 13045-1150
	(607) 428-5701
	Not Available

Map and Direction

Physician's Profile

Full Name	Marcelo Guillmero Gareca
Gender	Male
Speciality	Infectious Disease
Experience	34 Years
Location	11 Alvena Ave, Cortland, New York
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:

Marcelo Guillmero Gareca graduated from medical school in 1992

NPI Data:

NPI Number: 1346221959
Provider Enumeration Date: 11/10/2005
Last Update Date: 06/03/2026

Medicare PECOS Information:

PECOS PAC ID: 7315982410
Enrollment ID: I20240412003704

Medical Identifiers

Medical identifiers for Marcelo Guillmero Gareca such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1346221959	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RI0200X	Internal Medicine - Infectious Disease	MD065832L (Pennsylvania)	Secondary
207RI0200X	Internal Medicine - Infectious Disease	326224 (New York)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Guthrie Cortland Regional Medical Center	Cortland, NY	Hospital
Lourdes Hospital	Binghamton, NY	Hospital
Cayuga Medical Center At Ithaca	Ithaca, NY	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Guthrie Medical Group Pc	6002728656	802

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. Marcelo Guillmero Gareca allows following entities to bill medicare on his behalf.

Entity Name	Guthrie Medical Group Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1134178635 PECOS PAC ID: 6002728656 Enrollment ID: O20031103000220

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. Marcelo Guillmero Gareca 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
Marcelo Guillmero Gareca, MD 1 Guthrie Sq, Sayre, PA 18840-1625 Ph: (570) 888-5858	Marcelo Guillmero Gareca, MD 11 Alvena Ave, Cortland, NY 13045-1150 Ph: (607) 428-5701

Reviews and Comments

Internal Medicine Doctors in Cortland, NY

Dr. Ngozi C Mezu, MD Infectious Disease Medicare: Medicare Enrolled Practice Location: 134 Homer Ave, Cortland, NY 13045 Phone: 607-428-2800 Fax: 607-428-2803
Dr. Stuart William Gillim, MD Infectious Disease Medicare: Not Enrolled in Medicare Practice Location: 1969 Timmerman Hill Rd., Cortland, NY 13045 Phone: 607-835-6570
Dr. Elyn L Ring, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 6 Euclid Ave, Cortland, NY 13045 Phone: 607-756-4974
Taseer Ahmad Cheema, M.D. Infectious Disease Medicare: Not Enrolled in Medicare Practice Location: 134 Homer Ave, Cortland, NY 13045 Phone: 607-428-5074 Fax: 607-758-8210
Dr. Jared Michael Widell, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: Guthrie Cortland Medical Center, 134 Homer Avenue, Cortland, NY 13045 Phone: 607-756-3561 Fax: 607-756-3562
Mr. Clay J Vandoren, DO Infectious Disease Medicare: Medicare Enrolled Practice Location: 134 Homer Ave, Cortland, NY 13045 Phone: 607-428-5074 Fax: 607-428-5077

Marcelo Guillmero Gareca, MD - Medicare Infectious Disease in Cortland, NY