Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marcelo Guillmero Gareca, MD

Individual provider Infectious Disease Physician · NPI 1346221959

Marcelo Guillmero Gareca, MD is an Infectious Disease in Cortland, New York. Qualified in 1992, 34 years ago. Practices with Guthrie Medical Group PC, a 797-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York and Pennsylvania.

Years since qualifying
34
Licensed in
NY, PA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11 Alvena Ave
Cortland, NY 13045-1150
Phone: (607) 428-5701
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 326224 (NY)
Infectious Disease Physician Taxonomy 207RI0200X · Licence MD065832L (PA)

Record details

NPI number1346221959
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 10, 2005
Last updated in NPPESJune 3, 2026
Certification dateJune 3, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Guthrie Medical Group Pc — 797 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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