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

Dr. Matthew Reilly Estill, MD

Individual provider Internal Medicine Physician · NPI 1487629622

Dr. Matthew Reilly Estill, MD is an Internal Medicine in Ithaca, New York. Graduated from Icahn School of Medicine at Mount Sinai 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
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY, PA
In the registry since
2006
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

1780 Hanshaw Rd
Ithaca, NY 14850-9105
Phone: (607) 257-5858
Fax: (607) 257-1718
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 202366-1 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD058404L (PA)

Record details

NPI number1487629622
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 21, 2006
Last updated in NPPESMarch 9, 2021
Certification dateMarch 9, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
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 locations12 on file with Medicare

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