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

Lucas A.g. Keith, MD

Individual provider Internal Medicine Physician · NPI 1639490550

Lucas A.g. Keith, MD is an Internal Medicine in Marion, New York. Graduated from Northwestern University Feinberg Medical School in 2010, 16 years ago. Practices with Strong Medical Group, a 48-clinician group and accepts Medicare assignment. Licensed in Minnesota and New York.

Years since qualifying
16
Trained at
Northwestern University Feinberg Medical School
Licensed in
MN, NY
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3669 Countryside Ln
Marion, NY 14505
Phone: (315) 926-7733
Fax: (315) 926-0731
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 292399 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 54151 (MN)

Record details

NPI number1639490550
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2010
Last updated in NPPESJune 30, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2010 (16 years in practice)
Group practice Strong Medical Group — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare