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

Courtenay L Diehl, MD

Individual provider Obstetrics Physician · NPI 1306858188

Courtenay L Diehl, MD is an Obstetrics/Gynecology in Batavia, New York. Graduated from Southern Illinois University School of Medicine in 2005, 21 years ago. Practices with United Memorial Medical Center, a 273-clinician group and accepts Medicare assignment. Licensed in Minnesota and New York.

Years since qualifying
21
Trained at
Southern Illinois University School of Medicine
Licensed in
MN, NY
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.

See every abbreviation used in this directory →

Practice location Address checks out

33 Chandler Ave
Batavia, NY 14020-1684
Phone: (585) 344-4700
Fax: (585) 344-5454
Show map & directions

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

Specialties & licences

Obstetrics Physician (primary) Taxonomy 207VX0000X · Licence 253736-1 (NY)
Obstetrics Physician Taxonomy 207VX0000X · Licence 48600 (MN)

Record details

NPI number1306858188
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 12, 2006
Last updated in NPPESSeptember 15, 2022
Certification dateSeptember 15, 2022

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice United Memorial Medical Center — 273 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare