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

Karen Dumesnil, DO

Individual provider Optometrist · NPI 1558978700

Karen Dumesnil, DO is an Optometry in Natchitoches, Louisiana. Graduated from Southern College of Optometry in 2020, 6 years ago. Practices with Charles E Lyon, MD, APMC, a 3-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
6
Trained at
Southern College of Optometry
Licensed in
LA
In the registry since
2020
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

946 Keyser Ave
Natchitoches, LA 71457-6266
Phone: (318) 357-8194
Fax: (318) 352-3145
Show map & directions

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

Additional practice locations (2)

  • 220 Highland Dr Ste B, Many, LA 71449-3768 — (318) 256-0330
  • 2611 Greenwood Rd, Shreveport, LA 71103-3907 — (318) 212-2020

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1923-859AT (LA)

Record details

NPI number1558978700
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 30, 2020
Last updated in NPPESMay 2, 2024
Certification dateMay 2, 2024
Mailing address946 Keyser Ave, Natchitoches, LA 71457-6266

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN COLLEGE OF OPTOMETRY
Graduated 2020 (6 years in practice)
Group practice Charles E Lyon, Md, Apmc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Natchitoches