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

Coral Yvonne St Onge, OD

Individual provider Optometrist · NPI 1952060873

Coral Yvonne St Onge, OD is an Optometry in San Marcos, California. Qualified in 2021, 5 years ago. Practices with Karen Peschke OD a Professional Corporation of Optometry, a 2-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Licensed in
CA
In the registry since
2021
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

838 Nordahl Rd Ste 220
San Marcos, CA 92069-3595
Phone: (760) 738-9985
Fax: (800) 838-2695
Show map & directions

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

Additional practice locations (3)

  • 251 E 4th Ave, Escondido, CA 92025-4901 — (760) 738-9985
  • 15706 Pomerado Rd Ste 103, Poway, CA 92064-2032 — (858) 451-8600
  • 1537 Grand Ave Ste A, San Marcos, CA 92078-2424 — (760) 744-3002

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT34914-TLG (CA)

Record details

NPI number1952060873
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedDecember 8, 2021
Last updated in NPPESNovember 21, 2025
Certification dateNovember 21, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Karen Peschke Od A Professional Corporation Of Optometry — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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