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

Dr. Karen S Collom, OD

Individual provider Optometrist · NPI 1104887629

Dr. Karen S Collom, OD is an Optometry in San Mateo, California. Graduated from University of California - School of Optometry in 1993, 33 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Trained at
University of California - School of Optometry
Licensed in
CA
In the registry since
2006
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

3162 Campus Dr
San Mateo, CA 94403-3123
Phone: (650) 345-0248
Fax: (650) 345-7313
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 10267T (CA)

Record details

NPI number1104887629
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedApril 1, 2006
Last updated in NPPESMarch 7, 2023

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF CALIFORNIA - SCHOOL OF OPTOMETRY
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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