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

Dr. Karen Lynn Darkenwald, OD

Individual provider Optometrist · NPI 1124177183

Dr. Karen Lynn Darkenwald, OD is an Optometry in Sacramento, California. Qualified in 1986, 40 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Licensed in
CA
In the registry since
2007
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1650 Response Rd Optometry Dept
Sacramento, CA 95815-4807
Phone: (916) 614-4015
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 8449T (CA)

Record details

NPI number1124177183
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJanuary 9, 2007
Last updated in NPPESJanuary 27, 2022
Certification dateJanuary 27, 2022

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Sacramento