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

MS. Cynthia J Geissinger, LCSW

Individual provider Clinical Social Worker · NPI 1700252772

MS. Cynthia J Geissinger, LCSW is a Clinical Social Worker in Boulder, Colorado. Qualified in 1992, 34 years ago. Practices with Sondermind Provider Network LLC, a 1,258-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
34
Licensed in
CO
In the registry since
2015
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

1333 Iris Ave
Boulder, CO 80304-2226 Not confirmed with CMS for 11 years — call before visiting
Phone: (303) 443-8500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 1433 (CO)

Record details

NPI number1700252772
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 13, 2015
Last updated in NPPESAugust 13, 2015

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Sondermind Provider Network Llc — 1258 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Sondermind Provider Network LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1258 clinicians in the practice; 12 are shown here.

Other providers in Boulder