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

Mr. Robert O Butler, LCSW

Individual provider Clinical Social Worker · NPI 1093718454

Mr. Robert O Butler, LCSW is a Clinical Social Worker in Petaluma, California. Qualified in 1977, 49 years ago. Works from 5 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
49
Licensed in
CA
In the registry since
2005
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

40 4th St Ste 224
Petaluma, CA 94952-3040
Phone: (707) 241-3003
Show map & directions

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

Additional practice locations (4)

  • 1 Bodega Ave Ste 4, Petaluma, CA 94952-2672 — (707) 241-3003
  • 222 Weller St Ste 208, Petaluma, CA 94952-7108 — (707) 523-8009
  • 2455 Bennett Valley Rd Ste C210, Santa Rosa, CA 95404-5671 — (707) 523-8009
  • 2455 Bennett Valley Rd Ste C210, Santa Rosa, CA 95404-5671 — (707) 523-8009

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS7338 (CA)

Record details

NPI number1093718454
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMay 31, 2005
Last updated in NPPESMay 11, 2025
Certification dateMay 11, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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