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

Mary Altenau

Individual provider Mental Health Counselor · NPI 1174716039

Mary Altenau is a Clinical Psychologist in Sebastopol, California. Qualified in 2010, 16 years ago. Accepts Medicare assignment.

Years since qualifying
16
In the registry since
2007
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Practice location Address checks out

1800 Gravenstein Hwy N
Sebastopol, CA 95472-2607
Phone: (707) 823-7300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1174716039
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 23, 2007
Last updated in NPPESJuly 20, 2020
Certification dateJuly 20, 2020
Mailing address6 Kaden Ct, Novato, CA 94947-4613

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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