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

Individual provider Clinical Psychologist · NPI 1023307766

Dr. Tracy D Thiem, PHD is a Clinical Psychologist in Petaluma, California. Qualified in 1999, 27 years ago. Practices with Memory Check Psychological Services, a Professional Corporation, a 80-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
27
Licensed in
CA
In the registry since
2011
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

7 4th St Ste 7
Petaluma, CA 94952-3043
Phone: (707) 637-3022
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 24037 (CA)

Record details

NPI number1023307766
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 4, 2011
Last updated in NPPESFebruary 13, 2015
Mailing address7 4th St, Suite 7, Petaluma, CA 94952-3043

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Memory Check Psychological Services, A Professional Corporation — 80 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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