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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LOI MEDVIN M.A., PSY.D.
NPI 1245439348
Psychologist - Clinical in Sebastopol, CA

Active since July 17, 2007
PO BOX 1014, SEBASTOPOL, CA 95473(707) 695-7888 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 16, 2026, Mar 17, 2018, Mar 8, 2018 (3 updates tracked since 2018).

About Dr. Loi Medvin M.a., Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LOI MEDVIN M.A., PSY.D. (NPI 1245439348) is an individual clinical provider in Sebastopol, California, licensed in California (PSY23692) and active in the NPI registry since July 2007. She maintains a secondary practice location in Sebastopol.

NPPES Registry Identity

NPI1245439348
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. LOI MEDVINCredential: M.A., PSY.D.
Location AddressPO BOX 1014Sebastopol, CA 95473-1014
Mailing AddressPo Box 1014Sebastopol, CA 95473-1014 · (707) 695-7888
Phone(707) 695-7888
Sole ProprietorYes
Enumeration DateJuly 17, 2007
Last NPPES UpdateOctober 16, 20263 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1245439348 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY23692
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
PO BOX 1014, Sebastopol, CA 95473
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Secondary Practice Location 1

Location 1PO Box 1014Sebastopol, CA 95473-1014 · Phone (707) 695-7888

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. HAYLEY CATHERINE MANNING PSY.D.
Psychologist (Clinical)
PO BOX 1014
SEBASTOPOL, CA 95473
Sonoma County (510) 815-3187

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Loi Medvin's NPI number?

The NPI number for Loi Medvin is 1245439348. It was assigned to this individual provider in the NPPES registry on July 17, 2007.

Where is Loi Medvin located?

Loi Medvin practices at PO Box 1014, Sebastopol, CA 95473. The listed phone number is (707) 695-7888.

What is Loi Medvin's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Loi Medvin was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.