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

Individual provider Marriage & Family Therapist · NPI 1598955890

Mr. Humberto Retana, MS is a Marriage and Family Therapist in Oakland, California. Qualified in 2006, 20 years ago. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Years since qualifying
20
Licensed in
CA
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

770 53rd St
Oakland, CA 94609-1814
Phone: (510) 428-3441
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 620 Santa Ray Ave, Oakland, CA 94610-1721 — (510) 288-8649

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 49372 (CA)

Record details

NPI number1598955890
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorYes
NPI enumeratedAugust 1, 2007
Last updated in NPPESJanuary 29, 2026
Certification dateJanuary 29, 2026

Medicare enrollment

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

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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