Humberto Retana, MS
NPI 1598955890 · Marriage & Family Therapist · Oakland, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Humberto Retana, MS is a Marriage & Family Therapist provider in Oakland, CA (NPI 1598955890).
Provider details
- NPI number
- 1598955890
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 49372 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 620 Santa Ray AveOakland, CA 94610-1721Phone: (510) 288-8649
Registry dates
- Enumerated
- 2007-08-01
- Last updated
- 2026-01-29
- Certified
- 2026-01-29
Frequently asked questions
- What is Humberto Retana's NPI number?
- Humberto Retana's National Provider Identifier (NPI) is 1598955890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Humberto Retana's specialty?
- Humberto Retana is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Humberto Retana located?
- Humberto Retana's practice location on file with NPPES is 770 53rd St, Oakland, CA 94609-1814.
- What is Humberto Retana's phone number?
- The practice phone number listed in the NPPES registry for Humberto Retana is (510) 428-3441.
- Does Humberto Retana accept Medicare?
- Humberto Retana is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Humberto Retana's NPI active?
- Yes — Humberto Retana's NPI (1598955890) is active in the NPPES registry as of the last update on 2026-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.