Lorenzo Sierra
NPI 1881245306 · Marriage & Family Therapist · Martinez, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lorenzo Sierra is a Marriage & Family Therapist provider in Martinez, CA (NPI 1881245306).
Provider details
- NPI number
- 1881245306
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- LMFT142039 (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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2019-09-25
- Last updated
- 2024-01-04
- Certified
- 2024-01-04
Frequently asked questions
- What is Lorenzo Sierra's NPI number?
- Lorenzo Sierra's National Provider Identifier (NPI) is 1881245306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lorenzo Sierra's specialty?
- Lorenzo Sierra is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Lorenzo Sierra located?
- Lorenzo Sierra's practice location on file with NPPES is 1340 Arnold Dr Ste 225, Martinez, CA 94553-4189.
- What is Lorenzo Sierra's phone number?
- The practice phone number listed in the NPPES registry for Lorenzo Sierra is (888) 678-7277.
- Does Lorenzo Sierra accept Medicare?
- Lorenzo Sierra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lorenzo Sierra's NPI active?
- Yes — Lorenzo Sierra's NPI (1881245306) is active in the NPPES registry as of the last update on 2024-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.