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LORENZO ABRHAM SIERRA
NPI 1881245306
Marriage & Family Therapist in Martinez, CA

Active since September 25, 2019PECOS Enrolled
1340 ARNOLD DR STE 225, MARTINEZ, CA 94553(888) 678-7277 Get Directions Write a Review

NPPES record last updated: January 4, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 4, 2024, Dec 7, 2023, Nov 8, 2022 and 4 more (7 updates tracked since 2019).

About Lorenzo Abrham Sierra NPPES

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

LORENZO ABRHAM SIERRA (NPI 1881245306) is an individual marriage & family therapist in Martinez, California, licensed in California (LMFT142039) and active in the NPI registry since September 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1881245306
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameLORENZO ABRHAM SIERRA
Location Address1340 ARNOLD DR STE 225Martinez, CA 94553-4189
Mailing Address1340 Arnold Dr Ste 225Martinez, CA 94553-4189 · (888) 678-7277
Phone(888) 678-7277
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 25, 2019
Last NPPES UpdateJanuary 4, 20247 updates tracked since enumeration
NPPES CertifiedJanuary 4, 2024
✔ NPI 1881245306 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · LMFT142039
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
1340 ARNOLD DR STE 225, Martinez, CA 94553
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lorenzo Abrham Sierra is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4981199114
PECOS Enrollment IDI20251224001247
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lorenzo Sierra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Contra Costa County
0.8 mi
Community/Behavioral Health
10 DOUGLAS DR, SUITE 140
Martinez, CA 94553
  • Reassigned Medicare billing, California enrollment
  • 530 clinicians in this Medicare group
NPI 1750509162 (925) 957-5110

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 3

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

JAMIE NICOLE DOMINGOS
Marriage & Family Therapist
1340 ARNOLD DR STE 225
MARTINEZ, CA 94553
Contra Costa County (925) 655-2411
VICKIE JONES
Counselor (Addiction (Substance Use Disorder))
1340 ARNOLD DR STE 225
MARTINEZ, CA 94553
Contra Costa County (925) 655-2414
FABIOLA STEPHANY ORNELAS MARISCAL SUDCC
Counselor (Addiction (Substance Use Disorder))
1340 ARNOLD DR STE 225
MARTINEZ, CA 94553
Contra Costa County (925) 655-2408

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 Lorenzo Sierra's NPI number?

The NPI number for Lorenzo Sierra is 1881245306. It was assigned to this individual provider in the NPPES registry on September 25, 2019.

Where is Lorenzo Sierra located?

Lorenzo Sierra practices at 1340 Arnold Dr Ste 225, Martinez, CA 94553. The listed phone number is (888) 678-7277.

What is Lorenzo Sierra's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Lorenzo Sierra enrolled in Medicare?

Yes. Lorenzo Sierra is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lorenzo Sierra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lorenzo Sierra reassigns Medicare benefits to Contra Costa County (Martinez, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lorenzo Sierra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lorenzo Sierra was last updated on January 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.