MARY LINDA WILLIAMS
NPI 1740807171
Marriage & Family Therapist in Santa Monica, CA
About Mary Linda Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY LINDA WILLIAMS (NPI 1740807171) is an individual marriage & family therapist in Santa Monica, California, licensed in California (LMFT111274) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Linda Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 clinicians in this Medicare group
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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA MONICA, CA 90401
SANTA MONICA, CA 90401
SANTA MONICA, CA 90401
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 Mary Williams's NPI number?
The NPI number for Mary Williams is 1740807171. It was assigned to this individual provider in the NPPES registry on July 1, 2020.
Where is Mary Williams located?
Mary Williams practices at 1247 7th St Ste 202, Santa Monica, CA 90401. The listed phone number is (213) 261-1337.
What is Mary Williams's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Mary Williams enrolled in Medicare?
Yes. Mary Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Williams reassigns Medicare benefits to Grow Healthcare Group PC (San Jose, 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 Mary Williams'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 Mary Williams was last updated on July 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mary Linda Williams · NPI 1740807171
Marriage & Family Therapist provider in Santa Monica, California. Individual provider, active in the CMS NPPES registry since July 1, 2020.
## Identity
- **NPI:** 1740807171 (Entity type: Individual)
- **Enumerated:** July 1, 2020
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** LMFT111274 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1247 7TH ST STE 202, Santa Monica, CA 90401-1643
- **Phone:** (213) 261-1337
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Grow Healthcare Group PC (NPI 1154994846, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 1, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1740807171) · Data from the CMS NPPES public registry.