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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FRANCES MERRIWEATHER LCSW
NPI 1629257415
Social Worker - Clinical in Oakland, CA

Active since October 29, 2007PECOS Enrolled
770 53RD ST, OAKLAND, CA 94609(510) 428-3885(510) 450-5876 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Frances Merriweather Lcsw NPPES

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

FRANCES MERRIWEATHER LCSW (NPI 1629257415) is an individual clinical provider in Oakland, California, licensed in California (20826) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Oakland.

NPPES Registry Identity

NPI1629257415
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameFRANCES MERRIWEATHERCredential: LCSW
Location Address770 53RD STOakland, CA 94609-1814
Mailing Address747 52nd StOakland, CA 94609-1809 · (510) 428-3006 · Fax (510) 601-3912
Phone(510) 428-3885
Fax(510) 450-5876
Sole ProprietorYes
Enumeration DateOctober 29, 2007
Last NPPES UpdateSeptember 17, 2026
NPPES CertifiedSeptember 17, 2026
✔ NPI 1629257415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 20826
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
770 53RD ST, Oakland, CA 94609
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Secondary Practice Location 1

Location 1747 52nd StOakland, CA 94609-1809 · Phone (510) 428-3006 ext. 2022 · Fax (510) 601-3912

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Frances Merriweather Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $69.00 – $202.35
Typical copayment $0.00 (range $17.25 – $50.58)
Most-billed visit code NA
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

MS. KAREN LISA THOMAS LCSW
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
MRS. MEGAN P MALEY MSW, LCSW
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
MS. TERESA DEL CARMEN VARGAS OJEDA LMFT
Marriage & Family Therapist
770 53RD ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
ROSEMARIE MESSINA LCSW
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Alameda County (510) 428-3441
FRANCESCO YEPEZ-COELLO
Student in an Organized Health Care Education/Training Program
770 53RD ST
OAKLAND, CA 94609
Alameda County (650) 731-5594
ELIZABETH A. SANTOS LMFT
Marriage & Family Therapist
770 53RD ST
OAKLAND, CA 94609
Alameda County (510) 428-3441
MRS. YOLANDA PULIDO-LOPEZ
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
MRS. MARTHA ANGELICA REA L.C.S.W.
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Alameda County (510) 428-3441

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 Frances Merriweather's NPI number?

The NPI number for Frances Merriweather is 1629257415. It was assigned to this individual provider in the NPPES registry on October 29, 2007.

Where is Frances Merriweather located?

Frances Merriweather practices at 770 53rd St, Oakland, CA 94609. The listed phone number is (510) 428-3885.

What is Frances Merriweather's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Frances Merriweather enrolled in Medicare?

Yes. Frances Merriweather is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Frances Merriweather was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.