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LYNN C ZIMMERMAN LCSW
NPI 1811022585
Social Worker - Clinical in San Rafael, CA

Active since February 22, 2007PECOS EnrolledAccepts Medicare Assignment
3230 KERNER BLVD, SAN RAFAEL, CA 94901(415) 473-3875 Get Directions Write a Review

NPPES record last updated: February 24, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Lynn C Zimmerman Lcsw NPPES

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

LYNN C ZIMMERMAN LCSW (NPI 1811022585) is an individual clinical provider in San Rafael, California, licensed in California (LCS12145) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1811022585
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLYNN C ZIMMERMANCredential: LCSW
Location Address3230 KERNER BLVDSan Rafael, CA 94901-4840
Mailing Address1314 Sir Francis Drake BlvdSan Anselmo, CA 94960-1805 · (310) 283-6548
Phone(415) 473-3875
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateFebruary 22, 2007
Last NPPES UpdateFebruary 24, 2011
✔ NPI 1811022585 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 · LCS12145
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.
3230 KERNER BLVD, San Rafael, CA 94901
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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 and accepts Medicare assignment

Lynn C Zimmerman Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547690281
PECOS Enrollment IDI20200421003096
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 Lynn Zimmerman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sud Specialty Group - Ca
48 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94901 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 $69.07 – $202.63
Typical copayment $0.00 (range $17.26 – $50.65)
Most-billed visit code NA
Established Patient
$85.00 typical visit price
range $23.44 – $166.64
Typical copayment $21.25 (range $5.86 – $41.66)
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.

KATHLEEN E HAWKINS
Student in an Organized Health Care Education/Training Program
3230 KERNER BLVD
SAN RAFAEL, CA 94901
Marin County (415) 473-6769
MRS. SANDRA MARIA RAMIREZ GRIGGS M.F.T.
Marriage & Family Therapist
3230 KERNER BLVD
SAN RAFAEL, CA 94901
Marin County (415) 485-2415
STEPHANIE MONIQUE JOHNSON
Counselor
3230 KERNER BLVD
SAN RAFAEL, CA 94901
Marin County (414) 473-4101
MS. MICHELLE RAE KEMP CERTIFIED PEER
Peer Specialist
3230 KERNER BLVD
SAN RAFAEL, CA 94901
Marin County (415) 368-5221
SERGIO RUIZ MS, MDFT, PCI
Counselor (Professional)
3230 KERNER BLVD
SAN RAFAEL, CA 94901
Marin County (415) 299-3646
DAWN MARCELLA HENSLEY
Case Manager/Care Coordinator
3230 KERNER BLVD
SAN RAFAEL, CA 94901
Marin County (415) 473-7814
SADEGH NOBARI MFT
Marriage & Family Therapist
3230 KERNER BLVD
SAN RAFAEL, CA 94901
Marin County (415) 328-9797
CHRISTINA CRITTENDEN
Social Worker
3230 KERNER BLVD
SAN RAFAEL, CA 94901
Marin County (415) 473-6314

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 Lynn Zimmerman's NPI number?

The NPI number for Lynn Zimmerman is 1811022585. It was assigned to this individual provider in the NPPES registry on February 22, 2007.

Where is Lynn Zimmerman located?

Lynn Zimmerman practices at 3230 Kerner Blvd, San Rafael, CA 94901. The listed phone number is (415) 473-3875.

What is Lynn Zimmerman's specialty?

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

Is Lynn Zimmerman enrolled in Medicare?

Yes. Lynn Zimmerman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Lynn Zimmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Zimmerman reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, 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 Lynn Zimmerman'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 Lynn Zimmerman was last updated on February 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.