NATALIA MICHAELSON
NPI 1699134429
Social Worker - Clinical in Rsm, CA

Active since February 22, 2016Opted out of Medicare · through Oct 20, 2027

NPPES record last updated: November 5, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 5, 2024, Feb 22, 2023, Feb 22, 2016 (3 updates tracked since 2016).

About Natalia Michaelson NPPES

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

NATALIA MICHAELSON (NPI 1699134429) is an individual clinical provider in Rsm, California, licensed in California (127094) and active in the NPI registry since February 2016. She has opted out of Medicare through October 20, 2027 and remains eligible to order and refer and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1699134429
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameNATALIA MICHAELSON
Location AddressPO BOX 80562Rsm, CA 92688-0562
Mailing AddressPo Box 80562Rsm, CA 92688-0562
Sole ProprietorYes
Enumeration DateFebruary 22, 2016
Last NPPES UpdateNovember 5, 20243 updates tracked since enumeration
NPPES CertifiedNovember 5, 2024
NPI 1699134429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in CA · 127094
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.

Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
PO BOX 80562, Rsm, CA 92688

Secondary Practice Locations 2

Location 1180 E Main St Ste 203Tustin, CA 92780-4414 · Phone (949) 328-6986
Location 2450 Bauchet StLos Angeles, CA 90012-2907 · Phone (213) 473-1713

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Natalia Michaelson has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 20, 2025 through October 20, 2027.

Opt-Out Effective DateOctober 20, 2025
Opt-Out In Effect ThroughOctober 20, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92688 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 $62.96 – $187.60
Typical copayment $0.00 (range $15.74 – $46.90)
Most-billed visit code NA
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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 Natalia Michaelson's NPI number?

The NPI number for Natalia Michaelson is 1699134429. It was assigned to this individual provider in the NPPES registry on February 22, 2016.

Where is Natalia Michaelson located?

Natalia Michaelson practices at PO Box 80562, Rsm, CA 92688. The listed phone number is (949) 328-6986.

What is Natalia Michaelson's specialty?

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

Is Natalia Michaelson enrolled in Medicare?

No. Natalia Michaelson has opted out of Medicare through October 20, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Natalia Michaelson was last updated on November 5, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.