TONI MARIE LASIEWICKI MFTI
NPI 1821247966
Marriage & Family Therapist in San Diego, CA

Q: What is Toni Lasiewicki's NPI number?

The NPI number for Toni Lasiewicki is 1821247966. It was assigned to this individual provider in the NPPES registry on September 13, 2008.

Q: What is Toni Lasiewicki's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Toni Lasiewicki was last updated on September 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since September 13, 2008PECOS Enrolled

1465 30TH ST, SAN DIEGO, CA 92154(619) 428-1000(619) 428-1091 Get Directions Write a Review

NPPES record last updated: September 26, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 26, 2016, Sep 19, 2016 (2 updates tracked since 2016).

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About Toni Marie Lasiewicki Mfti NPPES

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

TONI MARIE LASIEWICKI MFTI (NPI 1821247966) is an individual marriage & family therapist in San Diego, California, licensed in California (IMF87209) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1821247966

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameTONI MARIE LASIEWICKICredential: MFTI

Location Address1465 30TH STSan Diego, CA 92154-3497

Mailing Address1465 30th StSan Diego, CA 92154-3497 · (619) 428-1000 · Fax (619) 428-1091

Phone(619) 428-1000

Fax(619) 428-1091

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateSeptember 13, 2008

Last NPPES UpdateSeptember 26, 20162 updates tracked since enumeration

✔ NPI 1821247966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in CA · IMF87209

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.

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 61560 (CA), IMF87209 (CA)

1465 30TH ST, San Diego, CA 92154

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Other Identifiers 1

Medicaid8544CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company).Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Toni Marie Lasiewicki Mfti is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901363142

PECOS Enrollment IDI20260807002389

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 Toni Lasiewicki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Provider Profile

6.1 mi

Psychologist

7171 ALVARADO RD STE 100A
La Mesa, CA 91942

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1235196411 (619) 562-2130

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 20

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

DR. NANCY DE ANDRADE PH.D.

Counselor (Mental Health)

1465 30TH ST, SUITE K
SAN DIEGO, CA 92154

San Diego County (619) 428-1000

MERLY LEI

Registered Nurse

1465 30TH ST
SAN DIEGO, CA 92154

San Diego County (619) 428-1000

KELLY QUINTIA M.S.

Marriage & Family Therapist

1465 30TH ST, SUITE K
SAN DIEGO, CA 92154

San Diego County (619) 428-1000

MISS SANDRA LUS CAMARGO LMFT

Marriage & Family Therapist

1465 30TH ST
SAN DIEGO, CA 92154

San Diego County (619) 428-1000

SABRINA MENCHACA

Case Manager/Care Coordinator

1465 30TH ST, SUITE K
SAN DIEGO, CA 92154

San Diego County (619) 428-1000

MR. ESTEBAN ELIAS GONZALEZ LMFT

Marriage & Family Therapist

1465 30TH ST, SUITE K
SAN DIEGO, CA 92154

San Diego County (619) 428-1000

JESSICA LYN SAUTTER PCCI, NCC

Counselor (Professional)

1465 30TH ST, SUITE K
SAN DIEGO, CA 92154

San Diego County (619) 428-1000

MS. LUCIA E MONTIEL

Specialist

1465 30TH ST, STE. K
SAN DIEGO, CA 92154

San Diego County (619) 428-1000

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 Toni Lasiewicki's NPI number?

The NPI number for Toni Lasiewicki is 1821247966. It was assigned to this individual provider in the NPPES registry on September 13, 2008.

Where is Toni Lasiewicki located?

Toni Lasiewicki practices at 1465 30th St, San Diego, CA 92154. The listed phone number is (619) 428-1000.

What is Toni Lasiewicki's specialty?

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

Is Toni Lasiewicki enrolled in Medicare?

Yes. Toni Lasiewicki is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Toni Lasiewicki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Toni Lasiewicki reassigns Medicare benefits to (La Mesa, 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 Toni Lasiewicki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Toni Lasiewicki accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Toni Lasiewicki as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Toni Lasiewicki was last updated on September 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.