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INNA LEMESHKO NURSE PRACTITIONER
NPI 1831694967
Nurse Practitioner - Psychiatric/Mental Health in Tarzana, CA

Active since March 29, 2018PECOS EnrolledAccepts Medicare Assignment
18646 OXNARD ST, TARZANA, CA 91356(818) 996-1051(818) 975-5039 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 3, 2026, Jun 5, 2023, Mar 29, 2018 (3 updates tracked since 2018).

About Inna Lemeshko Nurse Practitioner NPPES

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

INNA LEMESHKO NURSE PRACTITIONER (NPI 1831694967) is an individual psychiatric/mental health provider in Tarzana, California, licensed in California (NP95023978) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1831694967
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameINNA LEMESHKOCredential: NURSE PRACTITIONER
Location Address18646 OXNARD STTarzana, CA 91356-1411
Mailing Address18646 Oxnard StTarzana, CA 91356-1411 · (818) 996-1051 · Fax (818) 975-5039
Phone(818) 996-1051
Fax(818) 975-5039
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 29, 2018
Last NPPES UpdateFebruary 3, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2026
✔ NPI 1831694967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · NP95023978
Also ListedRegistered Nurse · Case ManagementTaxonomy 163WC0400X · License 592970 (CA)
18646 OXNARD ST, Tarzana, CA 91356
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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

Inna Lemeshko Nurse Practitioner 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 ID1153784079
PECOS Enrollment IDI20230825000235
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 Inna Lemeshko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tarzana Treatment Centers, Inc.
Same address
Rehabilitation, Substance Use Disorder
18700 OXNARD ST
Tarzana, CA 91356
  • Reassigned Medicare billing, California enrollment
  • 93 clinicians in this Medicare group
NPI 1821114828 (818) 996-1051

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 91356 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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.

DEANNA KATHERINE MALEC RN
Registered Nurse (Case Management)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
NICOLE MARIAN JOHNSTONE RADT
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3950
ARTURO VARGAS
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DAVID JEROME FISCHER
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
GREGORY PAUL WALSH
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DAVID HEISERMAN
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (747) 224-0384
JOSHUA KELLY
Student in an Organized Health Care Education/Training Program
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (859) 779-2349
SHAWNA ROSE GLUCK
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (181) 899-6105

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 Inna Lemeshko's NPI number?

The NPI number for Inna Lemeshko is 1831694967. It was assigned to this individual provider in the NPPES registry on March 29, 2018.

Where is Inna Lemeshko located?

Inna Lemeshko practices at 18646 Oxnard St, Tarzana, CA 91356. The listed phone number is (818) 996-1051.

What is Inna Lemeshko's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Inna Lemeshko enrolled in Medicare?

Yes. Inna Lemeshko 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 Inna Lemeshko's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Inna Lemeshko reassigns Medicare benefits to Tarzana Treatment Centers, Inc. (Tarzana, 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 Inna Lemeshko'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 Inna Lemeshko was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.