INNA LEMESHKO (NURSE PRACTITIONER) – Psychiatric/Mental Health Nurse Practitioner, NPI 1831694967
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
16,360 NURSE PRACTITIONER in CA
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Provider Addresses for INNA LEMESHKO (NURSE PRACTITIONER)
18646 OXNARD ST
TARZANA, CA 913561411
Phone: (818) 996-1051
Fax: (818) 975-5039
Type: Mailing
11235, Amestoy Avenue, Granada Hills, Los Angeles, Los Angeles County, California, 91344, United States
GRANADA HILLS, CA 913444112
Phone: (818) 996-1051
Fax: (818) 975-5039
Type: Mailing
18646, Oxnard Street, Tarzana, Los Angeles, Los Angeles County, California, 91356, United States
TARZANA, CA 913561411
Phone: (818) 996-1051
Fax: (818) 975-5039
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 21 Open Payments records for all available years, with a total value of $673.
Total Amount is formed as General ($673) + Research ($0) + Ownership ($0) = $673.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) ($404).
Total Amount
$673
General + Research + Ownership
Payments
21
Total payment records
General Amount
$673
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-08-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20230825000235 | I | Nurse Practitioner | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 91356)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| Pain Management, Physical Medicine And Rehabilitation | CA | |
| Nurse Practitioner | CA | |
| Clinical Social Worker | CA | |
| - | CA | |
| Physician Assistant | CA | |
| P S Y C H I A T R Y | CA | |
| Marriage And Family Therapist | CA |
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