KAREN LEWICKI M.D.
NPI 1427443324
Psychiatry & Neurology - Psychiatry in Chatsworth, CA
About Karen Lewicki M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN LEWICKI M.D. (NPI 1427443324) is an individual psychiatry provider in Chatsworth, California, licensed in Vermont (042.0013822) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Accepted Insurance
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
Karen Lewicki M.d. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Karen Lewicki reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chatsworth, CA 91311
- Reassigned Medicare billing, California enrollment
- 533 clinicians in this Medicare group
Berlin, VT 05602
- Reassigned Medicare billing, Vermont enrollment
- Also billed through NPI 1023028784 (Vermont)
- 183 clinicians in this Medicare group
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 91311 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHATSWORTH, CA 91311
CHATSWORTH, CA 91311
CHATSWORTH, CA 91311
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 Karen Lewicki's NPI number?
The NPI number for Karen Lewicki is 1427443324. It was assigned to this individual provider in the NPPES registry on March 30, 2015. The provider is also known as Karin S Lewicki.
Where is Karen Lewicki located?
Karen Lewicki practices at 20151 Nordhoff St, Chatsworth, CA 91311. The listed phone number is (818) 407-3236.
What is Karen Lewicki's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Karen Lewicki enrolled in Medicare?
Yes. Karen Lewicki 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 organizations bill Medicare for Karen Lewicki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Lewicki reassigns Medicare benefits to 2 organizations: Los Angeles County Department Of Mental Health (Chatsworth, CA) and Central Vermont Medical Center Inc (Berlin, VT). Each 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 Karen Lewicki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Lewicki accept?
Health plans from Anthem Blue Cross and Blue Shield and Blue Cross Blue Shield of North Dakota list Karen Lewicki 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 Karen Lewicki was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.