LEONID CHERNYAKHOVSKY LGSW
NPI 1861881443
Counselor - Mental Health in Middle River, MD
About Leonid Chernyakhovsky Lgsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEONID CHERNYAKHOVSKY LGSW (NPI 1861881443) is an individual mental health provider in Middle River, Maryland, licensed in Maryland (19870) and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
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
Leonid Chernyakhovsky Lgsw 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 Leonid Chernyakhovsky reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nottingham, MD 21236
- Reassigned Medicare billing, Maryland enrollment
- 6 clinicians in this Medicare group
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- 8 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.
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 Leonid Chernyakhovsky's NPI number?
The NPI number for Leonid Chernyakhovsky is 1861881443. It was assigned to this individual provider in the NPPES registry on January 20, 2015.
Where is Leonid Chernyakhovsky located?
Leonid Chernyakhovsky practices at 690 Seawave Ct, Middle River, MD 21220. The listed phone number is (443) 938-4401.
What is Leonid Chernyakhovsky's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Leonid Chernyakhovsky enrolled in Medicare?
Yes. Leonid Chernyakhovsky 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 Leonid Chernyakhovsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leonid Chernyakhovsky reassigns Medicare benefits to 2 organizations: Apres Counseling LLC (Nottingham, MD) and Apex Counseling Center, LLC (Baltimore, MD). 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 Leonid Chernyakhovsky'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 Leonid Chernyakhovsky was last updated on January 20, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Leonid Chernyakhovsky, LGSW · NPI 1861881443
Mental Health provider in Middle River, Maryland. Individual provider, active in the CMS NPPES registry since January 20, 2015.
## Identity
- **NPI:** 1861881443 (Entity type: Individual)
- **Enumerated:** January 20, 2015
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 19870 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 690 SEAWAVE CT, Middle River, MD 21220-2378
- **Phone:** (443) 938-4401
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Apres Counseling LLC (NPI 1912411323, Nottingham, MD); Apex Counseling Center, LLC (NPI 1851336937, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 20, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1861881443) · Data from the CMS NPPES public registry.