DR. MARGARET L KOCAK PSYD
NPI 1154000875
Psychologist - Clinical in Hagerstown, MD
About Dr. Margaret L Kocak Psyd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET L KOCAK PSYD (NPI 1154000875) is an individual clinical provider in Hagerstown, Maryland, licensed in Maryland (07291) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Margaret L Kocak Psyd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Margaret Kocak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hagerstown, MD 21742
- Reassigned Medicare billing, Maryland enrollment
- 311 clinicians in this Medicare group
Hagerstown, MD 21742
- Reassigned Medicare billing, Maryland enrollment
- 47 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 21742 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.
HAGERSTOWN, MD 21742
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 Margaret Kocak's NPI number?
The NPI number for Margaret Kocak is 1154000875. It was assigned to this individual provider in the NPPES registry on July 12, 2023. The provider is also known as Margaret Czapski.
Where is Margaret Kocak located?
Margaret Kocak practices at 18714 N Village, Hagerstown, MD 21742. The listed phone number is (301) 733-0331.
What is Margaret Kocak's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Margaret Kocak enrolled in Medicare?
Yes. Margaret Kocak is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Kocak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Kocak reassigns Medicare benefits to 2 organizations: Meritus Medical Center Inc (Hagerstown, MD) and Brook Lane Behavioral Services, Inc. (Hagerstown, 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 Margaret Kocak'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 Margaret Kocak was last updated on February 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.