MICHAEL KOZAK
NPI 1144859448
Pathology - Anatomic Pathology & Clinical Pathology in West Hollywood, CA
About Michael Kozak NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL KOZAK (NPI 1144859448) is an individual anatomic pathology & clinical pathology provider in West Hollywood, California, licensed in California (20A21105) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2020).
NPPES Registry Identity
Specialties & Licenses 2
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
Michael Kozak 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 Reassignment
Medicare enrollment records show Michael Kozak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 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 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Michael Kozak's NPI number?
The NPI number for Michael Kozak is 1144859448. It was assigned to this individual provider in the NPPES registry on April 7, 2020.
Where is Michael Kozak located?
Michael Kozak practices at 8700 Beverly Blvd # 8709, West Hollywood, CA 90048. The listed phone number is (310) 423-6941.
What is Michael Kozak's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Michael Kozak enrolled in Medicare?
Yes. Michael Kozak 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 Michael Kozak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Kozak reassigns Medicare benefits to Cedars-Sinai Medical Care Foundation (Los Angeles, 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 Michael Kozak'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 Michael Kozak was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Michael Kozak · NPI 1144859448
Anatomic Pathology & Clinical Pathology physician in West Hollywood, California. Individual provider, active in the CMS NPPES registry since April 7, 2020.
## Identity
- **NPI:** 1144859448 (Entity type: Individual)
- **Enumerated:** April 7, 2020
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** 20A21105 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8700 BEVERLY BLVD # 8709, West Hollywood, CA 90048-1804
- **Phone:** (310) 423-6941
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2020
## Record status
- **NPPES last updated:** July 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1144859448) · Data from the CMS NPPES public registry.