COSTNER MCKENZIE MD
NPI 1003361171
Dermatology in New York, NY
About Costner Mckenzie Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COSTNER MCKENZIE MD (NPI 1003361171) is an individual dermatology provider in New York, New York, licensed in New York (323540) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Northwestern University Feinberg Medical School (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Costner Mckenzie Md 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 Costner Mckenzie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11209
- Reassigned Medicare billing, New York enrollment
- 23 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 10021 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Costner Mckenzie's NPI number?
The NPI number for Costner Mckenzie is 1003361171. It was assigned to this individual provider in the NPPES registry on August 18, 2016.
Where is Costner Mckenzie located?
Costner Mckenzie practices at 69 E 76th St, New York, NY 10021. The listed phone number is (800) 778-3090.
What is Costner Mckenzie's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Costner Mckenzie enrolled in Medicare?
Yes. Costner Mckenzie 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 Costner Mckenzie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Costner Mckenzie reassigns Medicare benefits to Ronald R Brancaccio MD & Peter Saitta Do PC (Brooklyn, NY). 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 Costner Mckenzie'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 Costner Mckenzie was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Costner Mckenzie, MD · NPI 1003361171
Dermatology physician in New York, New York. Individual provider, active in the CMS NPPES registry since August 18, 2016.
## Identity
- **NPI:** 1003361171 (Entity type: Individual)
- **Enumerated:** August 18, 2016
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** 323540 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 69 E 76TH ST, New York, NY 10021-1826
- **Phone:** (800) 778-3090
## 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:** Ronald R Brancaccio MD & Peter Saitta Do PC (NPI 1386719425, Brooklyn, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2020
## Record status
- **NPPES last updated:** March 20, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1003361171) · Data from the CMS NPPES public registry.