DR. NICHOLAS KAROL BUJAK MD
NPI 1235386731
Obstetrics & Gynecology in Phoenix, AZ
About Dr. Nicholas Karol Bujak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS KAROL BUJAK MD (NPI 1235386731) is an individual obstetrics & gynecology provider in Phoenix, Arizona, licensed in Arizona (40492) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Nicholas Karol Bujak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Nicholas Bujak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenix, AZ 85031
- Reassigned Medicare billing, Arizona enrollment
- 7 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 85031 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85031
PHOENIX, AZ 85031
PHOENIX, AZ 85031
PHOENIX, AZ 85031
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 Nicholas Bujak's NPI number?
The NPI number for Nicholas Bujak is 1235386731. It was assigned to this individual provider in the NPPES registry on August 26, 2008.
Where is Nicholas Bujak located?
Nicholas Bujak practices at 4338 W Thomas Rd Ste 117, Phoenix, AZ 85031. The listed phone number is (602) 429-2239.
What is Nicholas Bujak's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Nicholas Bujak enrolled in Medicare?
Yes. Nicholas Bujak is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Nicholas Bujak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Bujak reassigns Medicare benefits to Nicholas Bujak MD, PLLC (Phoenix, AZ). 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 Nicholas Bujak'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 Nicholas Bujak was last updated on February 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.