DR. NICHOLAS KAROL BUJAK MD
NPI 1235386731
Obstetrics & Gynecology in Phoenix, AZ

Active since August 26, 2008PECOS Enrolled
4338 W THOMAS RD, STE 117, PHOENIX, AZ 85031(602) 429-2239(602) 559-5436 Get Directions Write a Review

NPPES record last updated: February 15, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1235386731
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. NICHOLAS KAROL BUJAKCredential: MD
Location Address4338 W THOMAS RD, STE 117Phoenix, AZ 85031-3878
Mailing Address4338 W Thomas Rd, Ste 117Phoenix, AZ 85031-3878 · (602) 429-2239 · Fax (602) 559-5436
Fax(602) 559-5436
Sole ProprietorYes
Enumeration DateAugust 26, 2008
Last NPPES UpdateFebruary 15, 2016
✔ NPI 1235386731 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in AZ · 40492
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4338 W THOMAS RD, Phoenix, AZ 85031

Other Identifiers 1

Medicaid418891AZ

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Obstetrics & Gynecology
4338 W THOMAS RD STE 173
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.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Psychiatric/Mental Health)
4338 W THOMAS RD
PHOENIX, AZ 85031
Nurse Practitioner (Family)
4338 W THOMAS RD, SUITE # 117
PHOENIX, AZ 85031
Internal Medicine (Cardiovascular Disease)
4338 W THOMAS RD, SUITE 116
PHOENIX, AZ 85031
Clinic/Center (Mental Health (Including Community Mental Health Center))
4338 W THOMAS RD, ST 173
PHOENIX, AZ 85031
Physical Therapist
4338 W THOMAS RD
PHOENIX, AZ 85031
Nurse Practitioner (Family)
4338 W THOMAS RD
PHOENIX, AZ 85031
Doula
4338 W THOMAS RD, ST 173
PHOENIX, AZ 85031
Nurse Practitioner (Family)
4338 W THOMAS RD
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.