WEST VALLEY OBGYN
NPI 1821484171
Obstetrics & Gynecology in Phoenix, AZ

Active since April 14, 2015
4338 W THOMAS RD STE 173, PHOENIX, AZ 85031(602) 429-2239 Get Directions Write a Review

NPPES record last updated: November 20, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 20, 2024, May 15, 2023 (2 updates tracked since 2023).

About West Valley Obgyn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WEST VALLEY OBGYN (NPI 1821484171) is a healthcare organization registered as an obstetrics & gynecology in Phoenix, Arizona and active in the NPI registry since April 2015. The organization lists Helen Bujak, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1821484171
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameNICHOLAS BUJAK MD, PLLC
Location Address4338 W THOMAS RD STE 173Phoenix, AZ 85031-3878
Mailing Address4338 W Thomas Rd Ste 173Phoenix, AZ 85031-3878 · (602) 429-2239
Organization SubpartNo
Authorized OfficialHelen BujakOffice Manager · (623) 341-2825
Enumeration DateApril 14, 2015
Last NPPES UpdateNovember 20, 20242 updates tracked since enumeration
NPPES CertifiedNovember 20, 2024
✔ NPI 1821484171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
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 STE 173, Phoenix, AZ 85031

Other Names 1

Doing Business AsWest Valley Obgyn

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

West Valley Obgyn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to West Valley Obgyn, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Obstetrics/Gynecology
NPI 1235386731
4338 W THOMAS RD STE 117
Phoenix, AZ 85031
(602) 429-2239
✔ PECOS0.1 mi
Nurse Practitioner
NPI 1972217602
735 GRAND AVE
Phoenix, AZ 85007
(623) 288-9843
✔ PECOS4.5 mi
Obstetrics/Gynecology
NPI 1548215783
10815 W MCDOWELL RD STE 301
Avondale, AZ 85392
(623) 535-0740
✔ PECOS✔ Accepts Medicare8.1 mi
Obstetrics/Gynecology
NPI 1679569776
6370 W UNION HILLS DR
Glendale, AZ 85308
(623) 414-3500
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1760171243
6619 N SCOTTSDALE RD
Scottsdale, AZ 85250
(480) 904-8671
✔ PECOS✔ Accepts Medicare14 mi
Nurse Practitioner
NPI 1295144749
2875 W RAY RD STE 6-239 SUITE 8
Chandler, AZ 85224
(480) 793-1978
✔ PECOS19 mi
Clinical Social Worker
NPI 1962854539
5005 N PIEDRAS ST
El Paso, TX 79920
(915) 742-2800
✔ PECOS351 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 MD, PLLC's NPI number?

The NPI number for Nicholas Bujak MD, PLLC is 1821484171. It was assigned to this organization in the NPPES registry on April 14, 2015. The provider is doing business as West Valley Obgyn.

Where is Nicholas Bujak MD, PLLC located?

Nicholas Bujak MD, PLLC is located at 4338 W Thomas Rd Ste 173, Phoenix, AZ 85031. The listed phone number is (602) 429-2239.

What is Nicholas Bujak MD, PLLC's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Nicholas Bujak MD, PLLC enrolled in Medicare?

Yes. Nicholas Bujak MD, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nicholas Bujak MD, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to Nicholas Bujak MD, PLLC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (3), Obstetrics/Gynecology (3) and Clinical Social Worker (1). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Nicholas Bujak MD, PLLC accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Nicholas Bujak MD, PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nicholas Bujak MD, PLLC was last updated on November 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.