PHI YEN (GINA) BUI MD
NPI 1245490325
Pediatrics in Oklahoma City, OK

Active since June 12, 2008PECOS Enrolled
1200 EVERETT DR FL 10, OKLAHOMA CITY, OK 73104(405) 271-4417 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Phi Yen (gina) Bui Md NPPES

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

PHI YEN (GINA) BUI MD (NPI 1245490325) is an individual pediatrics provider in Oklahoma City, Oklahoma, licensed in Oklahoma (26367) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245490325
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NamePHI YEN (GINA) BUICredential: MD
Location Address1200 EVERETT DR FL 10Oklahoma City, OK 73104-5047
Mailing Address1200 Everett Dr Fl 10Oklahoma City, OK 73104-5047 · (405) 271-4417
Sole ProprietorNo
Enumeration DateJune 12, 2008
Last NPPES UpdateNovember 29, 2021
✔ NPI 1245490325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in OK · 26367
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1200 EVERETT DR FL 10, Oklahoma City, OK 73104

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Phi Yen (gina) Bui 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 Phi Bui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
3527 W FLORIDA AVE
Hemet, CA 92545
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1225060742 (California)
  • 5,228 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 73104 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
1200 EVERETT DR FL 10
OKLAHOMA CITY, OK 73104
Pediatrics (Pediatric Endocrinology)
1200 EVERETT DR FL 10
OKLAHOMA CITY, OK 73104
Pediatrics (Pediatric Hematology-Oncology)
1200 EVERETT DR FL 10
OKLAHOMA CITY, OK 73104
Pediatrics
1200 EVERETT DR FL 10
OKLAHOMA CITY, OK 73104
Pediatrics
1200 EVERETT DR FL 10
OKLAHOMA CITY, OK 73104

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 Phi Bui's NPI number?

The NPI number for Phi Bui is 1245490325. It was assigned to this individual provider in the NPPES registry on June 12, 2008.

Where is Phi Bui located?

Phi Bui practices at 1200 Everett Dr Fl 10, Oklahoma City, OK 73104. The listed phone number is (405) 271-4417.

What is Phi Bui's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Phi Bui enrolled in Medicare?

Yes. Phi Bui is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Phi Bui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phi Bui reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, 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 Phi Bui'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 Phi Bui was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.