DR. GUILHERME CARDINALI BARREIRO MD, PHD
NPI 1285114074
Surgery - Plastic and Reconstructive Surgery in Oklahoma City, OK
About Dr. Guilherme Cardinali Barreiro Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GUILHERME CARDINALI BARREIRO MD, PHD (NPI 1285114074) is an individual plastic and reconstructive surgery provider in Oklahoma City, Oklahoma, licensed in Oklahoma (35757) and active in the NPI registry since August 2018. He is enrolled in Medicare PECOS, is affiliated with O U Medical Center, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 4
Accepted Insurance
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
Dr. Guilherme Cardinali Barreiro Md, Phd 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 Reassignments
2Medicare enrollment records show Guilherme Barreiro reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 845 clinicians in this Medicare group
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 1,795 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
O U Medical Center
Acute Care Hospitals · Oklahoma City, OKMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Guilherme Barreiro's NPI number?
The NPI number for Guilherme Barreiro is 1285114074. It was assigned to this individual provider in the NPPES registry on August 21, 2018.
Where is Guilherme Barreiro located?
Guilherme Barreiro practices at 825 NE 10th St Ste 1G, Oklahoma City, OK 73104. The listed phone number is (405) 271-4864.
What is Guilherme Barreiro's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.
Is Guilherme Barreiro enrolled in Medicare?
Yes. Guilherme Barreiro 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 organizations bill Medicare for Guilherme Barreiro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guilherme Barreiro reassigns Medicare benefits to 2 organizations: Board Of Regents Of The University Of Oklahoma - Ou Physicians (Oklahoma City, OK) and Ou Health Partners, Inc (Oklahoma City, OK). Each 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 Guilherme Barreiro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Guilherme Barreiro accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Guilherme Barreiro 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.
Is Guilherme Barreiro affiliated with any hospitals?
According to CMS data, Guilherme Barreiro is affiliated with O U Medical Center.
When was this NPI record last updated?
The NPPES record for Guilherme Barreiro was last updated on January 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Dr. Guilherme Cardinali Barreiro, MD, PHD · NPI 1285114074
Plastic and Reconstructive Surgery physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since August 21, 2018.
## Identity
- **NPI:** 1285114074 (Entity type: Individual)
- **Enumerated:** August 21, 2018
- **Primary specialty:** Surgery - Plastic and Reconstructive Surgery · taxonomy 2086S0122X
- **State license:** 35757 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 825 NE 10TH ST STE 1G, Oklahoma City, OK 73104-5417
- **Phone:** (405) 271-4864 · **Fax:** (405) 271-2737
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Board Of Regents Of The University Of Oklahoma - Ou Physicians (NPI 1801869250, Oklahoma City, OK); Ou Health Partners, Inc (NPI 1528642642, Oklahoma City, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** January 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1285114074) · Data from the CMS NPPES public registry.