DR. TEREZ YONAN D.O.
NPI 1578853685
Pediatrics - Adolescent Medicine in Phoenix, AZ
About Dr. Terez Yonan D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TEREZ YONAN D.O. (NPI 1578853685) is an individual adolescent medicine provider in Phoenix, Arizona, licensed in Arizona (010817) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Dr. Terez Yonan D.o. 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 Reassignment
Medicare enrollment records show Terez Yonan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 1,416 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85016
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 Terez Yonan's NPI number?
The NPI number for Terez Yonan is 1578853685. It was assigned to this individual provider in the NPPES registry on April 10, 2011.
Where is Terez Yonan located?
Terez Yonan practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-3124.
What is Terez Yonan's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.
Is Terez Yonan enrolled in Medicare?
Yes. Terez Yonan 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 organization bills Medicare for Terez Yonan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terez Yonan reassigns Medicare benefits to Phoenix Children's Hospital (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 Terez Yonan'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 Terez Yonan was last updated on August 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Terez Yonan, D.O. · NPI 1578853685
Adolescent Medicine physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since April 10, 2011.
## Identity
- **NPI:** 1578853685 (Entity type: Individual)
- **Enumerated:** April 10, 2011
- **Primary specialty:** Pediatrics - Adolescent Medicine · taxonomy 2080A0000X
- **State license:** 010817 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 1919 E THOMAS RD, Phoenix, AZ 85016-7710
- **Phone:** (602) 933-3124
## 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:** Phoenix Children's Hospital (NPI 1922112044, Phoenix, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** August 30, 2024
- **Other identifiers:** Medicaid 200476 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1578853685) · Data from the CMS NPPES public registry.