DR. MIA MELILLO HORVATH DPM
NPI 1083840318
Podiatrist - Foot & Ankle Surgery in Mesa, AZ
About Dr. Mia Melillo Horvath Dpm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MIA MELILLO HORVATH DPM (NPI 1083840318) is an individual foot & ankle surgery provider in Mesa, Arizona, licensed in Arizona (0750) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Providence Newberg Medical Center, and is a graduate of Kent State University College Of Podiatric Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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. Mia Melillo Horvath Dpm 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 Mia Horvath reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97223
- Reassigned Medicare billing, Oregon enrollment
- 22 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 11
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.
Providence Newberg Medical Center
Acute Care Hospitals · Newberg, ORMedicare 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MESA, AZ 85204
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 Mia Horvath's NPI number?
The NPI number for Mia Horvath is 1083840318. It was assigned to this individual provider in the NPPES registry on June 1, 2009. The provider is also known as Mia Katherine Melillo Dpm.
Where is Mia Horvath located?
Mia Horvath practices at 1620 S Stapley Dr Ste 132, Mesa, AZ 85204. The listed phone number is (480) 834-8804.
What is Mia Horvath's specialty?
The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.
Is Mia Horvath enrolled in Medicare?
Yes. Mia Horvath 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 Mia Horvath's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mia Horvath reassigns Medicare benefits to Northwest Extremity Specialists LLC (Portland, OR). 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 Mia Horvath's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mia Horvath accept?
Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Mia Horvath 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 Mia Horvath affiliated with any hospitals?
According to CMS data, Mia Horvath is affiliated with Providence Newberg Medical Center.
When was this NPI record last updated?
The NPPES record for Mia Horvath was last updated on February 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Mia Melillo Horvath, DPM · NPI 1083840318
Foot & Ankle Surgery provider in Mesa, Arizona. Individual provider, active in the CMS NPPES registry since June 1, 2009.
## Identity
- **NPI:** 1083840318 (Entity type: Individual)
- **Enumerated:** June 1, 2009
- **Primary specialty:** Podiatrist - Foot & Ankle Surgery · taxonomy 213ES0103X
- **State license:** 0750 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 1620 S STAPLEY DR STE 132, Mesa, AZ 85204-6655
- **Phone:** (480) 834-8804
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Northwest Extremity Specialists LLC (NPI 1295126241, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Kent State University College Of Podiatric Medicine, class of 2009
## Record status
- **NPPES last updated:** February 28, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1083840318) · Data from the CMS NPPES public registry.