HEATHER ARIAGNO IEZZA MD
NPI 1649227943
Pediatrics in San Jose, CA
About Heather Ariagno Iezza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER ARIAGNO IEZZA MD (NPI 1649227943) is an individual pediatrics provider in San Jose, California, licensed in California (A92671) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Chicago College Of Medicine And Surgery (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Heather Ariagno Iezza Md 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 Heather Iezza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 1,699 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 95128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
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 Heather Iezza's NPI number?
The NPI number for Heather Iezza is 1649227943. It was assigned to this individual provider in the NPPES registry on May 30, 2006. The provider is also known as Heather Ann De Harmone Arigano MD.
Where is Heather Iezza located?
Heather Iezza practices at 751 S Bascom Ave Pediatrics Department, San Jose, CA 95128. The listed phone number is (408) 885-5000.
What is Heather Iezza's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Heather Iezza enrolled in Medicare?
Yes. Heather Iezza 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 Heather Iezza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Iezza reassigns Medicare benefits to Providence Medical Foundation (Napa, 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 Heather Iezza'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 Heather Iezza was last updated on November 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Heather Ariagno Iezza, MD · NPI 1649227943
Pediatrics physician in San Jose, California. Individual provider, active in the CMS NPPES registry since May 30, 2006.
## Identity
- **NPI:** 1649227943 (Entity type: Individual)
- **Enumerated:** May 30, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A92671 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 751 S BASCOM AVE, PEDIATRICS DEPARTMENT, San Jose, CA 95128-2604
- **Phone:** (408) 885-5000
## 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:** Providence Medical Foundation (NPI 1205131950, Napa, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Chicago College Of Medicine And Surgery, class of 2004
## Record status
- **NPPES last updated:** November 3, 2021
- **Other identifiers:** Medicaid 00A926710 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1649227943) · Data from the CMS NPPES public registry.