DR. ALPHONSE AMBROSIA D.O.
NPI 1598736126
Internal Medicine - Interventional Cardiology in Mesa, AZ
About Dr. Alphonse Ambrosia D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALPHONSE AMBROSIA D.O. (NPI 1598736126) is an individual interventional cardiology provider in Mesa, Arizona, licensed in Arizona (2705) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of College Of Osteo Med Of The Pacific At Pomona (1991).
NPPES Registry Identity
Specialties & Licenses 2
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. Alphonse Ambrosia 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 Alphonse Ambrosia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- Medicare enrollment name: Cardiovascular Associates Of Mesa PC
- Also billed through NPI 1104815158 (Arizona)
- 10 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 47
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85206 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MESA, AZ 85206
MESA, AZ 85206
MESA, AZ 85206
MESA, AZ 85206
MESA, AZ 85206
MESA, AZ 85206
MESA, AZ 85206
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 Alphonse Ambrosia's NPI number?
The NPI number for Alphonse Ambrosia is 1598736126. It was assigned to this individual provider in the NPPES registry on January 31, 2006.
Where is Alphonse Ambrosia located?
Alphonse Ambrosia practices at 6309 E Baywood Ave Ste 101, Mesa, AZ 85206. The listed phone number is (480) 641-5400.
What is Alphonse Ambrosia's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Alphonse Ambrosia enrolled in Medicare?
Yes. Alphonse Ambrosia 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 Alphonse Ambrosia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alphonse Ambrosia reassigns Medicare benefits to Cardiovascular Associates Of Mesa P C (Mesa, 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 Alphonse Ambrosia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alphonse Ambrosia accept?
Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and UnitedHealthcare list Alphonse Ambrosia 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.
When was this NPI record last updated?
The NPPES record for Alphonse Ambrosia was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.