Madeline Marx DO
About this NPIWhat this record shows.
NPI 1992691349 is registered to Madeline Marx DO, a Family Medicine practising at 655 N Alvernon Way Ste 228 in Tucson, Arizona. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Madeline Marx DO has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Order and Referring Only
- I20250711003431Family PracticeAZ
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Madeline Marx DO accepts. To confirm in-network status with your specific health plan, contact Madeline Marx DO directly at (520) 694-8888.
Frequently asked
Yes. NPI 1992691349 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (520) 694-8888.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Madeline Marx DO is a Type-1 individual NPI.