DR. CASSIDY ELIZABETH PATTIK M.D.
NPI 1396278719
Internal Medicine in Mesa, AZ
About Dr. Cassidy Elizabeth Pattik M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CASSIDY ELIZABETH PATTIK M.D. (NPI 1396278719) is an individual internal medicine provider in Mesa, Arizona, licensed in Arizona (78260) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Daytona Beach, and maintains a secondary practice location in Tucson.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Group Practice 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. Cassidy Elizabeth Pattik M.d. 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 Reassignments
4Medicare enrollment records show Cassidy Pattik reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85205
- Reassigned Medicare billing, Arizona enrollment
- 110 clinicians in this Medicare group
Tucson, AZ 85745
- Reassigned Medicare billing, Arizona enrollment
- 464 clinicians in this Medicare group
Flagstaff, AZ 86001
- Reassigned Medicare billing, Arizona enrollment
- 552 clinicians in this Medicare group
Ormond Beach, FL 32174
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Ormond Medical Arts
- 51 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 27
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.
Adventhealth Daytona Beach
Acute Care Hospitals · Daytona Beach, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Cassidy Pattik's NPI number?
The NPI number for Cassidy Pattik is 1396278719. It was assigned to this individual provider in the NPPES registry on April 4, 2017.
Where is Cassidy Pattik located?
Cassidy Pattik practices at 1060 E Southern Ave Ste 106, Mesa, AZ 85204. The listed phone number is (480) 870-7400.
What is Cassidy Pattik's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Cassidy Pattik enrolled in Medicare?
Yes. Cassidy Pattik 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 organizations bill Medicare for Cassidy Pattik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassidy Pattik reassigns Medicare benefits to 4 organizations: Archwell Health Professional Services Of Arizona, LLC (Mesa, AZ), El Rio Santa Cruz Neighborhood Health Center, Inc (Tucson, AZ), Northern Arizona Healthcare Corporation (Flagstaff, AZ) and Ormond Medical Arts Family Practice LLC (Ormond Beach, FL). Each 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 Cassidy Pattik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassidy Pattik accept?
Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Cassidy Pattik 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 Cassidy Pattik affiliated with any hospitals?
According to CMS data, Cassidy Pattik is affiliated with Adventhealth Daytona Beach.
When was this NPI record last updated?
The NPPES record for Cassidy Pattik was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.