KARISSA WASIAK MD
NPI 1548823602
Family Medicine in Tucson, AZ
About Karissa Wasiak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARISSA WASIAK MD (NPI 1548823602) is an individual family medicine provider in Tucson, Arizona, licensed in Arizona (R77393) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Tucson, and is a graduate of University Of Nevada School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Karissa Wasiak 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 Reassignments
2Medicare enrollment records show Karissa Wasiak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85716
- Reassigned Medicare billing, Arizona enrollment
- 464 clinicians in this Medicare group
Tucson, AZ 85711
- Reassigned Medicare billing, Arizona enrollment
- 1,514 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 6
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 85711 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.
TUCSON, AZ 85711
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 Karissa Wasiak's NPI number?
The NPI number for Karissa Wasiak is 1548823602. It was assigned to this individual provider in the NPPES registry on April 15, 2019.
Where is Karissa Wasiak located?
Karissa Wasiak practices at 707 N Alvernon Way Ste 101, Tucson, AZ 85711. The listed phone number is (520) 694-8888.
What is Karissa Wasiak's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Karissa Wasiak enrolled in Medicare?
Yes. Karissa Wasiak 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 Karissa Wasiak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karissa Wasiak reassigns Medicare benefits to 2 organizations: El Rio Santa Cruz Neighborhood Health Center, Inc (Tucson, AZ) and Banner-University Medical Group (Tucson, AZ). 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 Karissa Wasiak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karissa Wasiak accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc and 3 other insurers list Karissa Wasiak 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 Karissa Wasiak was last updated on March 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.