KAREN HATCH DRENNER AGACNP-BC
NPI 1548872641
Nurse Practitioner - Acute Care in Tucson, AZ
About Karen Hatch Drenner Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN HATCH DRENNER AGACNP-BC (NPI 1548872641) is an individual acute care provider in Tucson, Arizona, licensed in Arizona (290690) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
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
Karen Hatch Drenner Agacnp-bc 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
3Medicare enrollment records show Karen Drenner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 471 clinicians in this Medicare group
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 196 clinicians in this Medicare group
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 8 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 4
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 85712 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 85712
TUCSON, AZ 85712
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 Karen Drenner's NPI number?
The NPI number for Karen Drenner is 1548872641. It was assigned to this individual provider in the NPPES registry on August 19, 2020.
Where is Karen Drenner located?
Karen Drenner practices at 5301 E Grant Rd, Tucson, AZ 85712. The listed phone number is (520) 327-5461.
What is Karen Drenner's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Karen Drenner enrolled in Medicare?
Yes. Karen Drenner 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 Karen Drenner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Drenner reassigns Medicare benefits to 3 organizations: Tmc Medical Network (Tucson, AZ), Tmcone (Tucson, AZ) and Tucson Gastroenterology Specialists, PC (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 Karen Drenner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Drenner 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 1 other insurer list Karen Drenner 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 Karen Drenner was last updated on November 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Karen Hatch Drenner, AGACNP-BC · NPI 1548872641
Acute Care physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since August 19, 2020.
## Identity
- **NPI:** 1548872641 (Entity type: Individual)
- **Enumerated:** August 19, 2020
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 290690 (Arizona)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5301 E GRANT RD, Tucson, AZ 85712-2874
- **Phone:** (520) 327-5461
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Tmc Medical Network (NPI 1750832283, Tucson, AZ); Tmcone (NPI 1467310417, Tucson, AZ); Tucson Gastroenterology Specialists, PC (NPI 1548253453, Tucson, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** November 30, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1548872641) · Data from the CMS NPPES public registry.