ASHLEY L DIEDRICH AA
NPI 1386748911
Anesthesiologist Assistant in Green Bay, WI

Active since September 12, 2006Accepts Medicare Assignment
744 S WEBSTER AVE, GREEN BAY, WI 54301(920) 433-3605(920) 433-3589 Get Directions Write a Review

NPPES record last updated: August 31, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ashley L Diedrich Aa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ASHLEY L DIEDRICH AA (NPI 1386748911) is an individual anesthesiologist assistant in Green Bay, Wisconsin, licensed in Wisconsin (26) and active in the NPI registry since September 2006. She is affiliated with Bellin Memorial Hospital, maintains 2 additional practice locations, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1386748911
Entity TypeIndividualFemale
Primary Taxonomy367H00000X
Provider Legal NameASHLEY L DIEDRICHCredential: AA
Location Address744 S WEBSTER AVEGreen Bay, WI 54301-3505
Mailing AddressPo Box 22487Green Bay, WI 54305-2487 · (920) 445-7222 · Fax (920) 445-7289
Fax(920) 433-3589
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateSeptember 12, 2006
Last NPPES UpdateAugust 31, 2020
NPPES CertifiedAugust 31, 2020
✔ NPI 1386748911 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
License✔ Licensed in WI · 26
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
744 S WEBSTER AVE, Green Bay, WI 54301

Other Names 1

Former Name (1)Ashley L Leiteritz Aa

Secondary Practice Locations 2

Location 1600 Highland AveMadison, WI 53792-0001 · Phone (608) 263-8100 · Fax (608) 263-0575
Location 22820 Roosevelt RdMarinette, WI 54143-3834 · Phone (715) 735-5380 · Fax (715) 735-5233

Other Identifiers 1

Other748National Commission Certification Anesthesia Assistants

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

Ashley L Diedrich Aa 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.

PECOS PAC ID3870591712
PECOS Enrollment IDI20061201000165

Medicare Billing Reassignments

3

Medicare enrollment records show Ashley Diedrich reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pain Medicine
744 S WEBSTER AVE
Green Bay, WI 54301
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Bellin Anesthesia Associates Sc
  • 61 clinicians in this Medicare group
Family Medicine
744 S WEBSTER AVE
Green Bay, WI 54301
  • Reassigned Medicare billing, Wisconsin enrollment
  • 875 clinicians in this Medicare group
Rural Health
575 4TH ST
Kewaunee, WI 54216
  • Reassigned Medicare billing, Wisconsin enrollment
  • 573 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bellin Memorial Hospital

Acute Care Hospitals · Green Bay, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520049
Location744 S Webster AveGreen Bay, WI 54305 · Brown County
Emergency services Birthing friendly

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.

Nurse Practitioner (Family)
744 S WEBSTER AVE
GREEN BAY, WI 54301
Internal Medicine (Pulmonary Disease)
744 S WEBSTER AVE
GREEN BAY, WI 54301
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
744 S WEBSTER AVE
GREEN BAY, WI 54301
Internal Medicine
744 S WEBSTER AVE
GREEN BAY, WI 54301
Nurse Practitioner (Neonatal)
744 S WEBSTER AVE
GREEN BAY, WI 54301
Anesthesiologist Assistant
744 S WEBSTER AVE
GREEN BAY, WI 54301
Occupational Therapist
744 S WEBSTER AVE
GREEN BAY, WI 54301
Nurse Practitioner
744 S WEBSTER AVE
GREEN BAY, WI 54301

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 Ashley Diedrich's NPI number?

The NPI number for Ashley Diedrich is 1386748911. It was assigned to this individual provider in the NPPES registry on September 12, 2006. The provider is also known as Ashley L Leiteritz Aa.

Where is Ashley Diedrich located?

Ashley Diedrich practices at 744 S Webster Ave, Green Bay, WI 54301. The listed phone number is (920) 433-3605.

What is Ashley Diedrich's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Ashley Diedrich enrolled in Medicare?

Yes. Ashley Diedrich 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 Ashley Diedrich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Diedrich reassigns Medicare benefits to 3 organizations: Bellin Anesthesia Associates, S.C. (Green Bay, WI), Bellin Memorial Hospital Inc (Green Bay, WI) and Oconto Hospital & Medical Center Inc (Kewaunee, WI). 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 Ashley Diedrich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley Diedrich accept?

Health plans from CareSource (Common Ground Healthcare) list Ashley Diedrich 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 Ashley Diedrich affiliated with any hospitals?

According to CMS data, Ashley Diedrich is affiliated with Bellin Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Ashley Diedrich was last updated on August 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.