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STEWART NICHOLAS HEATON AA
NPI 1043611320
Anesthesiologist Assistant in La Crosse, WI

Active since September 05, 2014
1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: September 5, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Stewart Nicholas Heaton Aa NPPES

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

STEWART NICHOLAS HEATON AA (NPI 1043611320) is an individual anesthesiologist assistant in La Crosse, Wisconsin, licensed in Wisconsin (44) and active in the NPI registry since September 2014. He is affiliated with Wellstar Cobb Medical Center and is a graduate of Other (2014).

NPPES Registry Identity

NPI1043611320
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameSTEWART NICHOLAS HEATONCredential: AA
Location Address1836 SOUTH AVELa Crosse, WI 54601-5429
Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300
Phone(608) 782-7300
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateSeptember 5, 2014
✔ NPI 1043611320 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 · 44
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.
1836 SOUTH AVE, La Crosse, WI 54601
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stewart Nicholas Heaton Aa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8921229105
PECOS Enrollment IDI20210222001707

Medicare Billing Reassignments

2

Medicare enrollment records show Stewart Heaton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mak Anesthesia Holdings LLC
765 mi
Anesthesiology
1300 RIDENOUR BLVD NW STE 300
Kennesaw, GA 30152
  • Reassigned Medicare billing, Georgia enrollment
  • 629 clinicians in this Medicare group
NPI 1912452939 (770) 702-1806
Anesthesia Associates MD PA
1,210 mi
Anesthesiology
308 AVENUE G SW STE 215
Winter Haven, FL 33880
  • Reassigned Medicare billing, Florida enrollment
  • 30 clinicians in this Medicare group
NPI 1578589909 (863) 299-1231

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.

Wellstar Cobb Medical Center

Acute Care Hospitals · Austell, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110143
Location3950 Austell RdAustell, GA 30106 · Cobb County
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.

JEFFREY BRIAN TROHKIMOINEN M.D.
Anesthesiology
1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601
La Crosse County (608) 775-2031
JESSICA E THESING CRNA
Nurse Anesthetist, Certified Registered
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
DR. MICHAEL DAVID SMITH PSY.D.
Psychologist
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
JESSICA MAE RASMUSSEN
Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
JULIE SONSALLA NP
Nurse Practitioner (Adult Health)
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
LAURA KLINGBEIL
Orthopaedic Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
SUSAN CAROL SORRENTINO RN
Registered Nurse (Addiction (Substance Use Disorder))
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
NAOMI MUTHONI RUIRU NP
Nurse Practitioner (Family)
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300

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 Stewart Heaton's NPI number?

The NPI number for Stewart Heaton is 1043611320. It was assigned to this individual provider in the NPPES registry on September 5, 2014.

Where is Stewart Heaton located?

Stewart Heaton practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.

What is Stewart Heaton's specialty?

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

Is Stewart Heaton enrolled in Medicare?

Yes. Stewart Heaton is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stewart Heaton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stewart Heaton reassigns Medicare benefits to 2 organizations: Mak Anesthesia Holdings LLC (Kennesaw, GA) and Anesthesia Associates MD PA (Winter Haven, 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 Stewart Heaton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stewart Heaton accept?

Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Stewart Heaton 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 Stewart Heaton affiliated with any hospitals?

According to CMS data, Stewart Heaton is affiliated with Wellstar Cobb Medical Center.

When was this NPI record last updated?

The NPPES record for Stewart Heaton was last updated on September 5, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.