GREGORY JACKSON AYCOCK CAA
NPI 1215924527
Anesthesiologist Assistant in Madison, WI

Active since October 03, 2005Accepts Medicare Assignment
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-8100 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 5, 2026, Nov 21, 2024, May 10, 2024 and 1 more (4 updates tracked since 2023).

About Gregory Jackson Aycock Caa NPPES

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

GREGORY JACKSON AYCOCK CAA (NPI 1215924527) is an individual anesthesiologist assistant in Madison, Wisconsin, licensed in Wisconsin (618) and active in the NPI registry since October 2005. He is affiliated with Indiana University Health, maintains 3 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1215924527
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameGREGORY JACKSON AYCOCKCredential: CAA
Location Address600 HIGHLAND AVEMadison, WI 53792-0001
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 3, 2005
Last NPPES UpdateJune 5, 20264 updates tracked since enumeration
NPPES CertifiedJune 5, 2026
NPI 1215924527 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
Licenses Licensed in WI · 618 Licensed in MO · PENDING Licensed in IN · 75000176A
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.
Also ListedPharmacistTaxonomy 183500000X · License PS40328 (FL), 17641 (NC)
600 HIGHLAND AVE, Madison, WI 53792

Secondary Practice Locations 3

Location 1615 S New Ballas Rd Dept OfSaint Louis, MO 63141-8221 · Phone (636) 386-9224
Location 215 E New Haven AveMelbourne, FL 32901-4403 · Phone (321) 409-3941
Location 31701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (317) 274-0275 · Fax (317) 274-0256

Other Identifiers 1

Other1103727700IN · Anthem Ptan

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gregory Jackson Aycock Caa 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 ID547614059
PECOS Enrollment IDI20240604000162

Areas of Expertise CMS Part B claims 2

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
17 services17 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion 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.

Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792

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 Gregory Aycock's NPI number?

The NPI number for Gregory Aycock is 1215924527. It was assigned to this individual provider in the NPPES registry on October 3, 2005.

Where is Gregory Aycock located?

Gregory Aycock practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-8100.

What is Gregory Aycock's specialty?

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

Is Gregory Aycock enrolled in Medicare?

Yes. Gregory Aycock 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.

What insurance does Gregory Aycock accept?

Health plans from CareSource list Gregory Aycock 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 Gregory Aycock affiliated with any hospitals?

According to CMS data, Gregory Aycock is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Gregory Aycock was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.