MR. WILLIAM BRES GREGORY III CRNA
NPI 1245547504
Nurse Anesthetist, Certified Registered in Hot Springs, AR

Active since September 08, 2010Accepts Medicare Assignment
300 WERNER ST, HOT SPRINGS, AR 71913(501) 664-4532(501) 663-4335 Get Directions Write a Review

NPPES record last updated: March 27, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. William Bres Gregory Iii Crna NPPES

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

MR. WILLIAM BRES GREGORY III CRNA (NPI 1245547504) is an individual nurse anesthetist, certified registered in Hot Springs, Arkansas, licensed in Arkansas (C002829) and active in the NPI registry since September 2010. He is a graduate of Other (2010).

NPPES Registry Identity

NPI1245547504
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. WILLIAM BRES GREGORY IIICredential: CRNA
Location Address300 WERNER STHot Springs, AR 71913-6406
Mailing Address500 S University Ave Ste 500Little Rock, AR 72205-5307 · (501) 664-4532 · Fax (501) 663-4335
Fax(501) 663-4335
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateSeptember 8, 2010
Last NPPES UpdateMarch 27, 2020
NPPES CertifiedMarch 27, 2020
✔ NPI 1245547504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in AR · C002829
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License R094576 (AR)
300 WERNER ST, Hot Springs, AR 71913

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

Mr. William Bres Gregory Iii Crna 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 ID2860680303
PECOS Enrollment IDI20101227000863

Medicare Billing Reassignments

5

Medicare enrollment records show William Gregory reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nurse Anesthetist, Certified Registered
151 MCGOWAN CT
Hot Springs, AR 71913
  • Reassigned Medicare billing, Arkansas enrollment
  • 19 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1001 SCHNEIDER DR
Malvern, AR 72104
  • Reassigned Medicare billing, Arkansas enrollment
  • 13 clinicians in this Medicare group
Anesthesiology
9601 BAPTIST HEALTH DR
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 253 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1600 W 40TH AVE
Pine Bluff, AR 71603
  • Reassigned Medicare billing, Arkansas enrollment
  • 35 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1100 ANDRE ST, SUITE 300
New Iberia, LA 70563
  • Reassigned Medicare billing, Arkansas enrollment
  • 232 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71913 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$64.56 typical visit price
range $16.16 – $128.77
Typical copayment $16.14 (range $4.04 – $32.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Long Term Care Hospital
300 WERNER ST, 3RD FLOOR
HOT SPRINGS, AR 71913
Student in an Organized Health Care Education/Training Program
300 WERNER ST
HOT SPRINGS, AR 71913
Emergency Medicine
300 WERNER ST
HOT SPRINGS, AR 71913
Anesthesiology
300 WERNER ST
HOT SPRINGS, AR 71913
Home Delivered Meals
300 WERNER ST
HOT SPRINGS, AR 71913
Hospitalist
300 WERNER ST
HOT SPRINGS, AR 71913
General Acute Care Hospital
300 WERNER ST
HOT SPRINGS, AR 71913
Registered Nurse
300 WERNER ST
HOT SPRINGS NATIONAL PARK, AR 71913

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 William Gregory's NPI number?

The NPI number for William Gregory is 1245547504. It was assigned to this individual provider in the NPPES registry on September 8, 2010.

Where is William Gregory located?

William Gregory practices at 300 Werner St, Hot Springs, AR 71913. The listed phone number is (501) 664-4532.

What is William Gregory's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is William Gregory enrolled in Medicare?

Yes. William Gregory 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 William Gregory's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Gregory reassigns Medicare benefits to 5 organizations: Mcgowan Court Anesthesia Associates LLC (Hot Springs, AR), Harris And Theodore Anesthesia Services, LLC (Malvern, AR), Arkansas Health Group (Little Rock, AR), Jefferson Regional Anesthesia LLC (Pine Bluff, AR) and Youngs Professional Services LLC (New Iberia, LA). 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 William Gregory's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Gregory accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list William Gregory 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 William Gregory was last updated on March 27, 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.