WILLIAM GROCE III MD
NPI 1124247457
Anesthesiology in Little Rock, AR
About William Groce Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM GROCE III MD (NPI 1124247457) is an individual anesthesiology provider in Little Rock, Arkansas, licensed in Arkansas (E-6426) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Little Rock, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
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
William Groce Iii Md 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
6Medicare enrollment records show William Groce reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 122 clinicians in this Medicare group
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1386317345 (Arkansas)
- 1,246 clinicians in this Medicare group
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 288 clinicians in this Medicare group
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 123 clinicians in this Medicare group
Little Rock, AR 72202
- Reassigned Medicare billing, Arkansas enrollment
- 944 clinicians in this Medicare group
Fayetteville, AR 72703
- Reassigned Medicare billing, Arkansas enrollment
- 185 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.
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.
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
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 Groce's NPI number?
The NPI number for William Groce is 1124247457. It was assigned to this individual provider in the NPPES registry on April 25, 2007.
Where is William Groce located?
William Groce practices at 8901 Carti Way, Little Rock, AR 72205. The listed phone number is (501) 906-3000.
What is William Groce's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Groce enrolled in Medicare?
Yes. William Groce 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 Groce's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Groce reassigns Medicare benefits to 6 organizations: Central Arkansas Radiation Therapy Institute Inc (Little Rock, AR), University Of Arkansas For Medical Sciences (Little Rock, AR), St. Vincent Medical Group (Little Rock, AR), Southern Regional Anesthesiology Consultants PLLC (Little Rock, AR), Arkansas Childrens Hospital (Little Rock, AR) and 1 more organization, listed in the Medicare section above. 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 Groce's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Groce was last updated on September 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# William Groce III, MD · NPI 1124247457
Anesthesiology physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since April 25, 2007.
## Identity
- **NPI:** 1124247457 (Entity type: Individual)
- **Enumerated:** April 25, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** E-6426 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 8901 CARTI WAY, Little Rock, AR 72205-6523
- **Phone:** (501) 906-3000 · **Fax:** (501) 907-8367
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Central Arkansas Radiation Therapy Institute Inc (NPI 1003583386, Little Rock, AR); University Of Arkansas For Medical Sciences (NPI 1346230968, Little Rock, AR); St. Vincent Medical Group (NPI 1134176480, Little Rock, AR); Southern Regional Anesthesiology Consultants PLLC (NPI 1902231673, Little Rock, AR); Arkansas Childrens Hospital (NPI 1598773079, Little Rock, AR); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** September 20, 2023
- **Other identifiers:** Medicaid 183020001 (AR); Other 5H706 (AR)
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Source: [NPI Profile](https://npiprofile.com/npi/1124247457) · Data from the CMS NPPES public registry.