MR. ANTHONY RAY SIERRA I CRNA
NPI 1487042651
Nurse Anesthetist, Certified Registered in Little Rock, AR
About Mr. Anthony Ray Sierra I Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ANTHONY RAY SIERRA I CRNA (NPI 1487042651) is an individual nurse anesthetist, certified registered in Little Rock, Arkansas, licensed in Arkansas (C003067) and active in the NPI registry since December 2014. He is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
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. Anthony Ray Sierra I 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.
Medicare Billing Reassignments
7Medicare enrollment records show Anthony Sierra reassigns Medicare billing to 7 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
- 288 clinicians in this Medicare group
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 123 clinicians in this Medicare group
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- Medicare enrollment name: Premier Gastroenterology Associates PLLC
- 72 clinicians in this Medicare group
Little Rock, AR 72212
- Reassigned Medicare billing, Arkansas enrollment
- 50 clinicians in this Medicare group
Benton, AR 72015
- Reassigned Medicare billing, Arkansas enrollment
- 182 clinicians in this Medicare group
Conway, AR 72034
- Reassigned Medicare billing, Arkansas enrollment
- Medicare enrollment name: Conway Anesthesiology Consultants, PA
- 32 clinicians in this Medicare group
Pine Bluff, AR 71603
- Reassigned Medicare billing, Arkansas enrollment
- 35 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.
Areas of Expertise CMS Part B claims 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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
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 Anthony Sierra's NPI number?
The NPI number for Anthony Sierra is 1487042651. It was assigned to this individual provider in the NPPES registry on December 22, 2014.
Where is Anthony Sierra located?
Anthony Sierra practices at 2 Saint Vincent Cir, Little Rock, AR 72205. The listed phone number is (501) 664-4532.
What is Anthony Sierra's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Anthony Sierra enrolled in Medicare?
Yes. Anthony Sierra 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 Anthony Sierra's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Sierra reassigns Medicare benefits to 7 organizations: St. Vincent Medical Group (Little Rock, AR), Southern Regional Anesthesiology Consultants PLLC (Little Rock, AR), Premier Gastroenterology Associates-Anes PLLC (Little Rock, AR), Bp Anesthesia, PLLC (Little Rock, AR), Arkansas Anesthesia Associates, PLLC. (Benton, AR) and 2 more organizations, 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 Anthony Sierra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anthony Sierra accept?
Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list Anthony Sierra 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 Anthony Sierra was last updated on April 14, 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.
# Mr. Anthony Ray Sierra I, CRNA · NPI 1487042651
Nurse Anesthetist, Certified Registered physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since December 22, 2014.
## Identity
- **NPI:** 1487042651 (Entity type: Individual)
- **Enumerated:** December 22, 2014
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** C003067 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2 SAINT VINCENT CIR, Little Rock, AR 72205-5423
- **Phone:** (501) 664-4532 · **Fax:** (501) 663-4335
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): St. Vincent Medical Group (NPI 1134176480, Little Rock, AR); Southern Regional Anesthesiology Consultants PLLC (NPI 1902231673, Little Rock, AR); Premier Gastroenterology Associates-Anes PLLC (NPI 1689163982, Little Rock, AR); Bp Anesthesia, PLLC (NPI 1942736285, Little Rock, AR); Arkansas Anesthesia Associates, PLLC. (NPI 1497023360, Benton, AR); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** April 14, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1487042651) · Data from the CMS NPPES public registry.