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ANN R LARSON CRNA
NPI 1013249879
Nurse Anesthetist, Certified Registered in Springfield, IL

Active since February 04, 2010PECOS Enrolled
701 N 1ST ST, ANESTHESIA DEPARTMENT, SPRINGFIELD, IL 62781(217) 788-3754(217) 788-7071 Get Directions Write a Review

NPPES record last updated: March 10, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ann R Larson Crna NPPES

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

ANN R LARSON CRNA (NPI 1013249879) is an individual nurse anesthetist, certified registered in Springfield, Illinois, licensed in Illinois (209008036) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013249879
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameANN R LARSONCredential: CRNA
Location Address701 N 1ST ST, ANESTHESIA DEPARTMENTSpringfield, IL 62781-0001
Mailing Address701 N 1st St, Anesthesia DepartmentSpringfield, IL 62781-0001 · (217) 788-3754 · Fax (217) 788-7071
Phone(217) 788-3754
Fax(217) 788-7071
Sole ProprietorNo
Enumeration DateFebruary 4, 2010
Last NPPES UpdateMarch 10, 2010
✔ NPI 1013249879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in IL · 209008036
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.
701 N 1ST ST, Springfield, IL 62781
Open in Google Maps ↗

Other Identifiers 1

Other082677IL · Ccna Certifiction

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ann R Larson Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Ann Larson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North American Partners In Anesthesia (illinois), LLC
0.7 mi
Anesthesiology
800 E CARPENTER ST
Springfield, IL 62769
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1699032524 (630) 990-9729
Taylorville Memorial Hospital
26 mi
Critical Access
201 E PLEASANT ST
Taylorville, IL 62568
  • Reassigned Medicare billing, Illinois enrollment
  • 67 clinicians in this Medicare group
NPI 1144292020 (217) 707-5555
Abraham Lincoln Memorial Hospital
27 mi
Nurse Anesthetist, Certified Registered
200 STAHLHUT DR
Lincoln, IL 62656
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1154329753 (Illinois)
  • 44 clinicians in this Medicare group
NPI 1558586180 (217) 732-2161

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 62781 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
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.

DR. LUCAS B STOLLER PHARMD
Pharmacist (Critical Care)
701 N 1ST ST
SPRINGFIELD, IL 62781
Sangamon County (217) 588-6402
DR. REBECCA NICHOLE MAHON PHD. DABR
Radiology (Radiological Physics)
701 N 1ST ST
SPRINGFIELD, IL 62781
Sangamon County (217) 788-3000
CAROL A GORDEN CRNA
Nurse Anesthetist, Certified Registered
701 N 1ST ST
SPRINGFIELD, IL 62781
Sangamon County (217) 788-3754
MEMORIAL HOME SERVICES
Hospice Care, Community Based
701 N 1ST ST
SPRINGFIELD, IL 62781
Sangamon County (217) 788-4663
DR. SWAPNA NEKKANTI M.D
Hospitalist
701 N 1ST ST
SPRINGFIELD, IL 62781
Sangamon County (217) 528-7541
KELSEY A WALLACE CRNA
Nurse Anesthetist, Certified Registered
701 N 1ST ST
SPRINGFIELD, IL 62781
Sangamon County (217) 788-3000
MEMORIAL MEDICAL CENTER
Clinic/Center (Multi-Specialty)
701 N 1ST ST
SPRINGFIELD, IL 62781
Sangamon County (217) 788-3000
ALYSSA B. KREILING DNP
Nurse Practitioner (Adult Health)
701 N 1ST ST
SPRINGFIELD, IL 62781
Sangamon County (217) 528-7541

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 Ann Larson's NPI number?

The NPI number for Ann Larson is 1013249879. It was assigned to this individual provider in the NPPES registry on February 4, 2010.

Where is Ann Larson located?

Ann Larson practices at 701 N 1st St Anesthesia Department, Springfield, IL 62781. The listed phone number is (217) 788-3754.

What is Ann Larson's specialty?

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

Is Ann Larson enrolled in Medicare?

Yes. Ann Larson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ann Larson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Larson reassigns Medicare benefits to 3 organizations: North American Partners In Anesthesia (illinois), LLC (Springfield, IL), Taylorville Memorial Hospital (Taylorville, IL) and Abraham Lincoln Memorial Hospital (Lincoln, IL). 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 Ann Larson'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 Ann Larson was last updated on March 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.