Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AUTUMN SAMANTHA LONGWORTH CRNA
NPI 1386204329
Nurse Anesthetist, Certified Registered in Blountville, TN

Q: What is Autumn Longworth's NPI number?

The NPI number for Autumn Longworth is 1386204329. It was assigned to this individual provider in the NPPES registry on June 20, 2019. The provider is also known as Autumn Samantha Messer Crna.

Q: What is Autumn Longworth's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Autumn Longworth was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.

Active since June 20, 2019Accepts Medicare Assignment

273 WINE CIR, BLOUNTVILLE, TN 37617(423) 416-1678 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 12, 2026, Dec 15, 2023, Jun 20, 2019 (3 updates tracked since 2019).

On this page

About Autumn Samantha Longworth Crna NPPES

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

AUTUMN SAMANTHA LONGWORTH CRNA (NPI 1386204329) is an individual nurse anesthetist, certified registered in Blountville, Tennessee, licensed in Tennessee (27826) and active in the NPI registry since June 2019. She maintains a secondary practice location in Kingsport and is a graduate of Other (2019).

NPPES Registry Identity

NPI1386204329

Entity TypeIndividualFemale

Primary Taxonomy367500000X

Provider Legal NameAUTUMN SAMANTHA LONGWORTHCredential: CRNA

Location Address273 WINE CIRBlountville, TN 37617-4315

Mailing AddressDept 888618Knoxville, TN 37995-0001 · (423) 915-9942

Phone(423) 416-1678

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJune 20, 2019

Last NPPES UpdateOctober 12, 20263 updates tracked since enumeration

NPPES CertifiedOctober 12, 2026

✔ NPI 1386204329 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

Licenses✔ Licensed in TN · 27826✔ Licensed in VA · 0024177740

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.

273 WINE CIR, Blountville, TN 37617

Open in Google Maps ↗

Other Names 1

Former Name (1)Autumn Samantha Messer Crna

Secondary Practice Location 1

Location 110415 Wallace Alley StKingsport, TN 37663-3936 · Phone (423) 390-0451

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare.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

Autumn Samantha Longworth 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 ID4880921121

PECOS Enrollment IDI20200803001628

Medicare Billing Reassignments

Medicare enrollment records show Autumn Longworth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Anesthesia Solutions Inc.

8.4 mi

Nurse Anesthetist, Certified Registered

320 BRISTOL WEST BLVD STE 1A
Bristol, TN 37620

Reassigned Medicare billing, Tennessee enrollment
31 clinicians in this Medicare group

NPI 1164772109 (423) 226-2479

Medstream Anesthesia PLLC

849 mi

Anesthesiology

2221 LAKESIDE BLVD STE 600
Richardson, TX 75082

Reassigned Medicare billing, Virginia enrollment
210 clinicians in this Medicare group

NPI 1649616160 (828) 210-9386

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.

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

113 services113 patients

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.

105 services105 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.

40 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37617 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

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$66.01 typical visit price

range $16.72 – $131.41

Typical copayment $16.50 (range $4.18 – $32.85)

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.

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 Autumn Longworth's NPI number?

The NPI number for Autumn Longworth is 1386204329. It was assigned to this individual provider in the NPPES registry on June 20, 2019. The provider is also known as Autumn Samantha Messer Crna.

Where is Autumn Longworth located?

Autumn Longworth practices at 273 Wine Cir, Blountville, TN 37617. The listed phone number is (423) 416-1678.

What is Autumn Longworth's specialty?

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

Is Autumn Longworth enrolled in Medicare?

Yes. Autumn Longworth 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 Autumn Longworth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Autumn Longworth reassigns Medicare benefits to 2 organizations: Advanced Anesthesia Solutions Inc. (Bristol, TN) and Medstream Anesthesia PLLC (Richardson, TX). 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 Autumn Longworth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Autumn Longworth accept?

Health plans from Cigna Healthcare list Autumn Longworth 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 Autumn Longworth was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.