ELLEN COLLEEN RITTER CRNA
NPI 1861431884
Nurse Anesthetist, Certified Registered in Smyrna, TN

Active since June 05, 2006
545 STONECREST PKWY, SMYRNA, TN 37167(931) 551-1795(931) 551-1798 Get Directions Write a Review

NPPES record last updated: June 4, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ellen Colleen Ritter Crna NPPES

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

ELLEN COLLEEN RITTER CRNA (NPI 1861431884) is an individual nurse anesthetist, certified registered in Smyrna, Tennessee, licensed in Tennessee (11199) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1861431884
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameELLEN COLLEEN RITTERCredential: CRNA
Location Address545 STONECREST PKWYSmyrna, TN 37167-6804
Mailing Address110 29th Ave N Ste 202Nashville, TN 37203-1448 · (615) 327-4304 · Fax (615) 327-7940
Fax(931) 551-1798
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateJune 4, 2014
✔ NPI 1861431884 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 TN · 11199
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.
545 STONECREST PKWY, Smyrna, TN 37167

Other Identifiers 1

Medicare ID-Type Unspecified3630184TN

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ellen Colleen Ritter Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

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

Anesthesiology
391 WALLACE RD
Nashville, TN 37211
  • Reassigned Medicare billing, Tennessee enrollment
  • 86 clinicians in this Medicare group
Anesthesiology
110 29TH AVE N, STE 301
Nashville, TN 37203
  • Reassigned Medicare billing, Tennessee enrollment
  • Medicare enrollment name: Anesthesia Medical Group, P.C.
  • 757 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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
66 services54 patients
Anesthesia for procedure on eyelid 00103
Anesthesia for an eyelid procedure helps ensure comfort and painlessness during the operation. It's typically a local anesthetic, applied to numb your eyelid and surrounding area. You'll likely be awake but won't feel any discomfort. It's a safe, routine part of many eye procedures.
18 services18 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
14 services14 patients

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
545 STONECREST PKWY
SMYRNA, TN 37167
Nurse Anesthetist, Certified Registered
545 STONECREST PKWY
SMYRNA, TN 37167
Clinic/Center (Ambulatory Surgical)
545 STONECREST PKWY
SMYRNA, TN 37167
Clinic/Center (Ambulatory Surgical)
545 STONECREST PKWY
SMYRNA, TN 37167
Nurse Anesthetist, Certified Registered
545 STONECREST PKWY
SMYRNA, TN 37167
Anesthesiology
545 STONECREST PKWY
SMYRNA, TN 37167

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 Ellen Ritter's NPI number?

The NPI number for Ellen Ritter is 1861431884. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Ellen Ritter located?

Ellen Ritter practices at 545 Stonecrest Pkwy, Smyrna, TN 37167. The listed phone number is (931) 551-1795.

What is Ellen Ritter's specialty?

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

Is Ellen Ritter enrolled in Medicare?

Yes. Ellen Ritter is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ellen Ritter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Ritter reassigns Medicare benefits to 2 organizations: Nashville Anesthesia PLLC (Nashville, TN) and Anesthesia Medical Group, PC (Nashville, TN). 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 Ellen Ritter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ellen Ritter accept?

Health plans from Cigna Healthcare, Oscar Health and Oscar Insurance Company list Ellen Ritter 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 Ellen Ritter was last updated on June 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.