RICKI A LOENSER CRNA
NPI 1649635426
Nurse Anesthetist, Certified Registered in Niles, MI

Active since December 22, 2015Accepts Medicare Assignment
31 N SAINT JOSEPH AVE, NILES, MI 49120(269) 556-7948(269) 687-1472 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 5, 2026, Dec 22, 2015 (2 updates tracked since 2015).

About Ricki A Loenser Crna NPPES

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

RICKI A LOENSER CRNA (NPI 1649635426) is an individual nurse anesthetist, certified registered in Niles, Michigan, licensed in Michigan (4704313687) and active in the NPI registry since December 2015. He is affiliated with Saint Joseph Regional Medical Center and is a graduate of Other (2015).

NPPES Registry Identity

NPI1649635426
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameRICKI A LOENSERCredential: CRNA
Location Address31 N SAINT JOSEPH AVENiles, MI 49120-2207
Mailing Address31 N Saint Joseph AveNiles, MI 49120-2207 · (269) 556-7948 · Fax (269) 687-1472
Fax(269) 687-1472
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateDecember 22, 2015
Last NPPES UpdateJanuary 5, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
✔ NPI 1649635426 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 MI · 4704313687✔ Licensed in IN · 28147939A
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.
31 N SAINT JOSEPH AVE, Niles, MI 49120

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

Ricki A Loenser 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 ID3678878337
PECOS Enrollment IDI20180410002862

Medicare Billing Reassignments

9

Medicare enrollment records show Ricki Loenser reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
1234 NAPIER AVE
Saint Joseph, MI 49085
  • Reassigned Medicare billing, Michigan enrollment
  • 249 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
51050 BITTERSWEET RD
Granger, IN 46530
  • Reassigned Medicare billing, Indiana enrollment
  • 16 clinicians in this Medicare group
Family Medicine
611 E DOUGLAS RD, STE 406, FAMILY MEDICINE FACULTY PHYSICIANS
Mishawaka, IN 46545
  • Reassigned Medicare billing, Indiana enrollment
  • 216 clinicians in this Medicare group
Anesthesiology
5215 HOLY CROSS PKWY
Mishawaka, IN 46545
  • Reassigned Medicare billing, Indiana enrollment
  • 76 clinicians in this Medicare group
Anesthesiology
4455 EDISON LAKES PKWY
Mishawaka, IN 46545
  • Reassigned Medicare billing, Indiana enrollment
  • 54 clinicians in this Medicare group
Clinic/Center
211 N EDDY ST
South Bend, IN 46617
  • Reassigned Medicare billing, Indiana enrollment
  • 211 clinicians in this Medicare group
Anesthesiology
500 ARCADE AVE STE 100
Elkhart, IN 46514
  • Reassigned Medicare billing, Indiana enrollment
  • 104 clinicians in this Medicare group
Anesthesiology
900 I ST
La Porte, IN 46350
  • Reassigned Medicare billing, Indiana enrollment
  • 141 clinicians in this Medicare group
Anesthesiology
1020 HIGH RD
Bremen, IN 46506
  • Reassigned Medicare billing, Indiana enrollment
  • 97 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 5

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 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.
35 services35 patients
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.
27 services23 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
17 services17 patients
Anesthesia for other procedure on upper abdomen 00790
Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.
13 services13 patients
Anesthesia for total hip replacement 01214
Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.
12 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Joseph Regional Medical Center

Acute Care Hospitals · Mishawaka, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150012
Location5215 Holy Cross PkwyMishawaka, IN 46545 · St. Joseph County
Emergency services Birthing friendly

Unity Physicians Hospital

Acute Care Hospitals · Mishawaka, IN
OwnershipPhysician
CMS Certification Number150177
Location4455 Edison Lakes PkwyMishawaka, IN 46545 · St. Joseph County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49120 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

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.

Nurse Anesthetist, Certified Registered
31 N SAINT JOSEPH AVE
NILES, MI 49120
Pharmacy (Institutional Pharmacy)
31 N SAINT JOSEPH AVE
NILES, MI 49120
Nurse Anesthetist, Certified Registered
31 N SAINT JOSEPH AVE
NILES, MI 49120
Nurse Practitioner (Family)
31 N SAINT JOSEPH AVE
NILES, MI 49120
Nurse Anesthetist, Certified Registered
31 N SAINT JOSEPH AVE
NILES, MI 49120
Nurse Anesthetist, Certified Registered
31 N SAINT JOSEPH AVE
NILES, MI 49120
Physical Therapist
31 N SAINT JOSEPH AVE
NILES, MI 49120
Nurse Anesthetist, Certified Registered
31 N SAINT JOSEPH AVE
NILES, MI 49120

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 Ricki Loenser's NPI number?

The NPI number for Ricki Loenser is 1649635426. It was assigned to this individual provider in the NPPES registry on December 22, 2015.

Where is Ricki Loenser located?

Ricki Loenser practices at 31 N Saint Joseph Ave, Niles, MI 49120. The listed phone number is (269) 556-7948.

What is Ricki Loenser's specialty?

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

Is Ricki Loenser enrolled in Medicare?

Yes. Ricki Loenser 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 Ricki Loenser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ricki Loenser reassigns Medicare benefits to 9 organizations: Lakeland Hospitals At Niles And St Joseph, Inc (Saint Joseph, MI), Cardinal Anesthesia, LLC (Granger, IN), Saint Joseph Regional Medical Center-South Bend Campus, Inc. (Mishawaka, IN), Cep America - Anesthesia PC (Mishawaka, IN), United Surgeons, LLC (Mishawaka, IN) and 4 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 Ricki Loenser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ricki Loenser affiliated with any hospitals?

According to CMS data, Ricki Loenser is affiliated with Saint Joseph Regional Medical Center and Unity Physicians Hospital.

When was this NPI record last updated?

The NPPES record for Ricki Loenser was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.