STEVEN THOMAS MATTHIESEN
NPI 1841629441
Nurse Anesthetist, Certified Registered in Granger, IN

Active since November 04, 2013Accepts Medicare Assignment
50820 SUMMIT HILL CT, SHADOWFAX ANESTHESIA, GRANGER, IN 46530(312) 415-1137 Get Directions Write a Review

NPPES record last updated: November 28, 2015. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Steven Thomas Matthiesen NPPES

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

STEVEN THOMAS MATTHIESEN (NPI 1841629441) is an individual nurse anesthetist, certified registered in Granger, Indiana, licensed in Indiana (28212067A) and active in the NPI registry since November 2013. He is affiliated with Unity Physicians Hospital and is a graduate of Other (2013).

NPPES Registry Identity

NPI1841629441
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameSTEVEN THOMAS MATTHIESEN
Location Address50820 SUMMIT HILL CT, SHADOWFAX ANESTHESIAGranger, IN 46530-9720
Mailing Address50820 Summit Hill Ct, Shadowfax AnesthesiaGranger, IN 46530-9720 · (312) 415-1137
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateNovember 4, 2013
Last NPPES UpdateNovember 28, 2015
NPI 1841629441 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 IN · 28212067A
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.

50820 SUMMIT HILL CT, Granger, IN 46530

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Steven Thomas Matthiesen 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 ID3971731910
PECOS Enrollment IDI20140120000651

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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.
85 services75 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.
55 services55 patients
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.
31 services31 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.
24 services24 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.
22 services22 patients
Ultrasonic guidance for needle placement 76942
Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

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 46530 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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

The NPI number assigned to this healthcare provider is 1841629441, enumerated as an "individual" on November 04, 2013.

The provider is located at 50820 SUMMIT HILL CT SHADOWFAX ANESTHESIA GRANGER, IN 46530 and the phone number is (312) 415-1137.

Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.

Steven Matthiesen is affiliated with: UNITY PHYSICIANS HOSPITAL.