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DR. MICHAEL J LARSON MD
NPI 1518960087
Orthopaedic Surgery in Rexburg, ID

Active since May 27, 2005PECOS EnrolledAccepts Medicare Assignment
360 EAST MAIN, REXBURG, ID 83440(208) 356-9550(208) 356-8023 Get Directions Write a Review

NPPES record last updated: December 14, 2009. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Michael J Larson Md NPPES

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

DR. MICHAEL J LARSON MD (NPI 1518960087) is an individual orthopaedic surgery provider in Rexburg, Idaho, licensed in Idaho (M5158) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Madison Memorial Hospital, and is a graduate of Loma Linda University School Of Medicine (1980).

NPPES Registry Identity

NPI1518960087
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. MICHAEL J LARSONCredential: MD
Location Address360 EAST MAINRexburg, ID 83440
Mailing Address360 East MainRexburg, ID 83440 · (208) 356-9550 · Fax (208) 356-8023
Phone(208) 356-9550
Fax(208) 356-8023
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 1980
Enumeration DateMay 27, 2005
Last NPPES UpdateDecember 14, 2009
✔ NPI 1518960087 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in ID · M5158✔ Licensed in ID · M-5158
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
360 EAST MAIN, Rexburg, ID 83440
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Other Identifiers 3

Medicare UPINC47903
Medicare PIN1119305
Medicaid003807100ID

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

Dr. Michael J Larson Md 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 ID244233351
PECOS Enrollment IDI20080612000590
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 Reassignment

Medicare enrollment records show Michael Larson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Madison Co Memorial Hospital
0.2 mi
Podiatrist
25 MADISON PROFESSIONAL PARK
Rexburg, ID 83440
  • Reassigned Medicare billing, Idaho enrollment
  • 40 clinicians in this Medicare group
NPI 1730800897 (208) 359-1400

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services31 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
15 services14 patients
Injection, methylprednisolone acetate, 80 mg J1040
Methylprednisolone acetate is a strong anti-inflammatory medication. It is often given as an 80 mg injection to reduce inflammation and pain. It's commonly used for conditions like arthritis, allergic disorders, or other inflammatory diseases.
15 services12 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
11 services11 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Madison Memorial Hospital

Acute Care Hospitals · Rexburg, ID
5/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number130025
Location450 East Main StreetRexburg, ID 83440 · Madison County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83440 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
$81.13 typical visit price
range $52.44 – $160.17
Typical copayment $20.28 (range $13.11 – $40.04)
Most-billed visit code 99203
Established Patient
$65.77 typical visit price
range $16.68 – $130.93
Typical copayment $16.44 (range $4.17 – $32.73)
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

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

DR. KEVIN M LEE M.D.
Orthopaedic Surgery
360 EAST MAIN
REXBURG, ID 83440
Madison County (208) 356-9550

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 Michael Larson's NPI number?

The NPI number for Michael Larson is 1518960087. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is Michael Larson located?

Michael Larson practices at 360 East Main, Rexburg, ID 83440. The listed phone number is (208) 356-9550.

What is Michael Larson's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Michael Larson enrolled in Medicare?

Yes. Michael Larson 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 organization bills Medicare for Michael Larson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Larson reassigns Medicare benefits to Madison Co Memorial Hospital (Rexburg, ID). The 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 Michael Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Larson affiliated with any hospitals?

According to CMS data, Michael Larson is affiliated with Madison Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Michael Larson was last updated on December 14, 2009. 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.