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ANN ELIZABETH KNIERIM M.D.
NPI 1346402757
Orthopaedic Surgery - Orthopaedic Trauma in Boise, ID

Active since June 26, 2008PECOS EnrolledAccepts Medicare Assignment
901 N CURTIS ROAD, STE 501, BOISE, ID 83706(208) 302-3900(208) 302-3905 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 21, 2022, Aug 30, 2017 (2 updates tracked since 2017).

About Ann Elizabeth Knierim M.d. NPPES

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

ANN ELIZABETH KNIERIM M.D. (NPI 1346402757) is an individual orthopaedic trauma provider in Boise, Idaho, licensed in Idaho (M-13829) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Regional Medical Center, and is a graduate of Creighton University School Of Medicine (2008).

NPPES Registry Identity

NPI1346402757
Entity TypeIndividualFemale
Primary Taxonomy207XX0801X
Provider Legal NameANN ELIZABETH KNIERIMCredential: M.D.
Location Address901 N CURTIS ROAD, STE 501Boise, ID 83706
Mailing Address3340 E Goldstone WayMeridian, ID 83642-1026 · (208) 302-3900 · Fax (208) 302-3905
Phone(208) 302-3900
Fax(208) 302-3905
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2008
Enumeration DateJune 26, 2008
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1346402757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic TraumaAllopathic & Osteopathic Physicians
Taxonomy Code207XX0801X
Licenses✔ Licensed in ID · M-13829✔ Licensed in NV · 14737
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic trauma surgeons deal with the evaluation and management of acute orthopaedic injuries, evaluation and treatment of post-traumatic deformities and nonunions, acute and delayed reconstruction of pelvic and acetabular fractures, as well as osteotomy in the adult hip for treatment of hip arthritis.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License M-13829 (ID), 14737 (NV), 5867 (NE)
901 N CURTIS ROAD, Boise, ID 83706
Open in Google Maps ↗

Other Identifiers 1

Other28061NE · Nebraska License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Molina Healthcare, Select Health.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

Ann Elizabeth Knierim M.d. 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 ID5092956326
PECOS Enrollment IDI20170914003303, I20240722000795
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 Reassignments

3

Medicare enrollment records show Ann Knierim reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saint Alphonsus Regional Medical Center Inc
0.1 mi
Psychologist
1055 N CURTIS RD
Boise, ID 83706
  • Reassigned Medicare billing, Idaho enrollment
  • 781 clinicians in this Medicare group
NPI 1649357716 (208) 367-4148
Billings Cinic
266 mi
Family Medicine
236 YELLOWSTONE AVE
West Yellowstone, MT 59758
  • Reassigned Medicare billing, Montana enrollment
  • Medicare enrollment name: Billings Clinic
  • 1,264 clinicians in this Medicare group
NPI 1710600119 (406) 238-2500
St Peters Hospital
292 mi
Family Medicine
820 N MONTANA AVENUE, FAMILY HEALTH CLINIC
Helena, MT 59601
  • Reassigned Medicare billing, Montana enrollment
  • Medicare enrollment name: St Peters Health
  • 304 clinicians in this Medicare group
NPI 1154435055 (406) 447-2841

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 2

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services17 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Saint Alphonsus Regional Medical Center

Acute Care Hospitals · Boise, ID
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number130007
Location1055 North Curtis RoadBoise, ID 83706 · Ada County
Emergency services Birthing friendly

St Peters Health

Acute Care Hospitals · Helena, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270003
Location2475 BroadwayHelena, MT 59601 · Lewis And Clark County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier13 claims13 services$16.85 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

EMILY ROSE ANN SQUYER MD
Orthopaedic Surgery (Orthopaedic Trauma)
901 N CURTIS ROAD, STE 501
BOISE, ID 83706
Ada County (208) 302-3900

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 Ann Knierim's NPI number?

The NPI number for Ann Knierim is 1346402757. It was assigned to this individual provider in the NPPES registry on June 26, 2008.

Where is Ann Knierim located?

Ann Knierim practices at 901 N Curtis Road Ste 501, Boise, ID 83706. The listed phone number is (208) 302-3900.

What is Ann Knierim's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Trauma, with taxonomy code 207XX0801X.

Is Ann Knierim enrolled in Medicare?

Yes. Ann Knierim 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 Ann Knierim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Knierim reassigns Medicare benefits to 3 organizations: Saint Alphonsus Regional Medical Center Inc (Boise, ID), Billings Cinic (West Yellowstone, MT) and St Peters Hospital (Helena, MT). 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 Ann Knierim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ann Knierim accept?

Health plans from Blue Cross and Blue Shield of Montana, Molina Healthcare and Select Health list Ann Knierim 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.

Is Ann Knierim affiliated with any hospitals?

According to CMS data, Ann Knierim is affiliated with Saint Alphonsus Regional Medical Center and St Peters Health.

When was this NPI record last updated?

The NPPES record for Ann Knierim was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.