CHRISTOPHER JAMES RIERSON DO
NPI 1912173741
Orthopaedic Surgery in Spencer, IA

Q: What is Christopher Rierson's NPI number?

The NPI number for Christopher Rierson is 1912173741. It was assigned to this individual provider in the NPPES registry on May 1, 2008.

Q: What is Christopher Rierson's specialty?

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

Active since May 01, 2008PECOS EnrolledAccepts Medicare Assignment

1200 1ST AVE E, STE C, SPENCER, IA 51301(712) 262-7511(712) 262-3658 Get Directions Write a Review

NPPES record last updated: October 1, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Christopher James Rierson Do NPPES

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

CHRISTOPHER JAMES RIERSON DO (NPI 1912173741) is an individual orthopaedic surgery provider in Spencer, Iowa, licensed in Iowa (4395) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Spencer Municipal Hospital, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1999).

NPPES Registry Identity

NPI1912173741

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameCHRISTOPHER JAMES RIERSONCredential: DO

Location Address1200 1ST AVE E, STE CSpencer, IA 51301-4342

Mailing Address1200 1st Ave E, Ste CSpencer, IA 51301-4342 · (712) 262-7511 · Fax (712) 262-3658

Phone(712) 262-7511

Fax(712) 262-3658

Sole ProprietorNo

Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1999

Enumeration DateMay 1, 2008

Last NPPES UpdateOctober 1, 2013

✔ NPI 1912173741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in IA · 4395

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.

1200 1ST AVE E, Spencer, IA 51301

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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

Christopher James Rierson Do 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 ID244473585

PECOS Enrollment IDI20130905000406, I20161221000032

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.

Areas of Expertise CMS Part B claims 32

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.

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.

499 services305 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

344 services41 patients

Established patient office or other outpatient visit, 20-29 minutes 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.

325 services247 patients

Established patient office or other outpatient visit, 10-19 minutes 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.

215 services172 patients

Established patient office or other outpatient visit, 30-39 minutes 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

150 services144 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

139 services98 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

136 services87 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

117 services117 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

99 services78 patients

Computer-assisted surgery for muscle and bone procedure 20985

Computer-assisted surgery for muscle and bone procedures involves using a computer to aid in planning and performing surgery. This technology helps increase precision, reduce invasiveness, and improve outcomes. It's commonly used in orthopedic surgeries like joint replacements.

93 services91 patients

New patient office or other outpatient visit, 30-44 minutes 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

88 services88 patients

Aspiration and/or injection of fluid from large joint 20610

67 services38 patients

Established patient office or other outpatient visit, 20-29 minutes 99213

58 services37 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

49 services48 patients

New patient office or other outpatient visit, 45-59 minutes 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

45 services45 patients

Follow-up hospital inpatient care per day, typically 25 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

37 services36 patients

New patient office or other outpatient visit, 15-29 minutes 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.

28 services28 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

26 services26 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

21 services12 patients

Prosthetic repair of shoulder joint, total shoulder 23472

Total shoulder prosthetic repair is a surgical procedure to replace a damaged shoulder joint with artificial components. It aims to relieve pain and restore mobility. The procedure involves replacing the ball (humeral head) and socket (glenoid) of the shoulder joint.

19 services18 patients

Replacement of knee joint on side of knee 27446

A knee joint replacement on one side, also known as unicompartmental knee replacement, is a surgical procedure where damaged parts of the knee joint are replaced with artificial parts. This helps to reduce pain and improve mobility. It's typically done under general anesthesia.

19 services19 patients

Aspiration and/or injection of fluid from medium joint 20605

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

18 services15 patients

Established patient office or other outpatient visit, 10-19 minutes 99212

14 services11 patients

Shaving of part of shoulder bone and repair of ligament using an endoscope 29826

This procedure involves using a tiny camera, called an endoscope, to view and repair a damaged shoulder ligament. Simultaneously, a small portion of the shoulder bone is shaved to alleviate discomfort and improve movement. It's a minimally invasive technique that aids in a quicker recovery.

13 services13 patients

X-ray of hip, 2-3 views 73502

13 services11 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

12 services11 patients

X-ray of both hips, 2 views 73521

An X-ray of both hips, 2 views, is an imaging test that uses a small amount of radiation to create detailed pictures of your hip joints. This procedure helps to detect fractures, infections, or other abnormalities in the hip area. Two different angles will be captured for a comprehensive assessment.

12 services12 patients

New patient office or other outpatient visit, 30-44 minutes 99203

12 services12 patients

Knee replacement NAN06

A knee replacement is a surgical procedure where a damaged or diseased knee joint is replaced with an artificial one. This can relieve pain and improve mobility. The procedure involves removing damaged parts of the knee and inserting a prosthetic joint. Recovery may take several weeks.

0 services68 patients

Hip replacement NAN09

A hip replacement is a surgical procedure where a worn-out or damaged hip joint is replaced with an artificial one. This procedure can greatly reduce pain and improve mobility. It's often recommended when other treatments like physical therapy or medications fail to alleviate symptoms.

0 services31 patients

Lower limb (leg) arthroscopy (minimally invasive joint repair) NAN15

Lower limb arthroscopy is a minimally invasive procedure that allows doctors to examine and repair issues in your leg joints. It involves making small incisions through which a tiny camera and instruments are inserted. This technique can help diagnose and treat various joint problems with less pain and quicker recovery time.

0 services19 patients

Upper limb (arm) arthroscopy (minimally invasive joint repair) NAN17

Upper limb arthroscopy is a minimally invasive procedure used to examine and treat issues within your arm's joints. A small camera, called an arthroscope, is inserted through a tiny incision, providing a clear view of the joint. This method often results in less pain and faster recovery compared to open surgery.

0 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Spencer Municipal Hospital

Acute Care Hospitals · Spencer, IA

5/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number160112

Location1200 1st Avenue EastSpencer, IA 51301 · Clay County

Emergency services Birthing friendly

Lakes Regional Healthcare

Acute Care Hospitals · Spirit Lake, IA

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number160124

Location2301 Highway 71Spirit Lake, IA 51360 · Dickinson County

Emergency services Birthing friendly

Osceola Community Hospital

Critical Access Hospitals · Sibley, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161345

Location600 9th Avenue NorthSibley, IA 51249 · Osceola County

Emergency services

Avera Holy Family Hospital

Critical Access Hospitals · Estherville, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161351

Location826 North 8th StreetEstherville, IA 51334 · Emmet County

Emergency services

Kossuth Regional Health Center

Critical Access Hospitals · Algona, IA

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number161353

Location1515 South Phillips StreetAlgona, IA 50511 · Kossuth County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 51301 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$66.36 typical visit price

range $16.91 – $131.98

Typical copayment $16.59 (range $4.22 – $32.99)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Perioperative Care: Selection of Prophylactic Antibiotic - First OR Second Generation Cephalosporin

Percentage of surgical patients aged 18 years and older undergoing procedures with the indications for a first OR second generation cephalosporin prophylactic antibiotic, who had an order for a first OR second generation cephalosporin for antimicrobial…

100%86 patients

Perioperative Care: Venous Thromboembolism (VTE) Prophylaxis (When Indicated in ALL Patients)

Percentage of surgical patients aged 18 years and older undergoing procedures for which venous thromboembolism (VTE) prophylaxis is indicated in all patients, who had an order for Low Molecular Weight Heparin (LMWH), Low- Dose Unfractionated Heparin (LDUH)…

100%86 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Neuromuscular stimulator, electronic shock unit E0745

DME-Other DME · category DE000N

2 suppliers18 claims18 services$54.17 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 20

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

MIDWEST RADIOLOGY AND IMAGING PC

Clinic/Center (Medical Specialty)

1200 1ST AVE E
SPENCER, IA 51301

Clay County (712) 262-7511

DR. JOHN WILLIAM FOLLOWS JR. M.D.

Orthopaedic Surgery

1200 1ST AVE E, STE C
SPENCER, IA 51301

Clay County (712) 262-7511

DR. PHILIP AUGUSTUS DEFFER JR. M.D.

Orthopaedic Surgery (Hand Surgery)

1200 1ST AVE E, STE C
SPENCER, IA 51301

Clay County (712) 262-7511

MS. KATIE MARIE HESSE MPT

Physical Therapist

1200 1ST AVE E, STE C
SPENCER, IA 51301

Clay County (712) 262-7511

DR. CHARLES ALLEN CROUCH M.D.

Radiology (Diagnostic Radiology)

1200 1ST AVE E, SUITE C
SPENCER, IA 51301

Clay County (712) 262-7511

DR. STEPHEN JOE FRUSHOUR M.D.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

1200 1ST AVE E, STE C
SPENCER, IA 51301

Clay County (712) 262-7511

LOIS TACKE STILLMAN MNT

Dietitian, Registered

1200 1ST AVE E
SPENCER, IA 51301

Clay County (712) 264-6198

JUDY MARY ERICKSON MNT

Dietitian, Registered

1200 1ST AVE E
SPENCER, IA 51301

Clay County (712) 264-6198

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 Christopher Rierson's NPI number?

The NPI number for Christopher Rierson is 1912173741. It was assigned to this individual provider in the NPPES registry on May 1, 2008.

Where is Christopher Rierson located?

Christopher Rierson practices at 1200 1st Ave E Ste C, Spencer, IA 51301. The listed phone number is (712) 262-7511.

What is Christopher Rierson's specialty?

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

Is Christopher Rierson enrolled in Medicare?

Yes. Christopher Rierson 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.

What insurance does Christopher Rierson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 3 other insurers list Christopher Rierson 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 Christopher Rierson affiliated with any hospitals?

According to CMS data, Christopher Rierson is affiliated with Spencer Municipal Hospital, Lakes Regional Healthcare, Osceola Community Hospital, Avera Holy Family Hospital and Kossuth Regional Health Center.

When was this NPI record last updated?

The NPPES record for Christopher Rierson was last updated on October 1, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.