ANNA KATE IWERSEN PA-C
NPI 1235489139
Physician Assistant in Kalispell, MT

NPI Status: Active since September 18, 2012

Contact Information

350 HERITAGE WAY STE 1200
KALISPELL, MT
ZIP 59901
Phone: (406) 752-6784
Fax: (406) 756-4111

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  • Individual
  • Female
  • Years of Experience 14
  • Physician Assistant
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ANNA IWERSEN

This page provides the complete NPI Profile along with additional information for Anna Iwersen, a primary care provider established in Kalispell, Montana with a medical specialization in Physician Assistant and more than 14 years of experience. The healthcare provider is registered in the NPI registry with number 1235489139 assigned on September 2012. The practitioner's primary taxonomy code is 363A00000X with license number MED-PAC-LIC-91714 (MT). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1235489139
Provider Name
ANNA KATE IWERSEN PA-C
Gender
Female
Entity Type
Individual
Location Address
350 HERITAGE WAY STE 1200 KALISPELL, MT 59901
Location Phone
(406) 752-6784
Location Fax
(406) 756-4111
Mailing Address
350 HERITAGE WAY STE 1200 KALISPELL, MT 59901
Mailing Phone
(406) 752-6784
Mailing Fax
(406) 756-4111
Medical School Name
OTHER
Graduation Year
2012
Is Sole Proprietor?
No
Enumeration Date
09-18-2012
Last Update Date
04-18-2025
Code Navigator

A primary care provider (PCP) like Anna Iwersen sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc

Location Map

Secondary Locations

  • 111 Sunnyview Ln
    Kalispell, MT 59901
    (406) 752-7900

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Physician Assistant

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
MED-PAC-LIC-91714
License State
MT
Taxonomy Description
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1363A00000XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant

015681 (NY)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Blue Focus Bronze POS? 205 - POS
  • Blue Focus Bronze POS? 705 - POS
  • Blue Focus Bronze POS? Standard - POS
  • Blue Focus Gold POS? 207 - POS
  • Blue Focus Gold POS? 902 - POS
  • Blue Focus Gold POS? Standard - POS
  • Blue Focus Silver POS? 206 - POS
  • Blue Focus Silver POS? 903 - POS
  • Blue Focus Silver POS? Standard - POS
  • Blue Preferred Bronze PPO? 201 - PPO
  • Blue Preferred Bronze PPO? 202 - PPO
  • Blue Preferred Bronze PPO? Standard - PPO
  • Blue Preferred Gold PPO? 204 - PPO
  • Blue Preferred Gold PPO? 901 - PPO
  • Blue Preferred Gold PPO? Standard - PPO
  • Blue Preferred Security PPO? 200 - PPO
  • Blue Preferred Silver PPO? 203 - PPO
  • Blue Preferred Silver PPO? 308 - PPO
  • Blue Preferred Silver PPO? Standard - PPO
  • Peak PPO Bronze HDHP - PPO
  • Peak PPO Bronze Standard - PPO
  • Peak PPO Catastrophic - PPO
  • Peak PPO Gold - PPO
  • Peak PPO Gold Standard - PPO
  • Peak PPO Silver - PPO
  • Peak PPO Silver Standard - PPO
  • Plus Bronze - PPO
  • Plus Bronze Standard - PPO
  • Plus Gold - PPO
  • Plus Gold Standard - PPO
  • Plus Silver Standard - PPO
  • PEAK PPO BRONZE - PPO
  • PEAK PPO BRONZE HDHP - PPO
  • PEAK PPO GOLD - PPO
  • PEAK PPO GOLD HDHP - PPO
  • PEAK PPO SILVER - PPO
  • PEAK PPO SILVER HDHP - PPO
  • Plus Bronze HDHP - PPO
  • Plus Gold HDHP - PPO
  • HSA Qualified 7500 Bronze - Choice Network - EPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Choice Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Choice Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Choice Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Anna Iwersen is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Anna Iwersen is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3678828555

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20211006000947

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Anchoring of biceps tendon

Anchoring of the biceps tendon is a surgical procedure aimed at restoring stability to your arm. The surgeon secures your biceps tendon to the bone using special anchors, which helps to reduce pain and improve arm function.

This service was performed 17 times for 17 patients

Aspiration and/or injection of fluid from large joint

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.

This service was performed 69 times for 55 patients

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

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.

This service was performed 69 times for 61 patients

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

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.

This service was performed 27 times for 26 patients

Hyaluronan or derivative, monovisc, for intra-articular injection, per dose

Monovisc is a treatment involving an injection of hyaluronan or its derivative into a joint, often the knee. This substance, found naturally in joint fluid, helps lubricate and cushion the joint. The injection can help ease pain, improve mobility, and reduce inflammation caused by arthritis.

This service was performed 15 times for 11 patients

Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg

Synvisc or Synvisc-One is a treatment involving an injection of a substance called hyaluronan into your joints. This substance, naturally found in the body, helps lubricate and cushion your joints, reducing pain and improving mobility. It's often used for arthritis patients.

This service was performed 1,442 times for 25 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

This service was performed 24 times for 15 patients

Knee replacement

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.

This service was performed for 1-10 patients

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

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.

This service was performed 36 times for 36 patients

Prosthetic repair of shoulder joint, total shoulder

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.

This service was performed 17 times for 17 patients

Repair of shoulder rotator cuff using an endoscope

This procedure, known as arthroscopic rotator cuff repair, helps fix tears in the shoulder's rotator cuff. An endoscope, a small camera, is used to view the shoulder inside. Using small tools, the surgeon repairs the torn tissue. This minimally invasive approach often leads to a quicker recovery.

This service was performed 19 times for 19 patients

Replacement of knee joint, both sides of knee

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.

This service was performed 39 times for 37 patients

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

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.

This service was performed 15 times for 15 patients

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

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.

This service was performed for 1-10 patients

X-ray for bone length assessment

An X-ray for bone length assessment is a simple, non-invasive imaging test. It helps to evaluate the length of your bones and identify any discrepancies or abnormalities. This procedure is quick, painless, and provides valuable information for your healthcare provider.

This service was performed 42 times for 39 patients

X-ray of knee, 3 views

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.

This service was performed 42 times for 38 patients

X-ray of knee, 4 or more views

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.

This service was performed 44 times for 36 patients

X-ray of shoulder, minimum of 2 views

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.

This service was performed 41 times for 36 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.99 for a new patient copayment and $17.7 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 59901 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $87.97
  • Minimum New Patient Price $56.81
  • Maximum New Patient Price $172.26
  • Average New Patient Copayment $21.99
  • Minimum New Patient Copayment $14.2
  • Maximum New Patient Copayment $43.06

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $70.82
  • Minimum Established Patient Price $18.24
  • Maximum Established Patient Price $140.32
  • Average Established Patient Copayment $17.7
  • Minimum Established Patient Copayment $4.56
  • Maximum Established Patient Copayment $35.08

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Anna Iwersen is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
LOGAN HEALTH MEDICAL CENTER310 SUNNYVIEW LANE
KALISPELL, MT 59901
(406) 752-5111Acute Care Hospitals
LOGAN HEALTH - WHITEFISH1600 HOSPITAL WAY
WHITEFISH, MT 59937
(406) 863-3550Critical Access Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1235489139, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 4 → 8 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 6 + 5 + 8 + 8 + 1 + 8 + 1 + 6 + 24 = 71

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1235489139.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Orthopaedic Surgery (Hand Surgery)
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Physician Assistant
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Occupational Therapist
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Nurse Practitioner
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Clinic/Center
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Orthopaedic Surgery
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Orthopaedic Surgery
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Clinic/Center
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Physician Assistant
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Orthopaedic Surgery
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Physician Assistant
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Physician Assistant
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Clinic/Center
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Occupational Therapist
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Nurse Practitioner
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Occupational Therapist
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Orthopaedic Surgery (Hand Surgery)
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901
Orthopaedic Surgery (Hand Surgery)
350 HERITAGE WAY STE 1200
KALISPELL, MT 59901

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235489139, enumerated as an "individual" on September 18, 2012.

The provider is located at 350 HERITAGE WAY STE 1200 KALISPELL, MT 59901 and the phone number is (406) 752-6784.

Physician Assistant with taxonomy code 363A00000X.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana, Mountain. Please consult your insurance carrier or call the provider to verify.

Anna Iwersen is affiliated with: LOGAN HEALTH MEDICAL CENTER and LOGAN HEALTH - WHITEFISH.