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BENJAMIN JOSEPH KARSTEN MD
NPI 1124227137
Surgery in Boise, ID

Active since July 11, 2007PECOS EnrolledAccepts Medicare Assignment
83.32/100
CMS Quality Rating
100 WARM SPRINGS AVE, STE B, BOISE, ID 83712(208) 381-2222 Get Directions Write a Review

NPPES record last updated: March 3, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Benjamin Joseph Karsten Md NPPES

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

BENJAMIN JOSEPH KARSTEN MD (NPI 1124227137) is an individual surgery provider in Boise, Idaho, licensed in Idaho (M11376) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with St Lukes Magic Valley Medical Center, and is a graduate of University Of Utah School Of Medicine (2004).

NPPES Registry Identity

NPI1124227137
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameBENJAMIN JOSEPH KARSTENCredential: MD
Location Address100 WARM SPRINGS AVE, STE BBoise, ID 83712-6243
Mailing Address190 E Bannock StBoise, ID 83712-6241 · (208) 706-8526
Phone(208) 381-2222
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2004
Enumeration DateJuly 11, 2007
Last NPPES UpdateMarch 3, 2016
✔ NPI 1124227137 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in ID · M11376✔ Licensed in CA · A92800
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
100 WARM SPRINGS AVE, Boise, ID 83712
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Other Identifiers 1

Medicare PIN20000460ID

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan.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

Benjamin Joseph Karsten 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 ID5092892398
PECOS Enrollment IDI20110920000933
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 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.
40 services30 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
37 services37 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
18 services15 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 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.
17 services17 patients
Diagnostic exam of rectum and lower large bowel using an endoscope 45300
This procedure, known as a sigmoidoscopy, involves using a thin, flexible instrument called an endoscope to examine your lower large bowel and rectum. This helps in identifying any abnormalities or issues that could affect your digestive health.
14 services12 patients

Hospital Affiliations CMS Care Compare 4

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

St Lukes Magic Valley Medical Center

Acute Care Hospitals · Twin Falls, ID
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number130002
Location801 Pole Line Road WestTwin Falls, ID 83301 · Twin Falls County
Emergency services Birthing friendly

St Luke's Regional Medical Center

Acute Care Hospitals · Boise, ID
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number130006
Location190 East Bannock StreetBoise, ID 83712 · Ada County
Emergency services Birthing friendly

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 Luke's Nampa Medical Center

Acute Care Hospitals · Nampa, ID
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number130071
Location9850 West St Lukes DriveNampa, ID 83687 · Canyon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83712 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.

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.

83.32/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.51
Promoting Interoperability100
Improvement Activities40
Cost64.88

Referred Medical Equipment & Supplies CMS DME claims 11

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

Skin barrier; solid, 4 x 4 or equivalent; each A4362
DME-Orthotic Devices · category DF010N
4 suppliers16 claims330 services$2.56 avg. paid by Medicare
Ostomy belt, each A4367
DME-Orthotic Devices · category DF010N
6 suppliers12 claims12 services$6.72 avg. paid by Medicare
Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
8 suppliers34 claims653 services$4.65 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
9 suppliers54 claims604 services$2.38 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
5 suppliers18 claims285 services$8.45 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409
DME-Orthotic Devices · category DF010N
6 suppliers36 claims606 services$5.69 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 4

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

DR. LEON WILLIAM NOWIERSKI M.D.
Dermatology
100 WARM SPRINGS AVE, SUITE A
BOISE, ID 83712
Ada County (208) 343-5910
DR. J. CHRIS CHRISTOPHER KANTARIAN MD
Colon & Rectal Surgery
100 WARM SPRINGS AVE, STE B
BOISE, ID 83712
Ada County (208) 381-6930
L. WILLIAM D. NOWIERSKI, M.D. PA
Clinic/Center (Medical Specialty)
100 WARM SPRINGS AVE, STE. A
BOISE, ID 83712
Ada County (208) 343-5910
RENEE A. BOURQUARD MD
Surgery
100 WARM SPRINGS AVE, STE B
BOISE, ID 83712
Ada County (208) 381-6930

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 Benjamin Karsten's NPI number?

The NPI number for Benjamin Karsten is 1124227137. It was assigned to this individual provider in the NPPES registry on July 11, 2007.

Where is Benjamin Karsten located?

Benjamin Karsten practices at 100 Warm Springs Ave Ste B, Boise, ID 83712. The listed phone number is (208) 381-2222.

What is Benjamin Karsten's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Benjamin Karsten enrolled in Medicare?

Yes. Benjamin Karsten 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 Benjamin Karsten accept?

Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Benjamin Karsten 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 Benjamin Karsten affiliated with any hospitals?

According to CMS data, Benjamin Karsten is affiliated with St Lukes Magic Valley Medical Center, St Luke's Regional Medical Center, Saint Alphonsus Regional Medical Center and St Luke's Nampa Medical Center.

When was this NPI record last updated?

The NPPES record for Benjamin Karsten was last updated on March 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.