Active NPI 1124227137 Individual Practitioner Male Practitioner

Dr. Benjamin Joseph Karsten , MD

Surgery • Boise, ID

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Benjamin Karsten, MD is a certified Surgery practicing in Boise, ID. With approximately 22 years of clinical experience since graduating from University Of Utah School Of Medicine in 2004, Dr. Karsten delivers high-quality medical care to the local community at 100 WARM SPRINGS AVE.

Dr. Karsten is affiliated with St Lukes Clinic-Treasure Valley Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, diagnostic examination of the anus using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

100 Warm Springs Ave
Ste B

Boise, ID 837126243

Telephone 2083812222

Associated Practice Facility / Clinic

🏢 L. William D. Nowierski, M.d. Pa Facility NPI 1710166004

Medicare Profile & Education

Medical School

University Of Utah School Of Medicine

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Boise, ID

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

22 Yrs +1.5 yrs vs City Avg

City Avg: 20.5 Yrs

State Avg: 20.2 Yrs

Regional Practice Density

44 Specialists

Practicing in Boise, ID (187 Statewide)

Telehealth Adoption Rate

4.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

59.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Karsten (22 Years) 22 Yrs

Boise Specialty Average (20.5 Years) 20.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	40	30	$147.22	$60.94
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	37	37	$402.49	$167.04
46600 Diagnostic examination of the anus using an endoscope	18	15	$103.33	$37.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$183.00	$75.53
45300 Diagnostic examination of rectum and large bowel using an endoscope	14	12	$119.29	$43.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	57	44	$142.89	$62.31
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$395.43	$170.20
45300 Diagnostic examination of rectum and large bowel using an endoscope	20	18	$110.25	$44.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$290.00	$125.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$186.29	$77.46
44205 Partial removal of small and large bowel with attachment of small and large bowel using an endoscope	13	13	$3009.46	$1165.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	54	43	$116.17	$63.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$273.64	$127.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$172.48	$78.25
45300 Diagnostic examination of rectum and large bowel using an endoscope	26	23	$110.00	$44.28
46600 Diagnostic examination of the anus using an endoscope	18	18	$96.44	$37.33
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$360.33	$172.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	49	44	$97.47	$64.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$254.60	$129.30
45300 Diagnostic examination of rectum and large bowel using an endoscope	40	36	$113.95	$44.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$158.85	$79.27
46600 Diagnostic examination of the anus using an endoscope	19	18	$92.00	$37.36
99442 Telephone medical discussion with physician, 11-20 minutes	15	14	$104.80	$64.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$157.00	$73.00
99213 Established patient office or other outpatient visit, typically 15 minutes	32	28	$96.00	$49.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$250.00	$124.90
45300 Diagnostic examination of rectum and large bowel using an endoscope	19	16	$110.00	$46.28
46221 Removal of external hemorrhoids by rubber banding	16	14	$430.00	$183.66
46600 Diagnostic examination of the anus using an endoscope	14	12	$92.00	$38.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	69	58	$95.28	$49.20
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$243.68	$123.81
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$161.59	$72.87
46600 Diagnostic examination of the anus using an endoscope	32	31	$92.81	$39.00
45300 Diagnostic examination of rectum and large bowel using an endoscope	24	19	$118.75	$45.80
46221 Removal of external hemorrhoids by rubber banding	19	14	$432.95	$182.17
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$315.75	$161.60
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	11	$146.33	$75.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	81	81	$163.00	$72.32
99213 Established patient office or other outpatient visit, typically 15 minutes	71	52	$95.00	$48.74
46600 Diagnostic examination of the anus using an endoscope	38	30	$93.00	$38.72
45300 Diagnostic examination of rectum and large bowel using an endoscope	29	27	$124.00	$51.21
46221 Removal of external hemorrhoids by rubber banding	24	21	$434.00	$178.52
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	15	$45.00	$24.17
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	12	12	$4202.00	$1709.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	76	76	$150.84	$72.08
99213 Established patient office or other outpatient visit, typically 15 minutes	49	39	$95.00	$48.32
45300 Diagnostic examination of rectum and large bowel using an endoscope	23	18	$130.57	$49.90
46221 Removal of external hemorrhoids by rubber banding	22	16	$434.00	$177.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	20	$45.00	$24.07
46600 Diagnostic examination of the anus using an endoscope	20	16	$93.00	$38.30

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License ID M11376

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License CA A92800

Hospital & Practice Group Affiliations

St Lukes Clinic-Treasure Valley Llc

610 W Hays St, Boise, ID 837025511

Phone: 2083815970

St Lukes Clinic-Treasure Valley Llc

190 E Bannock St, Boise, ID 837126241

Phone: 2083819384

St Lukes Clinic-Treasure Valley Llc

100 E Bannock St, Boise, ID 837126241

Phone: 2083812983

St Lukes Clinic-Treasure Valley Llc

608 W Hays St, Boise, ID 837025511

Phone: 2083815970

St Lukes Clinic-Treasure Valley Llc

100 E Idaho St, Boise, ID 837126269

St Lukes Clinic-Treasure Valley Llc

100 E Idaho St, Boise, ID 837126267

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Nora Suarez , NP

Nurse Practitioner - Neonatal, Critical Care

NPI 1003068677

Nurse Practitioner

Allison May

Nurse Anesthetist, Certified Registered

NPI 1003670845

Nathan Call , CRNA

Nurse Anesthetist, Certified Registered

NPI 1013557032

Certified Registered Nurse Anesthetist

Dr. Ashley Jackson , PharmD

Pharmacist - Emergency Medicine

NPI 1013690908

Doctor of Pharmacy (Pharm.D.)

Madeline Tripp

Nurse Anesthetist, Certified Registered

NPI 1013898345

Laresa Janousek , NP

Nurse Practitioner - Neonatal

NPI 1013949155

Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active March 03, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location March 03, 2016

Registered at 100 WARM SPRINGS AVE, STE B, BOISE, ID 837126243 (Tel: 2083812222)

📍

Updated Business Mailing Address March 03, 2016

Registered at 190 E BANNOCK ST, BOISE, ID 837126241 (Tel: 2087068526)

👤

Provider Name / Credentials Updated March 03, 2016

Recorded as BENJAMIN KARSTEN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 03, 2016

Surgery (License #M11376 in ID)

🟢

Initial NPI Registration & Enumeration July 11, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1124227137

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 11, 2007

Last Update: March 03, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

190 E Bannock St

Boise, ID 837126241

Phone: 2087068526

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.