Active NPI 1164632410 Individual Practitioner Male Practitioner

Dr. James D Larson , MD

Surgery • Grafton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. James Larson, MD is a certified Surgery practicing in Grafton, WI. With approximately 19 years of clinical experience since graduating from Medical College Of Wisconsin in 2007, Dr. Larson delivers high-quality medical care to the local community at 975 PORT WASHINGTON RD.

Dr. Larson is affiliated with Aurora Advanced Healthcare, Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

975 Port Washington Rd
Suite 320

Grafton, WI 530249201

Telephone 2623298100

Associated Practice Facility / Clinic

🏢 Aurora Medical Center Grafton Facility NPI 1124463815

Medicare Profile & Education

Medical School

Medical College Of Wisconsin

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Grafton, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

19 Yrs -2.0 yrs vs City Avg

City Avg: 21.0 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

5 Specialists

Practicing in Grafton, WI (765 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

81.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Larson (19 Years) 19 Yrs

Grafton Specialty Average (21.0 Years) 21.0 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
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	99	99	$510.00	$101.78
99213 Established patient office or other outpatient visit, typically 15 minutes	47	42	$350.00	$84.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	43	22	$390.00	$72.80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	35	35	$620.00	$113.47
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	13	13	$1460.00	$250.97

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	77	77	$485.00	$104.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	59	32	$370.00	$74.23
99213 Established patient office or other outpatient visit, typically 15 minutes	46	43	$330.00	$85.02
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	42	41	$590.00	$121.72

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	75	75	$460.00	$103.53
99213 Established patient office or other outpatient visit, typically 15 minutes	63	49	$313.00	$86.03
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	18	$355.00	$67.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	25	25	$565.00	$126.72

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	88	88	$430.00	$107.27
99213 Established patient office or other outpatient visit, typically 15 minutes	33	29	$295.00	$85.12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	15	$330.00	$69.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	27	$439.26	$123.50
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	18	$535.00	$130.34
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	11	11	$1250.00	$287.38

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	49	49	$407.00	$104.54
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	41	21	$315.00	$71.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	36	$416.00	$103.55
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$510.00	$133.76
99213 Established patient office or other outpatient visit, typically 15 minutes	16	16	$281.00	$73.14

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	43	43	$389.00	$104.20
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	41	21	$307.00	$63.69
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$488.00	$132.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	25	$400.67	$105.53
99213 Established patient office or other outpatient visit, typically 15 minutes	16	14	$273.75	$71.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	156	51	$292.00	$68.61
99221 Initial hospital inpatient care per day, typically 30 minutes	54	51	$409.67	$93.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	45	$376.57	$103.29
99231 Follow-up hospital inpatient care per day, typically 15 minutes	34	24	$207.00	$35.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	16	$465.00	$115.27
99213 Established patient office or other outpatient visit, typically 15 minutes	16	15	$260.38	$58.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	148	57	$278.00	$68.02
99221 Initial hospital inpatient care per day, typically 30 minutes	63	58	$383.51	$94.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	30	$359.53	$100.92
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	12	$197.00	$30.55
99213 Established patient office or other outpatient visit, typically 15 minutes	15	13	$240.00	$70.04
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$445.33	$131.01

Medical Specialties & State Licenses

CMS Verified: 2025-06-13

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WI 60324

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

100030318 (WI)

Commercial Insurance / Payer ID Acgme Training License

C7-0003751 (DE)

Hospital & Practice Group Affiliations

Aurora Advanced Healthcare, Inc.

1475 W Grand Ave, Port Washington, WI 530742074

Phone: 2622685100

Aurora Advanced Healthcare, Inc.

12203 N Corporate Pkwy, Mequon, WI 530923388

Phone: 2623878200

Aurora Advanced Healthcare, Inc.

3003 W Good Hope Rd, Milwaukee, WI 532092042

Phone: 4143523100

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. Rose Dotson , MD

Psychiatry & Neurology - Neurology

NPI 1154404721

Doctor of Medicine (M.D.)

Dr. Sameer Sharma , MD

Urology

NPI 1245204197

Doctor of Medicine (M.D.)

Mary Yellick , APNP

Nurse Practitioner - Family

NPI 1508812918

Advanced Practice Nurse Prescriber

Nicole White , NP

Nurse Practitioner

NPI 1649521345

Nurse Practitioner

Kathleen Klement , NP

Nurse Practitioner

NPI 1700259462

Nurse Practitioner

Ashley Clewien , NP

Nurse Practitioner

NPI 1730577784

Nurse Practitioner

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Business Mailing Address June 13, 2025

Registered at PO BOX 735044, CHICAGO, IL 606735044 (Tel: 8003262250)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 13, 2025

Surgery (License #60324 in WI)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 22, 2021

Surgery (License #C7-0003751 in DE)

✅

NPI Profile Active July 09, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location July 09, 2013

Registered at 975 PORT WASHINGTON RD, SUITE 320, GRAFTON, WI 530249201 (Tel: 2623298100)

📍

Updated Business Mailing Address July 09, 2013

Registered at 3003 W GOOD HOPE RD, MILWAUKEE, WI 532092042 (Tel: 4143523100)

👤

Provider Name / Credentials Updated July 09, 2013

Recorded as JAMES LARSON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2013

Surgery (License #60324 in WI)

🟢

Initial NPI Registration & Enumeration May 23, 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: 1164632410

Entity Type:

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

Enumeration Date: May 23, 2007

Last Update: June 13, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 735044

Chicago, IL 606735044

Phone: 8003262250

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.